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Avaya 8400B User's Guide

1. DEFINITY Communicationg System G3V2 or later DEFINITY Communications System G3V2 or later Two Wire 8400B Plus Loopback Plug i Data Module or ADU Host Figure D 8 Using the Loop Around Data Test Arrangement in a Network 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Loop Around Data Test Arrangement D 14 Setting Up a Loop Around Data Test Arrangement The Loop Around Data Test Arrangement does not require special switch administration over and above the normal switch administration procedure for the 8400B Plus Data Module If the Loop Around Data Test Arrangement is being used to test modem pools see Figure D 7 separate 8400B Plus Data Modules must be set up for each modem pool group to be tested Separate telephone numbers should be administered for the Loop Around Data Test Arrangements used for modem pool testing The 8400B Plus Data Module must be connected to the PBX and powered up prior to using it in the Loop Around Data Test Arrangement Connect an asynchronous data terminal to the 8400B Plus Data Module using the standard EIA Connector cord and supplied M9 F25 Adapter The speed of the terminal should be set as indicated in Table D 1 Table D 1 Setting Data Terminal Speed Access Set Terminal Data Rate To Direct 19200 bps Through a
2. Seven installation options are determined by the value entered in S register S24 The factory default settings of these installation options are correct for the majority of applications Check the default values listed in Table 2 1 to determine whether you need to make any changes gt NOTE Changes to these installation options will not affect the factory default configuration Conversely loading the factory default configuration using the AT amp F command will not affect these installation options For additional information on the factory default configuration refer to With Telephone This option is set by default for Yes This permits operation with an associated voice terminal and enables simultaneous data and voice calls over the same line from the PBX When the 8400B Plus Data Module is optioned for operation with a telephone it must be connected to a two wire DCP voice terminal Data service is provided directly from the 8400B Plus Data Module and any data features that the voice terminal offers cannot be used Setting this option to No permits the 8400B Plus Data Module to offer only data service between a terminal device and a remote system gt NOTE If the With Telephone option is selected a telephone must be connected to successfully complete a data call If a telephone is not connected no data calls can be made If the telephone is disconnected during an active data call the data call will also be disconnecte
3. Label Description Comments See Also In the example the results described under argument value 2 are implemented Regardless of which argument is used the 8400B Plus Data Module will wait until the call is completed or the time set in S register S7 expires All arguments do change the appropriate bits in S register S22 and affect the result codes returned The Q command on page A 15 the v command on page A 18 S register S22 on page C 27 and the result codes on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set November 1996 A 21 Table A 1 Accepted AT Command Labels Label Description Command Z Function Reset the 8400B Plus Data Module and recall a stored profile Type immediate Arguments No argument or an argument of 0 recalls the configuration profile stored in location 0 an argument of 1 recalls the configuration profile stored in location 1 S Register none Example ATZ1 Comments In the example the z command causes the 8400B Plus Data Module to reset and then loads the configuration profile stored in location 1 into the active location See Also Configuration Parameters jon page 3 7 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 22 Table A 1 Accepted AT Command Labels Label Description Command amp C Function Data Carrier Detect DCD options Type configuration Arguments The amp C comma
4. 1 lt vil 1x iii 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Contents 3 Configuration and Operation 3 1 Operating Modes 3 1 a Issuing Commands 3 2 a Configuration Parameters 3 7 a Data Operation 3 10 Voice Operations 3 18 4 Troubleshooting 4 1 a How to Use This Chapter 4 1 A AT Command Set A 1 B Dial Modifiers B 1 C S Registers C 1 D Isolating Problems Using Loopback Data Tests D 1 a Data Loopback Test D 1 a Local Loopback Test D 3 a Local Loopback Test with Self Test D 5 a Remote Loopback Test D 7 a Remote Loopback Test with Self Test D 9 a Loop Around Data Test Arrangement D 11 E Quick Reference Summaries E 1 GL Glossary GL 1 IN Index IN 1 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document Purpose v About This Document Purpose The purpose of this guide is to provide information for installing operating testing and troubleshooting the 8400B Plus Data Module Organization of This Guide The following paragraphs summarize the chapters and appendices contained in this guide a Chapter 1 Introduction discusses the basic operating features of the 8400B Plus Data Module and describes the external indicators and connectors a Chapter 2 Installation describes the hardware and software required for installing the 84
5. 250 ms off andthe lost telephone and the PHONE jack on the green LED is communications 8400B Plus Data Module inverted winking with the telephone 750 ms off 250 ms on No dial tone is heard Incorrect option Change the With Telephone option to when the telephone settings Yes handset is lifted All call appearance LEDs on the telephone are off Issue 2 November 1996 8400B Plus Data Module User s Guide 555 020 709 Troubleshooting How to Use This Chapter 4 3 Table 4 1 Troubleshooting Guidelines Symptom Problem Solution Call disconnects immediately after an attempt to connect NO CARRIER may be displayed on the local terminal device green LED turns off red LED is on The speed of the far end device is higher than the speed of the local terminal device The far end device is set up for half duplex or synchronous operation Change the speed of the local terminal device to match that of the far end device If the speed of the far end device is not known set the local terminal device to the highest speed available The 8400B Plus Data Module cannot communicate with a far end device that is operating half duplex or synchronous This problem can be resolved only if the far end device can be reconfigured for full duplex asynchronous operation 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Troubleshooting How to Use This Chapter 4 4 Table 4 1 Tr
6. Turn on Remote Access or Direct Inward System Access DISA Hackers have been known to change the system at 8 00 p m to allow fraudulent calls Then at 3 00 a m they reprogram the system back to its original configuration One company was hit three weekends in a row before it realized what was happening Turn off Call Detail Recording CDR or Station Message Detail Recording SMDR hack your system all weekend then turn it back on before Monday morning This is especially disturbing to managers who 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document Security Issues x are security conscious and check the CDR SMDR reports every morning looking for suspicious activity They will not see records of the calls because CDR SMDR was turned off by the hackers The administrator may notice the absence of CDR SMDR records for evening night and weekend calls made by employees NETCON Data Channels The NETCON Network Control data channels provide internal access to the system management capabilities of your DEFINITY Communications System If the 8400B Plus Data Module is connected to a modem or there is a modem pool your system may be at risk for toll fraud Expert toll hackers will target the administration and maintenance capabilities of your system Once criminals gain access to the administration port they are able to change system features and parameters so that fraudulent calls can be
7. Before you can successfully install the data module you must ascertain which configuration you have Refer to Figure 2 1 on page 2 3 for an illustration of the components included with each configuration 8400B Plus Data Module User s Guide 555 020 709 Installation Selecting the Correct Installation Procedure Issue 2 November 1996 2 3 CONFIGURATIONS United States International 8400B Plus Data Module one 7 foot D8W telephone cord M9 F25 Adapter 400B Adapter DEFINITY TT Adjunct Power Kit one 7 foot containing D6AP 87 cord JS B KS 22911 L2 Power Supply 8400B Plus Data Module two 7 foot D8W telephone cords T M9 F25 Adapter I one power cord MSP 1 Power Supply Kit containing prone orien Une a A Ba ae MSP 1 Power Supply Figure 2 1 Components of the US Configuration and the International Configuration 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting the Correct Installation Procedure ae What You Need To install and operate the 8400B Plus Data Module you will need the following items a an asynchronous data terminal or PC with a terminal emulation program and EIA cord optional a two wire DCP voice terminal with D8W cord Figure 2 2 illustrates a standard US Configuration using a telephone and separate power supply Figure 2 3jillustrates a standard International Configuration
8. Label Description Arguments Continued The T following the D command will be discarded and the string TEXAS will be sent to the PBX as a dial mnemonic the PBX must be administered to recognize this mnemonic as the representation of a number to be dialed gt NOTE Mnemonic dialing is valid for data calls only The PBX may interpret certain nonalphanumeric characters as commands and perform an unexpected action if you did not intend to send the command to the PBX Consult the documentation for your PBX to determine which characters may be interpreted as commands The dial modifier S n where n may be a number from 0 through 3 will cause the 8400B Plus Data Module to send the contents of its respective telephone number storage location to the PBX as the telephone number For details on how to use this feature refer to Storing a Telephone Number jon page 3 11 8400B Plus Data Module User s Guide 555 020 709 AT Command Set Issue 2 November 1996 A 8 Table A 1 Accepted AT Command Labels Label Description Arguments In addition to a telephone number the following Dial Continued Modifiers may be used with the dial command P Pulse used with a dial command to indicate a voice call Must be the first character in the dial string or the stored telephone number T Tone used with the dial command to indicate a data call Must be the first character in the dial string or th
9. and then entering a dial command for the second call Any attempt to dial a second voice call while the first call is being dialed will be ignored Dialing Delay To ensure that dialing does not begin before dial tone is received dialing a voice call will be delayed by the time stored in S register S6 Wait Time Before Blind Dialing and can be set to a maximum value of 255 seconds The factory setting of two seconds for S register S6 is adequate for most calls Dialing Pause A pause for second dial tone is normally required for calls outside the PBX This can be provided by including a comma between the outside line prefix for example 9 and the first digit of the telephone number to be dialed The comma instructs the 8400B Plus Data Module after dialing the prefix number to pause a fixed time before dialing the first digit of the telephone number The pause time is stored in S register s8 Duration of Delay For Comma Dial Modifier and can be set for any value up to a maximum of 255 seconds The factory setting of two seconds is adequate for most applications and should not be changed If added delay is required additional commas can be added to the number 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Voice Operations 3 20 Sample Command Line This section presents a few sample AT command lines for voice dialing along with explanations of the results they will produce
10. different equipment and software preferences or availability only generic titles are given for the manuals If you are using a terminal device other than a PC User s guide for your terminal device You may need information about the configuration and capabilities of your terminal device from that manual during the installation and preliminary operation of the 8400B Plus Data Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document Related Documentation xiv If you are using a PC as your terminal User s guide for Microsoft MS DOS You may need this reference for explanations of commands used by your PC to install configure and run your PC communications package User s guide for your PC communications package You may need this guide for information on how to configure your terminal emulation software to access the 8400B Plus Data Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Important Safety Instructions XV Important Safety Instructions When using your equipment basic safety precautions including the following should always be followed to reduce the risk of fire electric shock and injury to persons Read and understand all instructions Follow all warnings and instructions marked on the product This product can be hazardous if immersed in water To avoid the possibility of electric shock do not use when you are wet I
11. lead must persist before it is acknowledged If the change of state persists for a shorter time than is specified in S register S25 it is ignored Value may be 000 through 255 hundreds of a second 0 01 second The factory default value is 5 0 05 second yes none The amp D command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 32 Table C 1 Labels Used in S Registers Label Description Register S26 Description When the amp RO option is selected this S register Range of Values Storable Comments See Also specifies the delay interval between an OFF to ON transition of RTS and turning ON CTS This pertains to synchronous operation only Value may be 000 through 255 hundredths of a second factory default value is 0 yes This feature is unnecessary in asynchronous only operation The value in S26 may be set or read but is always ignored none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 33 Table C 1 Labels Used in S Registers Label Description Register 827 Description This S register is used to store the value of all bit mapped options bits 0 1 3 transmission mode selection set by amp M and Q commands see comments 0 asynchronous mode default 1 synchronous mode 1 2 synchronous mode 2 3 synchronous mode 3 4 synchronous mode 4 bit 2
12. made In a modem pool or NETCON modem installation this would also permit a hacker to transfer to a NETCON extension get data tone and obtain a login prompt permitting transfer out to make toll calls If the data module or modem must be connected to a NETCON administration port then deny access to any high risk features or endpoints by placing them in restriction groups on the DEFINITY Communications System This restricts their accessibility from the incoming facility or endpoints that could transfer a call Also use Class of Restriction to Class of Restriction COR to COR to restrict stations from calling the NETCON data channels so that only CORs allowed to access the maintenance port are able to do so For example if voice mail extensions have a COR of 9 and extensions assigned to NETCON channels have a COR of 2 ensure that COR 9 does not have access to COR 2 Anyone not authorized to use the NETCON channel should not be able to access it In addition a data module or modem port used for voice mail maintenance or administrative access is often a switch extension It should be restricted in the same manner as the NETCON channel 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document Security Issues XI PBX Security Measures Everyone in your company who uses the telephone system is responsible for system security Users and attendants need to be aware of how to recognize and react
13. package to use Pulse dialing or insert a P as the first digit of the telephone number Dialing begins before the dial tone is heard on a voice call Incorrect blind dial delay Check the value stored in S register S 6 by typing ATS6 nnn system responds with value OK Add 1 second to the above value by typing ATS6 OK and try again nnn 1 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Troubleshooting How to Use This Chapter 4 7 Table 4 1 Troubleshooting Guidelines Symptom Problem Solution Dialing begins Incorrect dialing Insert a comma in the telephone before the second pause number after the 9 digit used for calls dial tone is heard outside the PBX ATDP9 555 1212 If the problem persists insert another comma for a second pause ATDP9 555 1212 and try again Check your PC communications package to make sure the commas are sent to the 8400B Plus Data Module along with the digits The 8400B Plus The comma delay Check your PC communications Data Module does is set to 0 zero package to make sure a comma is a not pause when a valid character Type commais inserted in ATS8 2 ENTER a telephone number for a voice dial call to set the pause to 2 seconds Issue 2 November 1996 8400B Plus Data Module User s Guide 555 020 709 Troubleshooting How to Use This Chapter 4 8 Table 4 1 Troubleshooting Guidelines Symptom Problem S
14. 119 w Table E 7 ASCII Character Set ASCII Value Control Character Key 120 121 122 123 124 125 126 127 DEL 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Glossary GL 1 Glossary A Asynchronous data communications A method of communicating data in which each character a 7 or 8 bit data word is sent or received separately at a selectable data transfer rate and is framed by extra bits preceding and following the character Various error checking methods use the total bit count to determine whether the character received at one end of the data path is the same as the one sent at the other end Also called asynchronous mode this method as opposed to synchronous mode does not use a clock signal to meter data Since the 8400B Plus Data Module operates only in asynchronous mode synchronous mode is not defined in this glossary See also data options AT command set A de facto industry standard set of commands used for configuration and operation of DCE devices or modems The AT Attention command set originated with Hayes Microcomputer Products Inc The Lucent Technologies 8400B Plus Data Module uses a subset of the full AT command set C Command files Files created for or by data communications software running on a PC that can be used to execute a sequence of commands to complete a task such as performing an au
15. CONNECTOR _ the 8400B Plus Data Module and the terminal device INTERFACE a If the communications port on the terminal device is a 9 pin interface use a cord with DB9 male connectors on each end to connect the Data Module to the terminal device Ifthe communications port on the terminal device is a 25 pin interface use a 25 pin EIA 232 D cord plus the supplied M9 F25 Adapter to connect the Data Module to the terminal device 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Introduction Physical Description 1 7 Power Supply Unit A Lucent Technologies power supply unit is shipped with each 8400B Plus Data Module This unit connects to a grounded AC outlet and provides a connection between the PBX wall jack and the 8400B Plus Data Module The power supply unit provides the necessary operating voltages for the 8400B Plus Data Module CAUTION Use the 8400B Plus Data Module only with an approved communication circuit power source CAUTION Make certain that the AC outlet to which you connect the power supply is unswitched for example not controlled by a wall switch or light dimmer Instructions for installing the power supply unit are provided in Hardware Installation on page 2 8 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation About the Terminal Device 2 1 Installation This chapter describes the equipment required for installing th
16. EXAMPLE 1 Dialing a voice call ATD P 9 1 9085551212 ENTER OK In the first line of this example AT is the required command prefix D is the dial command P is the dial modifier required to initiate a voice call 9 represents the access code required to dial a number outside your PBX domain comma is the dial modifier pause required for a second dial tone 1 represents the code required to dial a number outside your area code The remainder of the line is the telephone number EXAMPLE 2 Using the 8400B Plus Data Module as a touch tone generator to dial a voice mail system and log on to retrieve messages ATD P 8000 3452 999 ENTER AT is the required command prefix D is the dial command P is the dial modifier required to initiate a voice call 8000 represents the internal number for accessing the AUDIX voice mail system two commas introduce a double delay while the call is being established 3452 is the extension for the messages you want to receive 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Voice Operations 3 21 one comma introduces a single delay 999 is the password for the above extension At this point you are in your voice mail system ready to send receive etc messages EXAMPLE 3 Using the 8400B Plus Data Module to dial multiple calls AT D T 1 800 624 5123 D P 9 555 1212 AT is the required comm
17. dial a number and it returns the result code BUSY Use the A command to redial the number as often as you wish 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Issuing Commands 3 6 Sample Command Lines This section presents a few sample AT command lines with explanations of the results they will produce EXAMPLE 1 Checking if your terminal is communicating with the 8400B Plus Data Module AT gt NOTE Remember the two characters of the AT command prefix must be typed as either both uppercase or both lowercase That is you can type either at Or AT but At or aT will not work If everything is operating properly the command should appear on the screen as you type it and the 8400B Plus Data Module should respond with OK EXAMPLE 2 Using a time saver A The A command tells the 8400B Plus Data Module to repeat the last command line exactly If you had issued the command to dial a number and the 8400B Plus Data Module returned the message BUSY you could type the A command to try the number again gt NOTE The A command must be the only command on the command line and you do not press to complete the line 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Configuration Parameters 3 7 EXAMPLE 3 Changing data options AT El amp D2 S0 5 This command line is a command sequence that sets up the 8400
18. evaluates the connection between your terminal or PC and the 8400B Plus Data Module With this test you can send data from your keyboard through the computer to the data module The data module then returns the data to your computer screen without sending it over any communications line This allows you to compare the characters on the screen with those you typed If the data does not match troubleshoot your EIA Connector cord and terminal If these are operating correctly your 8400B Plus Data Module may be defective Call the Lucent Technologies Technical Service Center at 1 800 242 2121 gt NOTE Initiating this test disconnects a call if one is in progress Local DTE 8400B Plus ent ae PP Transmitter Characters Received r Receiver IZLO O Figure D 2 Local Loopback Test 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Local Loopback Test D 4 Performing a Local Loopback Test To initiate the test type AT amp TI Type any string of characters Compare the characters on the screen with those you typed If the data does not match troubleshoot your EIA Connector cord and terminal If these are operating correctly your data module may be defective Call the Lucent Technologies Technical Service Center at 1 800 242 2121 This test will continue for the period of time indicated in S regis
19. likely to cause harmful interference in which case the user will be required to correct the interference at his or her own expense Trademarks DEFINITY is a registered trademark of Lucent Technologies Hayes is a registered trademark of Hayes Microcomputer Products Inc Microsoft and MS DOS are registered trademarks of Microsoft Corpora tion Smartmodem is a trademark of Hayes Microcomputer Products Inc Ordering Information Call Lucent Technologies Publications Center Voice 1 800 457 1235 Fax 1 800 457 1764 International Voice 1 317 361 5353 International Fax 1 317 361 5355 Write Lucent Technologies Publications Center P O Box 4100 Crawfordsville IN 47933 Order Document No 555 020 709 Comcode 107893323 Issue 2 November 1996 You can be placed on a Standing Order list for this and other documents you may need Standing Order will enable you to automatically receive updated versions of individual documents or document sets billed to account information that you provide For more information on Standing Orders or to be put on a list to receive future issues of this docu ment please contact the Lucent Technologies Publications Center Disclaimer Intellectual property related to this product including trademarks and registered to AT amp T Corporation has been transferred to Lucent Technologies Incorporated Any references within this text to American Telephone and Telegraph Corporation or AT amp T should be interprete
20. notes for later reference during a telephone conversation 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Introduction Physical Description 1 3 In addition the 8400B Plus Data Module can be used to automatically turn on the speakerphone of the voice terminal when a voice call is dialed from your terminal device Additional features of the 8400B Plus Data Module include the following nonvolatile read write memory for storing installation options two data options profiles and up to four telephone numbers an AT command interface that emulates a Hayes 2400 Smartmodem and supports the following storage of the wait time for carrier detect interval S register S7 voice call origination using the ATDP command automatic speed and parity adjustment even odd mark space or no parity automatic data throughput adjustment power up self test local and remote loopback tests with test duration timers voice terminal powered by the PBX is not affected if AC power is removed from the 8400B Plus Data Module Physical Description The 8400B Plus Data Module is housed in a black casing approximately 5 x 7 75 x 1 5 Its name appears on the underside of the unit The external features of the front and rear panels and the separate power supply units are described in this section 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Introduction Physical Description 1 4
21. or more 8400B Plus Data Modules are set up for auto answer and have the received data lead looped around to the transmit data lead on the data module s EIA interface A user can then dial up and see whether data typed in at the local station is echoed back A typical use for this would be a user who calls the Help Desk with the complaint that he she cannot access a local host The user can be instructed to utilize the Loop Around Data Test Arrangement see Figure D 6 Loop Around Data x Test Arrangement Data Module Terminal PC PBX DCP or or 8400B Plus PC Asynchronous Two Wite Data Unit DEFINITY Communications Loopback System Plug G3V2 or later Host t Data Module or ADU Figure D 6 Local Configuration Using Loop Around Data Test Arrangement 8400B Plus Data Module User s Guide 555 020 709 Isolating Problems Using Loopback Data Tests Loop Around Data Test Arrangement Issue 2 November 1996 D 12 If the user is successful in connecting to the Test Arrangement the data typed in is echoing back then be assured that the user s desktop equipment and connection through the switch are functioning correctly Help Desk personnel can than look elsewhere for the problem saving valuable time in trouble isolation A Loop Around Data Test Arrangement can also be useful for modem pool calls An off premises user havin
22. switched leased line operation set by amp L command see comments 0 switched line default a 1 leased line bits 4 5 synchronous transmit clock set by amp x command see comments O amp Xx0 option default 1 amp X1 option m 2 amp X2 option 3is not used bit 6 protocol for 1200 bps operation set by B command see comments a O CCITT V 22 a Bell 212A default bit 7 not used always set to 0 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 34 Table C 1 Labels Used in S Registers Label Description Range of Values Value may be 00 through FF hexadecimal factory default settings produce a value of 40 hexadecimal Storable yes Comments In the 8400B Plus Data Module bits 2 4 5 and 6 will be set by the appropriate commands However there will be no other effect Bits 0 1 and 3 will always be 0 See Also none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Data Loopback Test D 1 Isolating Problems Using Loopback Data Tests This appendix provides information on how to perform loopback tests to isolate problems involving the 8400B Plus Data Module Data Loopback Test The data loopback test aids the remote user It excludes the local EIA interface and the local data terminal equipment The remote equipment sends a test message that is receiv
23. tenths of a second 1 4 seconds no The delay set by this S register allows the receive line signal to disappear momentarily without causing a disconnect hang up Setting this S register to the maximum value 255 causes the Data Module to ignore receive line signal status and not disconnect the data call if line signal is lost none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 18 Table C 1 Labels Used in S Registers Label Description Register STi Description This S register determines the duration and spacing of Range of Values Storable Comments See Also tones in Dual Tone Multifrequency DTMF dialing Value may be 000 through 255 milliseconds factory default value is 95 milliseconds no This feature is unnecessary in the DCP operating environment of the 8400B Plus Data Module The value in S11 may be set or read but is always ignored none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 19 Table C 1 Labels Used in S Registers Label Description Register S12 Description The value in this S register determines the minimum Range of Values Storable Comments See Also delay required immediately before and after entering the escape sequence guard time It also determines the maximum interval allowed between entering each of the three consecutive characters of the sequenc
24. the 8400B Plus Data Module Some commands modify a specific S register and some commands perform an action based on the current value stored in an S register Whether an S register is modified or read by the current command is explained here A sample command line follows this label to demonstrate how the command may be used An explanation of the example and any other information about the command not provided elsewhere is provided here Additional commands may be typed on the same command line with the command currently under discussion unless noted otherwise Following this label are suggestions on where to look for more information about the current command and a listing of any other commands that may be used with or affect the use of the current command 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 3 Table A 1 Accepted AT Command Labels Label Description Command Function Escape sequence Type immediate Arguments none S Register s2 and 512 Example Comments The purpose of the command is to provide a way to switch the 8400B Plus Data Module from on line or data mode to command mode without disconnecting a data call that is in progress As long as the call is not disconnected you can return to the data mode with the O command This is one of the two commands that does not require the AT prefix A is the other one and it is never followed by pr
25. the use of the current command 8400B Plus Data Module User s Guide 555 020 709 Dial Modifiers Issue 2 November 1996 B 3 Table B 1 Dial Modifiers Label Description Dial Modifier Function S Register Example Comments See Also P Request to make a voice call S6 ATDP9 9570000 The purpose of the P dial modifier is to signal the 8400B Plus Data Module to dial the number that follows as a voice call When entered immediately after the D in a dial command and or as the first character in a stored number the 8400B Plus Data Module will place a voice call When the P is omitted or the T is used the 8400B Plus Data Module will place a data call When the P is entered after the D and a stored number is dialed a voice call is made even if the first character of a stored number is the T dial modifier The blind dial S register s6 is used to delay between going off hook and dialing the first digit Voice Operations on page 3 18 and S register 56 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Dial Modifiers November 1996 B 4 Table B 1 Dial Modifiers Label Description Dial Modifier S n Function Dial the number stored in location n where n has a value 0 3 S Register none Example ATDS 0 Comments The S n dial modifier allows the 8400B Plus Data Module to dial a number previously stored with the Zn command In the above example the number stored in locat
26. three digit number as required but will always be displayed as a three digit number for example you type the command ATS0 3 to set automatic answer feature to answer an incoming call on the third ring and then type the AT amp V command to verify the value which is displayed as S00 003 The V command which displays the contents of all S registers presents the contents of bit mapped registers as two hexadecimal digits followed by an uppercase letter H for example assuming that S register S14 contains the value AA hexadecimal the AT amp V command displays S14 AAH A yes after this label indicates that the contents of this S register will be written when the current configuration profile is saved to one of the two configuration profile storage locations A no here indicates that the contents of the S register will not be written to storage gt NOTE Any changes to nonstorable S registers are lost when power is removed from the Data Module however the amp Y command can be set to load a specific stored configuration profile at start up and the values set by AT command arguments in the recalled profile will be placed into effect 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 6 Table C 1 Labels Used in S Registers Label Description Comments Additional information about the S register is presented following this label See Also Following this label are references to oth
27. which the 8400B Plus Data Module supports only data services T Terminal mode Of PC communications packages the operating mode of the software in which a PC is emulating a data terminal In this operating mode the user may be communicating with either the data module or a remote device such as a host computer See also stand alone mode andjon line mode 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Index IN 1 Index Symbols A ASCII character 8400B Plus Data Module User s Guide 555 020 709 Index AT commands continued V3 4 4 9 JA 18 X 3 4 4 9 A 19 o Z 3 9 3 14JA21 SS SSS SE auto dialer software 2 21 Pel e a automatic answering B blind dialing delay interval 3 1903 KS ye busyout feature disable enable C character command acknowledgement 3 4 command files 2 21 command lines data calls 8215 samples 8 6 voice dialing 3 20 0 O configuration factory default 2 12JA 24JE 8 __ S options 2 1 parameters 3 7 profiles 2 21 3 7 A 28 A 29 A 30 connecting 8400B Plus Data Module to power supply 2 10 8400B Plus Data Module to telephone 2 411 sd connectors EIA connector interface 1 6 0 D8W EIA 232 D Issue 2 November 1996 IN 2 8400B Plus Data Module User s Guide 555 020 709 Index EE D D8W cord connecting usage 1 2 2 8 data bits Data Carrie
28. 00B Plus Data Module and outlines procedures for preparing the 8400B Plus Data Module for operation Chapter 3 Configuration and Operation describes how to issue commands to your 8400B Plus Data Module In addition it describes how to change store and recall configuration parameters and outlines how to create and save custom configuration profiles It also provides some basics on the operation of the 8400B Plus Data Module outlines a typical on line data session and discusses more advanced command usage with example command lines If you are not familiar with the AT 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document Organization of This Guide vi command interface and you are not using your 8400B Plus Data Module with a PC communications package you will need to familiarize yourself with this chapter a Chapter 4 Troubleshooting describes procedures for troubleshooting problems that may be encountered while configuring and operating the 8400B Plus Data Module a Appendix A AT Command Set contains an explanation of each AT command accepted by the 8400B Plus Data Module a Appendix B Dial Modifiers contains an explanation of each Dial Modifier accepted by the 8400B Plus Data Module a Appendix C S Registers contains an explanation of each S register used by the 8400B Plus Data Module a Appendix D Isolating Problems Using Loopback Da
29. 2 November 1996 AT Command Set A 1 AT Command Set This appendix contains an explanation of each AT command accepted by the 8400B Plus Data Module Labels used in the descriptions are defined as follows Table A 1 Accepted AT Command Labels Label Description Command The command is shown as it should be typed The command may be typed in uppercase or lowercase Spaces may be typed between multiple commands on the same command line for readability but the spaces are ignored by the 8400B Plus Data Module Function A brief functional description of the command is provided here Type Type may be immediate or configuration An immediate command causes the 8400B Plus Data Module to perform an action as soon as the command is sent for example go off hook or dial a number A configuration command modifies a configuration parameter during the current session 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set Table A 1 Label November 1996 A 2 Accepted AT Command Labels Description Arguments S Register Example Comments See Also Many commands accept or require a numerical argument Whether an argument is required and the range of acceptable values for the argument is shown here The S registers consist of 28 1 byte memory locations in the data module designated as SO through S27 The S registers hold values for defining the current configuration of
30. Activation to No enter 64 in S register 524 To specify No for two or more options add together the value for each of those options see Table 2 1 and enter the total in S register S24 For example to set With Telephone to No and Disable Data Metering Feature to No enter 17 in S register S24 8400B Plus Data Module User s Guide 555 020 709 Installation Changing Installation Options Table 2 1 Installation Option Defaults and Values Issue 2 November 1996 alla Option Name Default Value To Select No With Telephone Yes 1 US Companding Yes 2 Telephone Provides Dialing Yes 4 Disable Data Metering Feature Yes 16 Immediate Speakerphone Activation Yes 32 Automatic Speakerphone Activation Yes 64 Disable Busyout Feature During Local Yes 128 Loopback Test Total and enter value in S24 gt To adjust the installation options perform the following steps 1 Using Table 2 1 determine the total value to be entered in S register S24 Check the current value of S register S24 by typing ATS24 ENTER If the desired value ascertained in Step 1 does not match the current value ascertained in Step 2 change the value of S register s24 To do so type ATS24 xxx where xxx is the desired value of S register 524 Press ENTER 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation LED Indications 2 18 LED Indications Two LEDs a
31. B Plus Data Module to set the command echo option the DTR option and the automatic answer option The commands set the following parameters AT is the required command prefix m El causes characters entered from the keyboard to be echoed to the screen while in command mode a amp D2 causes the 8400B Plus Data Module to hang up the call when the local terminal turns off DTR m S0 5 causes the 8400B Plus Data Module to enter automatic answer mode and answer incoming calls on the fifth ring Configuration Parameters Values for configuration parameters are selected by using AT commands For a description of all AT commands used by the 8400B Plus Data Module refer to Appendix A Parameter Storage and Retrieval Configuration parameter values include the option values selected by AT commands that require option values and the values stored in the S registers A set of configuration parameter values is called a profile The 8400B Plus Data Module has four configuration profiles at any given time one active two stored and one that permanently contains the factory default values Unsaved changes to configuration parameters remain in effect until they are changed again or until the 8400B Plus Data Module is disconnected from the AC power source Before making or storing any changes or checking changes that you have made you can issue an AT command to view the values that are currently in the active profile and the two stored pr
32. Front Panel The front panel of the 8400B Plus Data Module is shown in Figure 1 1 One red light emitting diode LED and one green LED on the front panel indicate the status of the set during normal operation and the result of self tests when initially powered Figure 1 1 Front Panel of the 8400B Plus Data Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Introduction Physical Description 1 5 Rear Panel The rear panel of the 8400B Plus Data Module is shown in Figure 1 2 and the connectors located on the rear panel are described in Table 1 1 PHONE LINE USE ONLY WITH COMMUNICATION Z POWER CIRCUIT POWER SOURCE FEF oe Es L J Figure 1 2 Rear Panel of the 8400B Plus Data Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Introduction Physical Description November 1996 1 6 Table 1 1 Rear Panel Connector Descriptions Connector Description PHONE This connector accepts one end of the D8W telephone line cord used to connect a two wire voice terminal to the 8400B Plus Data Module LINE This connector accepts one end of the D8W telephone POWER cord that connects between the 8400B Plus Data Module and either a PBX wall jack already powered by a closet supply or a power supply which is connected to the PBX wall jack EIA This unlabeled connector provides an interface between
33. Function S Register The dial modifier is shown as it should be typed The dial modifier may be typed in uppercase or lowercase Spaces may be typed between commands and dial modifiers on the same command line for readability but the spaces are ignored by the 8400B Plus Data Module A brief functional description of the dial modifier is provided here The S registers consist of 28 1 byte memory locations in the data module designated as 50 through S27 The S registers hold values for defining the current configuration of the data module Some commands modify a specific S register and some commands perform an action based on the current value stored in an S register Whether an S register is modified or read by the current command is explained here 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Dial Modifiers November 1996 B 2 Table B 1 Dial Modifiers Label Description Example Comments See Also A sample command line follows this label to demonstrate how the command may be used An explanation of the example and any other information about the command not provided elsewhere is provided here Additional commands may be typed on the same command line with the command currently under discussion unless noted otherwise Following this label are suggestions on where to look for more information about the current command and a listing of any other commands that may be used with or affect
34. G3V2 or later gt NOTE Unless a specific DTE device is intended the words terminal device shall be used throughout this guide to represent any applicable DTE device including a dumb terminal or a PC with an appropriate communications package Features A terminal device is connected to the 8400B Plus Data Module using a standard Electronics Industries Association EIA 232 D Connector cord and if needed the supplied M9 F25 Adapter The M9 F25 Adapter converts a 25 pin interface to a 9 pin interface adhering to the Electronics Industries Association Telecommunications Industry Association EIA TIA 574 standard A Digital Communications Protocol DCP interface using a type D8W modular telephone cord is used to connect the 8400B Plus Data Module to the digital PBX The 8400B Plus Data Module may be optioned for use either with or without a telephone In the stand alone case the 8400B Plus Data Module supports data service only Otherwise the 8400B Plus Data Module provides simultaneous data and voice service The 8400B Plus Data Module works with all DCP voice terminals that support two wire operation such as the 8400 series voice terminals to provide simultaneous data and voice service The voice dial feature allows you to dial a voice call without touching the telephone Depending on your communications package you may also store telephone numbers on a PC and recall them for dialing log phone calls for easy billing and take
35. Lucent Technologies Bell Labs Innovations 8400B Plus Data Module User s Guide 555 020 709 Comcode 107893323 Issue 2 November 1996 Copyright 1996 Lucent Technologies All Rights Reserved Printed in USA Notice While reasonable efforts were made to ensure that the information in this document was complete and accurate at the time of printing Lucent Technologies can assume no responsibility for any errors Changes and corrections to the information contained in this document may be incorporated into future reissues Your Responsibility for Your System s Secu rity Toll fraud is the unauthorized use of your telecom munications system by an unauthorized party for exam ple persons other than your company s employees agents subcontractors or persons working on your com pany s behalf Note that there may be a risk of toll fraud associated with your telecommunications system and if toll fraud occurs it can result in substantial additional charges for your telecommunications services You and your System Manager are responsible for the security of your system such as programming and con figuring your equipment to prevent unauthorized use The System Manager is also responsible for reading all installation instruction and system administration docu ments provided with this product in order to fully under stand the features that can introduce risk of toll fraud and the steps that can be taken to reduce that risk L
36. Q1 Disable display of result codes Sr Set pointer to S register r Sr n Set S register rto value n Sr Display value stored in S register r vo Display short form numeric result codes v1 Display verbose form text result codes X0 Enables features of result codes 0 4 X1 Enables features of result codes 0 5 10 12 14 X2 Enables features of result codes 0 5 10 12 14 X3 Enables features of result codes 0 5 7 10 12 14 X4 Enables features of result codes 0 5 7 10 12 14 z0 Reset and recall stored configuration profile 0 Z1 Reset and recall stored configuration profile 1 amp CO Maintain DCD circuit in ON state amp C1 DCD circuit operates according to EIA TIA 574 specification 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 3 Table E 1 AT Command Set Command Description amp DO Ignore DTR signal amp D1 Return to command mode if ON OFF transition of DTR is detected active call is not disconnected amp D2 Return to command mode if ON OFF transition of DTR is detected active call is disconnected amp D3 Perform reset if ON OFF transition of DTR is detected active call is disconnected amp F Recall factory default configuration profile amp S0 Maintain DSR circuit in ON state amp S1 DSR circuit operates according to EIA TIA 574 specification Terminate any test in progress Initiate local loopbac
37. RL 029 GS CTRL 030 RS CTRL 031 US CTRL _ 032 GPACEBAR 033 034 n 035 036 037 038 amp 039 040 041 042 043 044 f 045 046 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 13 Table E 7 ASCII Character Set ASCII Control Value Character Key 048 049 050 051 052 053 054 055 056 057 058 059 060 lt 061 062 gt 063 064 065 066 067 068 069 070 071 WO CO NY OY By W NH FY J ol aj w P t Q 4 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 14 Table E 7 ASCII Character Set ASCII Control Value Character Key 072 H 073 I 074 075 K 076 L 077 078 079 O 080 P 081 082 083 084 085 086 087 088 089 090 N K X lt G H wm Q o 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 15 Table E 7 ASCII Character Set ASCII Control Value Character Key 096 097 a 098 b 099 G 100 d 101 e 102 f 103 g 104 h 105 i 106 j 107 k 108 T 109 m 110 n 111 o 112 p 113 q 114 r 115 s 116 117 u 118 v
38. S register S8 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Dial Modifiers November 1996 B 7 Table B 1 Dial Modifiers Label Description Dial Modifier Function S Register Example Comments See Also semicolon Terminates the dial string and returns to command state after processing a dial command none AT DT 9 1 800 624 5123 DP 555 1212 O The semicolon returns you to a command state and allows you to enter more commands In the above example a data call is made and the semicolon returns you to the command mode A voice call is then made and the o sends you back to the data connection When the dial command specifies a stored number to be dialed the semicolon can be entered after the s n command If a semicolon is omitted the call is made but all commands following the dial command will be ignored if the call was a data call If the dial command for a voice call is the last command on the command line the semicolon dial modifier may be omitted the 8400B Plus Data Module will still return to the command mode none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 1 S Registers This appendix contains an explanation of each S register used by the 8400B Plus Data Module There are a total of 28 S registers Twenty two S registers are used to store configuration parameters one is used to store installation optio
39. S21 are set according to the option used with the amp D command Example AT amp D2 Comments In the example the DTR circuit is set according to the EIA TIA 574 standard This would be an appropriate setting for when the 8400B Plus Data Module is used at a remote site as a dedicated device to automatically answer an incoming data call If the change of state for the DTR circuit persists for a time shorter than specified in S25 the change is ignored See Also S register 521 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 24 Table A 1 Accepted AT Command Labels Label Description Command amp F Function Load the factory default configuration Type immediate Arguments none S Register none Example AT amp F Comments The factory default configuration values are permanently stored in ROM and can be recalled at any time No reset or self test is initiated by issuing the amp F command The amp F command does not recall the factory default installation options established by the value of S register S24 See Also Configuration Parameters on page 3 7 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 25 Table A 1 Accepted AT Command Labels Label Description Command amp S Function Data Set Ready DSR options Type configuration Arguments The S command accepts one of two arguments as follows 0 or n
40. T is used to specify a data call and P is used to specify a voice call 2 Refer to the explanation of hexadecimal values under the Range of Values heading on page C 4 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 21 Table C 1 Labels Used in S Registers Label Description See Also Command Acknowledgment on page 3 4 the A command on page A 4 the D command on page A 6 the command on page A 15 land the v command on Register S15 not used 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 22 Table C 1 Labels Used in S Registers Label Description Register S16 Description This S register stores test function status in a Range of Values Storable bit mapped format as follows bit 0 local digital loop test 0 test disabled 1 test in progress default 0 see the amp T1 and amp T2 commands bit 1 not used always set to 0 bit 2 local data loop test 0 disabled 1 test in progress default 0 see amp T3 command bit 3 status bit for remote digital loop initiated by remote system 0 off 1 in progress default 0 see amp T4 and amp T5 commands bit 4 remote digital loop 0 disabled 1 in progress default 0 see amp T6 command bit 5 remote digital loop with self test 0 disabled 1 in progress default 0 see T7 comman
41. Typically for a display terminal operating in full duplex mode use the 1 argument if you wish to see the AT commands on the screen as you type them If your display terminal is operating in half duplex mode use the 0 argument the 1 argument would cause characters typed to appear on the screen like tthhiiss See Also S Register 514 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 12 Table A 1 Accepted AT Command Labels Label Description Command H Function Switch hook control Type immediate Arguments No argument or an argument of 0 causes the 8400B Plus Data Module to go on hook S Register none Example ATH Comments The H command with no argument can be used during a data call to cause the 8400B Plus Data Module to go on hook hang up after using the escape sequence to return to command mode An argument of 0 produces the same result and an argument of 1 is accepted but causes no action See Also 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 13 Table A 1 Accepted AT Command Labels Label Description Command I Function Request product code or ROM checksum Type immediate Arguments The I command accepts one of three arguments as follows 0 The 8400B Plus Data Module displays the decimal number 249 followed by a carriage return and line feed 1 The 8400B Plus Data Module displays the ROM che
42. YO selects the configuration stored in data profile storage location 0 to become the current configuration each time the 8400B Plus Data Module is powered on Refer to Appendix Alfor a complete description of each command used in this section Reset and Configuration Recall Two commands are available for recovering from various data communications problems You can reset the 8400B Plus Data Module and recall one of two stored profiles as the current configuration The form for this command is as follows ATZn ENTER where n is the number 0 or 1 representing the configuration profile to be recalled A second command allows you to recall the factory default configuration if for instance you lose track of the active configuration changes you have made and need to start over The form for this command is as follows ATGF ENTER 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 15 Sample Command Lines This section presents a few sample AT command lines for data calls along with explanations of the results they will produce EXAMPLE 1 Dialing a data call AT D T 18006245123 CONNECT 2400 In the first line of this example AT is the required command prefix Dis the dial command Tis the dial modifier for a data call This is not required and may be omitted The remainder of the line is the telephone number gt NOTE The spaces betwe
43. a remote site as a dedicated service device to answer incoming data calls send data to a remote end device and then hang up For example you may wish to provide access to a printer from a remote site The following is a typical command line you might use for setting up this operation Spaces are used here for readability but are not required AT amp F amp Cl amp D2 EO Q1 SO 1 amp WO amp YO ENTER Following the AT prefix the commands in the example produce the following results F resets the options to the factory defaults amp C1 sets the Data Carrier Detect DCD circuit of the 8400B Plus Data Module to operate according to the EIA standard amp D2 sets the 8400B Plus Data Module to go on hook when an on to off transition is detected on the Data Terminal Ready DTR input disconnecting the call EO turns off the echo 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 14 1 turns off the result codes that would be the normal responses of the 8400B Plus Data Module to commands that it receives For example the CONNECT message that is displayed when answering a call would interfere with the printer S0 1 turns on the automatic answer feature and causes the 8400B Plus Data Module to answer an incoming data call on the first ring m WO causes the current configuration to be stored in data profile storage location 0 m
44. amp Y0 008 00H 40H amp PO OBH amp P0 OBH S06 002 S07 S18 000 S21 amp Q0 amp RO amp S0 S24 00H S25 amp Q0 amp RO amp s0 S24 00H S25 060 00H amp X0 005 amp X0 005 Figure C 1 Active and Stored Configuration Data To look at the contents on just one register use the command Smm where mm is the number of the S register The data module will return three digits representing the decimal value of the specified S register To change the value in any one S register directly use the command Smm nnn where mmis the number of the S register and nnnis the number you wish to place in the register The following dialog illustrates the use of the s command to read and change the value contained in an S register ATS18 055 OK ATS18 120 OK 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 3 The first command requests the value stored in register S18 The 8400B Plus Data Module returns a 3 digit decimal value of 055 followed by OK The next command changes the value in register S18 to 120 and the data module responds with OK You could enter the first command a second time to verify that the value was changed correctly More information is provided in the following definitions of the labels used in the S register descriptions 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 4 Table C 1 Labels Used i
45. and Operation Issuing Commands 3 2 will execute the action requested A valid command with an invalid parameter will produce the ERROR result code An invalid command will also produce the ERROR result code and is ignored In data mode everything you type is passed as data without interpretation by the 8400B Plus Data Module except the escape sequence The escape sequence described in later paragraphs provides a way of switching the 8400B Plus Data Module back to command mode without disconnecting a data call Issuing Commands The following paragraphs describe the elements of a command line and how the 8400B Plus Data Module responds to a command line when it is issued AT Command Line Prefix All command lines issued to the 8400B Plus Data Module must begin with the letters AT or at with the exception of the A command which is discussed later The command line prefix must be entered as either both uppercase or both lowercase letters that is at and AT will work but aT and At will not The letters AT also known as the ATtention command alerts the 8400B Plus Data Module to expect one or more commands to follow The 8400B Plus Data Module examines the command line prefix to determine the communications rate of the terminal equipment as well as its parity setting The 8400B Plus Data Module automatically adjusts the speed and parity settings and uses the setting until another AT command is received or until the 8400B Plus Data Modul
46. and prefix D is the dial command T is the dial modifier required to initiate a data call 1 represents the code required to dial a number outside your area code 800 624 5123 is the remainder of the data call telephone number semicolon returns you to the command mode D is the dial command P is the dial modifier required to initiate a voice call 9 represents the access code required to dial a number outside your PBX domain one comma introduces a single delay 555 1212 is the voice call telephone number 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Troubleshooting How to Use This Chapter 4 1 Troubleshooting This chapter describes procedures for troubleshooting most problems that may be encountered while installing configuring and operating the 8400B Plus Data Module How to Use This Chapter Use the following guidelines to isolate and correct a problem 1 Scan through the Symptom column in the chart to find the description that best describes the problem situation you have encountered 2 Inthe Problem column one or more problem descriptions is offered Select the one that best describes the observable condition or try each suggestion in turn until the trouble has been corrected 3 Perform the task described in the Solution column In cases where you are directed to type an AT command to correct the problem and the 8400B Plus Data Module is in the da
47. ands to the 8400B Plus Data Module As long as the data call has not been disconnected you can use the ATO command to return to data mode One other condition will cause the 8400B Plus Data Module to switch from data mode to command mode If the PBX senses that the remote device has disconnected it will disconnect the call to the 8400B Plus Data Module The 8400B Plus Data Module will turn off the green LED turn on the red LED if it is not already on display a result code message on your terminal screen such as NO CARRIER and then return to command mode The escape sequence and all other commands discussed in this section are explained in Appendix A Dialing a Data Call The dial command is issued to the 8400B Plus Data Module in the form ATDTnnn n where Dis the dial command T is the dial modifier see Appendix B for more information on dial modifiers and nnn n represents the number you wish to dial The command line can hold up to 40 characters so you can usually precede the D with other commands on the same line 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 11 The following is an example ATDT74768 In the example the command will cause the 8400B Plus Data Module to go off hook dial the number and then wait the period of time specified in S register 7 for the call to be completed If the call cannot be completed the 8400B Plus Data Modu
48. call and a ring cycle RI lead is generated internally The register is incremented after each ring cycle S register 50 on page C 7 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 9 Table C 1 Labels Used in S Registers Label Description Register 82 Description This S register stores the ASCII value of the escape Range of Values Storable Comments See Also sequence character Value may be 000 through 127 see comments factory default setting is 043 the ASCII code for a plus sign no Setting the value greater than 127 will disable escape sequence detection in which case the escape sequence cannot be used to move to command mode The operation of the Data Terminal Ready DTR circuit set by the amp D command can still be used to move to command mode without disconnecting the call From Data Mode to Command Mode and BackK lon page 3 10 and the amp D command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 10 Table C 1 Labels Used in S Registers Label Description Register 3 Description This S register stores the ASCII value of the carriage return character Range of Values Value may be 000 through 127 factory default setting is 013 usually by the ENTER or RETURN key or the key combination from a data terminal Storable no Comments This character serves as the command
49. carriage return If you make an error while typing a command line you can send the backspace character usually issued by pressing the key as often as needed to delete the error However as soon as you enter the AT prefix the 8400B Plus Data Module immediately reads it and sets up for a command to follow Hence 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Issuing Commands 3 4 you cannot delete the AT prefix once it is typed The factory default backspace character is an ASCII backspace Once you complete a command line by pressing ENTER the 8400B Plus Data Module will try to interpret all characters on the command line as valid commands If the 8400B Plus Data Module finds a character that is not a valid command it will ignore the erroneous character and any remaining characters on the command line Command Acknowledgment Commands are acted upon immediately and are acknowledged by a result code Most commands are acknowledged by OK This assumes that the result codes are configured in the verbose form command V1 is in effect and are enabled Q0 in effect Another option for configuring result codes is the short or numeric form These result codes are set by the vo command which would produce a 0 zero instead of the message OK A final option for result codes is to disable them 91 Refer to Appendix Alfor descriptions of the v and commands Several other resu
50. cksum as two four digit hexadecimal values followed by a carriage return and line feed 2 The 8400B Plus Data Module displays OK followed by a carriage return and line feed S Register none Example ATIO Comments In the example the 8400B Plus Data Module will return its product ID code as the value 249 See Also none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 14 Table A 1 Accepted AT Command Labels Label Description Command O Function Return to the on line mode Type immediate Arguments No argument or an argument of 0 zero causes the 8400B Plus Data Module to return from command mode to on line mode if a data call is still active S Register none Example ATO Comments The 8400B Plus Data Module accepts an argument of 1 but treats it the same as no argument or an argument of 0 See Also From Data Mode to Command Mode and BackK lon page 3 10 and the command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 15 Table A 1 Accepted AT Command Labels Label Description Command Q Function Turn the display of result codes on or off Type configuration Arguments No argument or an argument of 0 enables the display of result codes an argument of 1 disables the display of result codes The factory default is result codes enable S Register Bit 2 of S14 is set according to the argumen
51. configuring the 8400B Plus Data Module automatically When using a PC communications package with the 8400B Plus Data Module there are two items to note 1 The PC communications package should be configured to work with a Hayes Smartmodem 2400 or Hayes compatible modem 2 The dialing method of the PC communications package should be set to Tone for data calls and Pulse for voice calls Many PC communications packages provide the possibility of writing script or command files These files can then be run to execute a sequence of commands that will configure your system or even provide an automatic log on procedure for a particular remote end device Review the documentation for your PC and PC communications package Once you understand the PC communications package well enough you will be ready to begin using it with the 8400B Plus Data Module Since there is such a diversity of functionality among the many PC communications packages available refer to the user s manual of the package for specific details about its use For more information about the AT interface and operation of the 8400B Plus Data Module refer to Chapter 3 If You Are Using a Dedicated Terminal When a dedicated terminal is used with an 8400B Plus Data Module you must control the operation of the 8400B Plus Data Module In a way you are acting as a PC communication package To do this you must understand the operation of the 8400B Plus Data Module Refer to C
52. cters typed on the keyboard are not displayed on the screen of the terminal device If the red LED flashes off but the green LED does not flash on when characters are typed the command echo option is turned off If the red and green LEDs do not flash when keys on the terminal are pressed the terminal is not working or the EIA Connector cord or adapter are not connected or are improperly wired The red LED flashes off and the green LED flashes on but certain EIA signal leads are turned off Press to start a new command line and then type ATE to turn on the command echo Connect or replace the EIA Connector cord and or adapter between the 8400B Plus Data Module and the local terminal device If the problem persists verify that the terminal is functioning correctly Press to start a new command line then type AT amp SO amp CO to ensure that the DSR and RLSD EIA signal leads are turned on An AT prefix is typed and it is displayed as AATT The terminal is optioned to display each typed character and the 8400B Plus Data Module s command echo option is enabled Disable the command echo by entering ATEO As you type the ATEO command AATTEEOO will appear and the 8400B Plus Data Module will send the response code OK to your screen The next command that you enter should appear in single characters 8400B Plus Data Module User s Guide 555 020 709 Issue
53. d gt NOTE A change in the setting of this option becomes effective when the 8400B Plus Data Module is powered on after being powered off The setting of this option cannot be changed arbitrarily It must agree with how the PBX 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Installation Options 2 13 line is administered Check with your telecommunications manager to administer the line for simultaneous voice and data or data service required US Companding This option is set by default for Yes Leaving this default permits the 8400B Plus Data Module to digitize voice signals according to the Mu Law standards commonly used within the United States Setting this option to No requires the 8400B Plus Data Module to digitize voice signals according to the A Law standards commonly used outside of the United States gt NOTE A change in the setting of this option becomes effective immediately Telephone Provides Dialing This option is set by default for Yes Leaving this default permits the 8400B Plus Data Module to use the telephone s DTMF dialing circuits to perform the dialing function This setting also permits the telephone to annunciate the touch tones Setting this option to No requires the 8400B Plus Data Module to perform the dialing function using its internal DTMF dialing circuit The No setting does not allow touch tones to be annunciated gt NOTE A change in the
54. d bit 6 local digital loop with self test 0 disabled 1 in progress default 0 see amp T8 command bit 7 not used always set to 0 Value may be 00 through FF hexadecimal factory default settings produce a value of AA see comment 1 no 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 23 Table C 1 Labels Used in S Registers Label Description Comments 1 Only one of the tests may be in progress at any time The TO command terminates any locally initiated test in progress and sets S register S16 to 00 2 Refer to the explanation of hexadecimal values under the Range of Values heading on page C 4 See Also The amp T command on and Appendix D for information about performing loopback tests Register S17 not used 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 24 Table C 1 Labels Used in S Registers Label Description Register s18 Description The value in this S register establishes the duration of Range of Values Storable Comments See Also diagnostic tests initiated by the amp T command Value may be 000 through 255 seconds The factory default value is 0 yes Any locally initialized test in progress is automatically terminated when the time specified in S register 18 has elapsed If S register S18 is set to 0 a test initiated by the T command must be t
55. d as references to Lucent Technologies Incorporated The exception is cross references to books published prior to December 31 1996 which retain their original AT amp T titles Heritage Statement Lucent Technologies formed as a result of AT amp T s planned restructuring designs builds and delivers a wide range of public and private networks communication systems and software consumer and busi ness telephone systems and microelectronics compo nents The world renowned Bell Laboratories is the research and development arm for the company Acknowledgment This document was prepared by the Product Documentation Development group Lucent Tech nologies Middletown NJ 8400B Plus Data Module User s Guide 555 020 709 Contents Contents Contents About This Document Purpose Organization of This Guide How to Order Documentation How to Comment on This Document Conventions Used Security Issues Lucent Technologies Fraud Intervention Related Documentation Important Safety Instructions 1 Introduction Overview Features Physical Description 2 Installation About the Terminal Device Selecting the Correct Installation Procedure Hardware Installation Initial System Checks Installation Options Changing Installation Options LED Indications Selecting PC Communications Packages Issue 2 November 1996 I lt lt i lt
56. d in this manual If you are not sure of the type of power supply being used contact a qualified service person 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Important Safety Instructions xvi Do not allow anything to rest on the power cord Do not locate this product where the cord will be abused by persons walking on it a Do not overload wall outlets and extension cords as this can result in the risk of fire or electric shock Disconnect the cords on this product and refer servicing to qualified service personnel under the following conditions a b C d f When the power supply cord or plug is damaged or frayed If liquid has been spilled into the product If the product has been exposed to rain or water Ifthe product does not operate normally by following the operating instructions If the product has been dropped or the housing has been damaged If the product exhibits a distinct change in performance A SAVE THESE INSTRUCTIONS When you see this symbol on the product refer to the instruction booklet packed with the product for more information before proceeding 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Introduction Overview 1 1 Introduction This chapter discusses the basic operating features of the 8400B Plus Data Module and describes the external indicators and connectors The 8400B Plus Data Module is a new version
57. d to switch the ignored the H 8400B Plus Data Module to command hang up mode an adequate pause before and command after the is allowed before issuing the H command In escaping to command mode with the result codes enabled the 8400B Plus Data Module must be given time to return OK or 0 before it is ready to accept a command The speakerphone Incorrect option Change the Automatic Speakerphone does not turn on settings Activation option to Yes when a voice call is dialed The speakerphone Incorrect option Change the Immediate Speakerphone turns on when a settings Activation option to Yes voice call is dialed but dial tone and touch tones are not heard Issue 2 November 1996 8400B Plus Data Module User s Guide 555 020 709 Troubleshooting How to Use This Chapter 4 6 Table 4 1 Troubleshooting Guidelines Symptom Problem Solution The speakerphone turns on when a voice call is dialed and a dial tone is heard but touch tones are not heard Incorrect option settings Change the Telephone Provides Dialing option to Yes Dial tone and voice sounds are distorted Incorrect option settings Change the US Companding option to Yes to enable Mu Law companding within the US or to No to enable A Law companding outside of the US Data calls are dialed instead of voice calls Incorrect dial modifier is used with the ATD dial command Change the PC communications
58. e Value may be 000 through 255 fiftieths 0 02 of a second factory default value is 50 fiftieths of a second 1 second no If the value in this S register is set to 0 timing is not a factor in escape sequence recognition From Data Mode to Command Mode and Back on page 3 10 and the command on Register S13 not used 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 20 Table C 1 Labels Used in S Registers Label Description Register S14 Description This S register is used to store the status of bit mapped Range of Values Storable Comments options as follows bit 0 not used always set to 0 bit 1 0 command echo disabled 1 command echo enabled default 1 see E command bit 2 0 result codes enabled 1 result codes disabled default 0 see Q command bit 3 0 short result codes 1 verbose result codes default 1 see v command bit 4 not used always set to 0 bit 5 0 tone 1 dial pulse default 1 see comment 1 bit 6 not used always set to 0 bit 7 0 answer mode 1 originate mode default 1 see A and D commands Value may be 00 through FF hexadecimal factory default settings produce a value of AA see comment 2 yes 1 In the DCP operating environment of the 8400B Plus Data Module tone and pulse dialing have no meaning For the 8400B Plus Data Module
59. e 8400B Plus Data Module and outlines procedures for preparing it for operation If you are using the 8400B Plus Data Module with a PC you will be ready to use a PC communications package after reading this chapter If you are using the 8400B Plus Data Module with a terminal printer or host or you want to learn about the AT interface and operations read this chapter and then continue to Chapter 3 About the Terminal Device The 8400B Plus Data Module operates with any asynchronous data terminal device that has either an EIA 232 D or RS 232 C interface If you are using a PC as your terminal you will need a suitable PC communications package EIA Connector cord and PC communications package requirements are described in this chapter You must set the appropriate configuration options before connecting the 8400B Plus Data Module to a printer or plotter To do this connect a data terminal or PC to the EIA Connector Interface on the 8400B Plus Data Module change and store the necessary configuration parameters remove the data terminal or PC and then connect the printer or plotter The configuration parameters used for this type of operation are described in Remote Site Use on page 3 13 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting the Correct Installation Procedure 2 2 Selecting the Correct Installation Procedure The 8400B Plus Data Module is available in two configurations
60. e Installation 2 8 The most common EIA 232 D Connector cords are supplied with a male connector at both ends If you have this type of cord and the EIA 232 D port on your terminal device is a male connector you can use an adapter commonly referred to as a gender changer Otherwise obtain an EIA Connector cord that has the appropriate gender connector at each end to fit your application needs Selecting DCP Cords One or more 7 foot D8W cords are supplied with your 8400B Plus Data Module Use the supplied cord or obtain the appropriate length D8W telephone cord If you are using the With Telephone option see With Telephone on page 2 12 you will need the D8W telephone cord already supplied with your telephone to connect between the 8400B Plus Data Module and your telephone Hardware Installation This section outlines procedures for connecting the EIA Connector cord and M9 F25 Adapter installing the power supply and connecting the D8W telephone cord s CAUTION To avoid possible shock hazards and damage to the equipment you should perform the installation steps in the order given Connecting the 8400B Plus Data Module to the Terminal Use the EIA Connector cord and if necessary the M9 F25 Adapter to connect the 8400B Plus Data Module to the terminal device 1 Connect one end of the Connector cord into the communications port on the terminal device Tighten all retaining screws 8400B Plus Data Module Use
61. e connected the user checks to see if characters entered from the keyboard are successfully echoed back If the terminal PC is set for full duplex and the user types in The cat then The cat is echoed back in a successful test If the terminal PC is set for half duplex then characters will be duplicated For example if set for half duplex local echo and the user slowly types in The cat then TThhee ccaatt is echoed back in a successful test 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 1 Quick Reference Summaries This appendix contains quick reference summaries for the following data ar Command Set Result Codes 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 2 Table E 1 AT Command Set Command Description AT Command prefix precedes most commands A Answer an incoming call A Repeat the last command line D Enter originate mode and dial number that follows EO Inhibit command state echo El Enable command state echo HO Go on hook hang up H1 Accepted but causes no action I0 Returns decimal number 249 to data terminal Li Returns ROM checksum as two 4 digit hexadecimal numbers I2 Returns OK 0 Return to on line mode Q0 Enable display of result codes
62. e is powered down Formats supported by the 8400B Plus Data Module are shown in Table 3 1 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Issuing Commands 3 3 Table 3 1 Character Formats Data Bits Parity Stop Bits T even or odd 1 7 mark or space 1 8 none 1 All of these parameters may be changed on the local terminal device as needed The 8400B Plus Data Module will adjust to match the speed and parity of the local terminal device when it receives an AT command If you connect to a remote system and your screen shows a series of nonsense characters also referred to as garbage chances are that you need to adjust the speed or parity on the terminal to match the settings of the 8400B Plus Data Module which has adjusted its speed to match the remote system Command Buffer As you type in a command each character is saved in a 40 character buffer The AT prefix spaces and the at the end of the command line are not saved and do not add to the character count If you try to type more than 40 countable characters on one line the result code ERROR will be displayed on your terminal screen and the command line will be ignored Command Line Set Up A command line begins with the AT prefix includes one or more commands and finishes with a line termination character usually issued by pressing the key The factory default line termination character is an ASCII
63. e stored telephone number A data call will be dialed if neither the P or T dial modifier is used Comma may be used to provide a dialing pause for second dial tone For voice calls the pause interval is controlled by the setting of S register s8 For data calls the delay is controlled by the PBX Semicolon used to delimit a dial command from other commands that follow it on the same command line The semicolon dial modifier causes the 8400B Plus Data Module to remain in command mode after the call is dialed S n used to dial a telephone number stored with the amp Zn x command 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 9 Table A 1 Accepted AT Command Labels Label Description S Register Bit 7 of S14 is set to 1 Example 1 ATDP 9 1 201 555 1212 Example 2 AT amp Z1 Texas ATDP 9 1 201 555 1212 DTS 1 Comments Dial modifiers can be combined in a dial command to perform a series of operations In example 1 the P dial modifier is used to indicate that it is a voice call and the comma is used to provide a pause for a second dial tone gt NOTE The 8400B Plus Data Module always returns to the command mode after dialing a voice call In example 2 the mnemonic dial string Texas is first stored in nonvolatile memory location 1 and then used in conjunction with the s 1 dial modifier on the next command line to dial a data call after a voice cal
64. ed at the local 8400B Plus Data Module The test message is then looped back to the remote endpoint This allows the remote user to verify that the remote endpoint and communication link are operating correctly gt NOTE A data call must be in progress for the data loopback test 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Data Loopback Test D 2 Remote 8400B Plus s Data Endpoint Remote DTE W Transmitter H Receiver _ Data Received Local DTE T Receiver 4 c LH Transmitter Data Sent H Figure D 1 Data Loopback Test Performing a Data Loopback Test To initiate the test set up a data call and escape to command mode Then type ATET3 The system responds with OK The remote endpoint user types characters which will not appear on your screen and will call you on another line to inform you of the test results This test will continue for the period of time indicated in S register S18 If the remote endpoint user tells you to terminate the test before the period of time indicated in S register S18 type ATETO 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Local Loopback Test D 3 The system responds with the completion signal OK Local Loopback Test This test
65. en the commands and the telephone number are included only for readability and are not required You may also insert hyphens anywhere in the telephone number for increased readability In the second line of this example the 8400B Plus Data Module returns a response indicating that a connection with the remote end device has been successfully completed at 2400 bps EXAMPLE 2 Dialing a data call outside your PBX domain with another option thrown in AT amp F D 9 1 800 555 5555 ENTER BUSY In the first line of this example AT is the required command prefix amp Fr tells the 8400B Plus Data Module to restore the factory default configuration parameters 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 16 Dis the dial command 9 represents the access code required to dial a number outside your PBX domain The remainder of the line is the telephone number In the second line of this example the 8400B Plus Data Module indicates that it detected a busy signal and the call is automatically disconnected A Sample On Line Session This section outlines how to perform a simple on line session using the AT commands described in this chapter For more information about all AT commands see Chapter 3 and Starting the Session The following is a sample data call to a fictitious bulletin board service If you know the number of a real bull
66. er 1996 Configuration and Operation Data Operation 3 12 stored so that additional commands can be entered on the same command line Table 3 4 Commands for Using Stored Telephone Numbers Command Line Action AT amp Zm nnn n Store number nnn nin location m which is one of four locations designated by the numbers 0 through 3 For example AT amp Z2 918006245123 stores the number 918006245123 in number storage location 2 AT amp Zm Delete any number stored in location m which is one of four locations designated by the numbers 0 through 3 For example AT amp 22 deletes any number that may have been stored in number storage location 2 ATDS m Dial the number stored in location m which is one of four locations designed by the numbers 0 through 3 For example ATDS 2 causes the 8400B Plus Data Module to dial the number stored in location 2 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 13 Automatic Answering The 8400B Plus Data Module can be set up to answer incoming data calls automatically To initialize this option type the command line ATSO nnn where nnn is a decimal number in the range of 1 through 255 representing the number of rings to wait before answering If nnn is 0 the factory default setting the automatic answer feature is turned off Remote Site Use The 8400B Plus Data Module can be used at
67. er one To repeat the previously executed command line exactly type A without pressing the Return or Enter key This command cannot be combined with any other command See Also Repeating a Command jon page 3 5 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set November 1996 A 6 Table A 1 Accepted AT Command Labels Label Description Command D Function Dial a call Type immediate Arguments The D command requires an ASCII character string to specify the telephone number to be dialed as follows For voice calls the valid characters are limited to and and digits 0 through 9 Voice dial commands with invalid characters are accepted and the invalid characters are ignored only the valid characters are dialed For data calls the character string may include any ASCII character with the following restrictions Ifthe letter T uppercase or lowercase is typed as the first character following the D command or as the first character of a stored number when AT does not follow the D command the 8400B Plus Data Module will delete the character For example if you want your dial string to be the mnemonic TEXAS you must type the T twice the first T may be uppercase or lowercase producing the command line ATDT TEXAS 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set November 1996 A 7 Table A 1 Accepted AT Command Labels
68. er parts of this manual where you will find more information and or a list of other S registers or AT commands that are associated with this S register 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 7 Table C 1 Labels Used in S Registers Label Description Register S0 Description The value in this S register represents the ring number Range of Values Storable Comments See Also on which an incoming call will be automatically answered The value may be 000 through 255 rings The factory default setting is 000 rings yes Setting S register SO to any value from 001 through 255 enables automatic answer a value of 000 disables automatic answering The count of incoming rings is stored in S register S1 Automatic Answering on page 3 13 and S register 51 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 8 Table C 1 Labels Used in S Registers Label Description Register 51 Description The number of incoming rings detected Incremented Range of Values Storable Comments See Also each time a ring is detected It is cleared if no rings are detected for eight seconds The value may be 000 through 255 rings The factory default setting is 000 rings no In the 8400B Plus Data Module incoming rings are not detected as such The PBX notifies the 8400B Plus Data Module of an incoming
69. erminated manually Issuing the TO command terminates any locally initiated test immediately regardless of the value in S register 518 The amp T command on and for information about performing loopback tests Register S19 not used Register S20 not used 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 25 Table C 1 Labels Used in S Registers Label Description Register S21 Description This S register is used to store the status of bit mapped Range of Values Storable Comments options as follows bit 0 telephone jack options set by J command default 0 see comment 1 bit 1 not used always set to 0 bit 2 RTS CTS options set by amp R command default 0 see comment 1 bits 3 and 4 DTR options value depends on argument of DTR option command default 00 see amp D command bit 5 DCD options 0 always on 1 EIA TIA 574 standard default 0 see amp C command bit 6 DSR options 0 always on 1 EIA TIA 574 standard default 0 see S command bit 7 long space disconnect options default 0 set by Y command see comment 1 Value may be 00 through FF hexadecimal factory default settings produce a value of 00 see comment 2 yes 1 For the 8400B Plus Data Module bits 0 2 and 7 will be set by the appropriate command however there will be no other effect 2 Re
70. essing The value in 512 determines how long your keyboard should remain idle before entering the escape sequence as well as the maximum allowable time between entering each character of the sequence The character used in the escape sequence is determined by the value in s2 default is ASCII 43 the plus sign See Also From Data Mode to Command Mode and Back on page 3 10 the 0 command on page A 14 S2 on page C 9 and s12 on page C 19 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 4 Table A 1 Accepted AT Command Labels Label Description Command A Function Go off hook in Answer mode Type immediate Arguments none S Register Bit 7 of S14 is set to 0 Example ATA Comments The A command causes the 8400B Plus Data Module to go off hook in answer mode and attempt to answer an incoming call The option set by the D command and the contents of SO and S1 are ignored when this command is issued See Also The amp D command on s0 onfpage C 7 s1 on page C 8 and 514 onfpage C 20 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 5 Table A 1 Accepted AT Command Labels Label Description Command A Function Re execute the last valid command line Type immediate Arguments none S Register none Example A Comments This is one of the two commands that does not require the AT prefix is the oth
71. etin board service you might try an actual log on by using that number and following the suggestions in this session AT D 9 555 7575 ENTER CONNECT 1200 The D command is used to dial the number of the bulletin board Since the connection was made successfully the 8400B Plus Data Module responded with a message that says the remote end connected and the data speed to be used is 1200 bps If this does not match the speed of your terminal or PC you must adjust the speed of the terminal or PC to 1200 bps The remote end may do nothing until you press a particular key a few times usually ENTER Typical of many data communications application programs this sometimes required input lets the remote end determine whether you have connected with the correct communications parameters in effect 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 17 Possible Display Problems If the response from the remote end is unintelligible garbage chances are that the speed or parity bit selection is incorrect In this case assuming that your terminal device allows the parameters may be corrected without disconnecting the call Otherwise you must disconnect correct the parameters and then try the call again Disconnecting a Data Call Most remote systems will have a command or menu selection for logging off When you select the appropriate means the remote system will disc
72. f telephone companies and telephone equipment manufacturers to control it Some individuals use electronic devices to prevent or falsify records of these calls Others charge calls to someone else s number by illegally using lost or stolen calling cards billing innocent parties clipping onto someone else s line or breaking into someone else s telephone equipment physically or electronically Today security problems are not just limited to toll fraud There have been sharp increases in reported incidents of hackers criminals skilled in reprogramming computer systems accessing telecommunications systems through remote administration or maintenance ports These ports cannot be used to place phone calls but hackers can gain control over the setup of the system Through these ports hackers create security holes to allow unauthorized calling a serious form of electronic vandalism Maintenance ports are their most recent target of abuse In this scenario hackers find a private branch exchange PBX maintenance port number with their war dialer a device that randomly dials telephone numbers until a modem or dial tone is obtained They then hack the user ID and password sometimes just by using the PBX default passwords to enter your system This is the most dangerous type of abuse because once in your system the hackers have control over all the administrative commands While in your system they have been known to
73. f you accidentally drop it into water do not retrieve it until you have first unplugged the power cord from the alternating current AC outlet the line cord from the modular wall jack and all interconnecting cords from the terminal equipment Do not plug the cords back in until the product has dried thoroughly Avoid touching the product during electrical storms in your immediate area There is a remote risk of electric shock from lightning Even though protective measures may have been installed to limit electrical surges from entering your business absolute protection from lightning is impossible Never push objects of any kind through housing slots as they may touch hazardous voltage points or short out parts that could result in a risk of electrical shock Never spill liquid of any kind on the product Disconnect the cords on this product before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning Slots and openings in the housing and the back or bottom are provided for ventilation to protect it from overheating these openings must not be blocked or covered The openings should never be blocked by placing the product on a rug or other similar surface This product should never be placed near or over a radiator or heat register This product should not be placed in a built in installation unless proper ventilation is provided This product should be operated only from the type of power unit indicate
74. feed character ASCII 10 S4 10 Backspace character ASCII 8 S5 8 Wait for blind dial voice call 2 seconds S6 2 Wait for call completion 60 seconds S7 60 Pause time for comma 2 seconds S8 2 DCD circuit detection 6 seconds S9 6 Hang up after lost carrier 1 4 seconds S10 14 DTMF duration 95 milliseconds 11 95 Escape sequence guard time 1 second S12 50 Test timer duration 0 seconds S18 0 DTR detection 0 05 seconds S25 5 CTS delay interval 0 seconds S26 0 Result code format text v1 Result code subset 0 5 7 10 12 14 x4 Not used YO DCD circuit option always on amp CO DTR circuit option DTR ignored amp DO Not used amp GO Not used amp J0 Not used amp LO 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 9 Table E 5 Factory Default Configuration Parameter Value AT Command Not used amp PO Not used amp Q0 Not used amp RO DSR circuit option always on amp S0 RDL request granted amp T4 Default user profile profile 0 amp Y0 8400B Plus Data Module User s Guide 555 020 709 Quick Reference Summaries Issue 2 November 1996 E 10 Table E 6 M9 F25 Adapter Pin Assignments Common Pin Circuit Name Direction Lead Name 1 CF RLSD or from 8400B Plus Data Received Line Signal DCD Module Detector or Data Carrier Detector 2 BB RD from 8400B Plus Data Received Data Module 3 BA SD to 8400B Plus Data Tra
75. fer to the explanation of hexadecimal values under the Range of Values heading on page C 4 Table C 1 Labels Used in S Registers Label Description See Also The amp C command on page A 22 the D command on page A 23 land the S command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 27 Table C 1 Labels Used in S Registers Label Description Register S22 Description This S register is used to store the status of bit mapped Range of Values Storable Comments See Also options as follows bits 0 and 1 speaker volume default 2 set by L command see comment 1 bits 2 and 3 speaker control default 1 set by M command see comment 1 bits 4 5 and 6 result codes value depends on argument of result code options command default 0 see X command bit 7 make break ratio default 0 set by P command see comment 1 Value may be 00 through FF hexadecimal factory default settings produce a value of 76 see comment 2 yes 1 For the 8400B Plus Data Module bits 0 through 3 and bit 7 will be set by the appropriate command however there will be no other effect 2 Refer to the explanation of hexadecimal values under the Range of Values heading on page C 4 Command Acknowledgment on page 3 4 and the x command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers N
76. g to the configuration of your local AC outlet D8W JONEOTHER LINE MSP 1 Power Supply Figure 2 3 Typical Installation of the International Configuration including Telephone and Separate Power Supply 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting the Correct Installation Procedure 27 8400B Plus Data Module Rear Endplate SF He a Adapter aL use only with 25 pin a EIA 232 D Connector Cord Telephone Optional EIA 232 D 9 pin or 25 pin Connector Cord Figure 2 4 Typical Installation of the US Configuration or International Configuration including Telephone and Closet Power Supply Selecting an EIA Connector Cord The standard EIA 232 D Connector cord already supplied with your terminal or PC may be used with the M9 F25 Adapter to connect your terminal or PC to the 8400B Plus Data Module a If the communications port on the terminal device is a 9 pin interface use a Connector cord with DB9 male connectors on each end to connect the Data Module to the terminal device a If the communications port on the terminal device is a 25 pin interface use a 25 pin EIA 232 D Connector cord plus the supplied M9 F25 Adapter to connect the Data Module to the terminal device 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Hardwar
77. g trouble connecting to a host can call to use the Loop Around Data Test Arrangement see Figure D 7 Again if the call succeeds the problem is not in the modem pool Terminal or PC Modem Network Loop Around Data v Test Arrangement Modem Pool DCP Two Wire 8400B Plus DEFINITY Communicatidns Loopback System Plug G3V2 or Host later Data Module or ADU Figure D 7 Using the Loop Around Data Test Arrangement with Modem Pooling 8400B Plus Data Module User s Guide 555 020 709 Isolating Problems Using Loopback Data Tests Loop Around Data Test Arrangement Issue 2 November 1996 D 13 The Loop Around Data Test Arrangement is also useful for isolating problems in networks of digitally connected switches The scenario is a user at one site needing to access a host at another site and having problems The user is instructed by the Help Desk to call the local Loop Around Data Test Arrangement If this succeeds the problem is isolated to the network or to the remote host equipment The user is then instructed to call a Loop Around Data Test Arrangement at the host site see Figure D 8 If this call succeeds then the problem is not in the network between the switches Terminal or PC Data Module PC PBX Loop Around Data x Test Arrangement DCP or Asynchronous Data Unit
78. hapter 3 for information on the configuration and operation of your 8400B Plus Data Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Operating Modes 3 1 Configuration and Operation This chapter describes how to change store and recall configuration parameters outlines how to create and save custom configuration profiles and discusses more advanced command usage with example command lines This chapter also provides some basics on the operation of the 8400B Plus Data Module describes how to use a few AT commands that are essential for most voice data communications operations and then outlines a typical on line session gt NOTE The commands for the 8400B Plus Data Module are referred to as AT commands because you must type the letters AT as the first characters on the line for most commands Operating Modes Except when a test condition has been initiated the 8400B Plus Data Module is always in one of two states command mode or data mode When power is first applied the 8400B Plus Data Module initializes to command mode after self test is complete In command mode the 8400B Plus Data Module looks at everything you type on your keyboard When you type in something that the 8400B Plus Data Module recognizes as a valid command with a valid parameter if required it 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration
79. haracters Semicolon return to the command mode S n Dial the telephone number stored with the Zn x command 8400B Plus Data Module User s Guide 555 020 709 Quick Reference Summaries Table E 3 S Register Summary Issue 2 November 1996 E 6 Register Description Range Unit So Ring to answer on 000 255 count Si Incoming ring count 000 255 count s2 Escape sequence character 000 127 ASCII S3 Carriage return character 000 127 ASCII S4 Line feed character 000 127 ASCII S5 Backspace character 000 032 127 ASCII S6 Blind dial delay for voice calls 000 255 seconds S7 Wait time for call completion 001 255 seconds S8 Duration of delay for pauses 000 255 seconds s9 Carrier Detect Response time 000 255 0 1 seconds S10 Delay between lost line and hang up 000 255 0 1 seconds S11 DTMF tone duration 000 255 milliseconds S12 Escape sequence guard time 000 255 0 02 seconds S13 Not used S14 Bit mapped options see Appendix C 00 FF hex S15 Not used S16 Test function status see Appendix C 00 FF hex S17 Not used S18 Diagnostic test duration timer 000 255 seconds 19 Not used S20 Not used S21 Bit mapped options see Appendix C 00 FF hex S22 Bit mapped options see Appendix C 00 FF hex 523 Bit mapped options see Appendix C 00 FF hex S24 Installation option
80. he 8400B Plus Data Module supports the comma dial modifier to provide pauses in the dialing process for a voice call The comma is sent to the switch for data calls The comma dial modifier on page B 6 and Dialing iPause on page 3 19 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 16 Table C 1 Labels Used in S Registers Label Description Register S9 Description This S register establishes the length of time a receive Range of Values Storable Comments See Also carrier signal must be present to be recognized and cause the Data Carrier Detect DCD circuit to turn on This prevents a ring or busy signal from being mistaken as a carrier Value may be 000 through 255 tenths of a second factory default value is six tenths of a second no This feature is unnecessary in the DCP operating environment of the 8400B Plus Data Module The value in s9 may be set or read but is always ignored none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 17 Table C 1 Labels Used in S Registers Label Description Register S10 Description The value in this S register determines how long the Range of Values Storable Comments See Also 8400B Plus Data Module will wait after loss of line signal is detected before disconnecting Value may be 000 through 255 tenths of a second factory default is 14
81. ing is an example AT H ENTER OK Note the following characteristics of the display representation The first line is a command line as it should be typed The symbol when shown indicates that you must press the Enter or Return key to complete the command line Spaces are used to separate commands in some examples shown in this guide In actual use the spaces may be typed but they are not required The second line in the example shows a typical response returned by the 8400B Plus Data Module Throughout this document toll fraud security hazards are indicated by an exclamation point inside a triangle and the words Security Alert A Security Alert Security Alert indicates the presence of a toll fraud security hazard Toll fraud is the unauthorized use of your telecommunications system by an unauthorized party for example persons other than your company s employees agents subcontractors or persons working on your company s behalf Be sure to read Your Responsibility for Your System s Security on the inside front cover of this book and Security Issues on page ix of this section 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document Security Issues IX Security Issues As a Lucent Technologies customer you should be aware that there is an increasing problem of telephone fraud Telephone toll fraud can occur in many forms despite the numerous efforts o
82. ing remote loopback tests 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 30 Table C 1 Labels Used in S Registers Label Description Register S24 Description This S register is used to store the status of all Range of Values Storable Comments See Also installation options bit O 0 with telephone 1 without telephone bit 1 0 Mu Law companding 1 A Law companding bit 2 0 external DTMF 1 internal DTMF bit 3 not used bit 4 0 data metering disabled 1 data metering enabled bit 5 0 delay speakerphone disabled 1 delay speakerphone enabled bit 6 0 speakerphone activation enabled 1 speakerphone activation disabled bit 7 0 make busy on local disabled 1 make busy on local enabled Value may be 00 through FF hexadecimal factory default settings produce a value of 00 yes Value not affected by the amp F command The sr n command must be used to change the installation options Installation Options on page 2 12 and the s command on page A 18 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 31 Table C 1 Labels Used in S Registers Label Description Register 25 Description The value in this S register determines how long a Range of Values Storable Comments See Also change of state OFF to ON or ON to OFF on the DTR
83. ion 0 is dialed The S n dial modifier can also be used for voice calls See Also Voice Operations on page 3 18 and the Z command on page A 31 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Dial Modifiers November 1996 B 5 Table B 1 Dial Modifiers Label Description Dial Modifier T Function Request to make a data call S Register none Example ATDT918006230718 ENTER Comments The purpose of the T dial modifier is to signal the 8400B Plus Data Module to dial the number that follows as a data call When entered immediately after the D in a dial command and or as the first character in a stored number the 8400B Plus Data Module will place a data call When the T is omitted the 8400B Plus Data Module will still place a data call See Also Data Operation on page 3 10 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Dial Modifiers November 1996 B 6 Table B 1 Dial Modifiers Label Description Dial Modifier comma Function Used as the pause character for voice calls S Register s8 Example ATD P 9 1 8005551212 Comments The comma causes the 8400B Plus Data Module to delay dialing On voice calls the pause time is stored in the S register s8 Dialing is not delayed when the stored value is zero On data calls the comma is passed to the PBX which will delay dialing by the parameter set in administration See Also Dialing Pause on page 3 19 and
84. k test Same as amp T1 Initiate local data loopback test Allow remote loopback requests from remote endpoint Deny remote loopback requests from remote endpoint Initiate remote loopback test Initiate remote loopback test with self test RTS SQ VS Sl a a a ae J J 3 3 j J 3 3 3 p Initiate local loopback test with self test amp V Display active and stored configuration profiles and telephone numbers amp WO Store active configuration profile in location 0 amp W1 Store active configuration profile in location 1 amp YO Recall configuration profile stored in location 0 at start up amp Y1 Recall configuration profile stored in location 1 at start up 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries Table E 1 AT Command Set E 4 Command Description amp Z0 Store the following telephone number in location 0 amp Z1 Store the following telephone number in location 1 amp Z2 Store the following telephone number in location 2 amp 23 Store the following telephone number in location 3 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries g5 Table E 2 Dial Modifiers Dial Modifier Description P Initiate voice call follows the dial command T Initiate data call follows the dial command Comma pause c
85. l is dialed The semicolon dial modifier is used to delimit the dial command for the voice call from the dial command for the data call The T dial modifier used with the dial command for the data call will be deleted and the character string Texas will be sent to the PBX gt NOTE If the T dial modifier is omitted a data call will be dialed However the T in Texas will be deleted and only exas will be sent to the PBX resulting in a wrong number being dialed 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 10 Table A 1 Accepted AT Command Labels Label Description Comments The maximum length of the ASCII string is 39 Continued characters the AT prefix the carriage return and spaces used for readability do not add to the character count for the line See Also The amp Z command on page A 31 JAppendix B for information about Dial Modifiers S Register s8 on page IC 15 and S Register 14 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 11 Table A 1 Accepted AT Command Labels Label Description Command E Function Turn the command echo on or off Type configuration Arguments No argument or an argument of 0 disables echo and an argument of 1 enables echo The factory default is 1 S Register Bit 1 of S14 is set according to the argument of the command Example ATE1 Comments
86. le may disconnect and send the result code NO CARRIER or BUSY to your display screen When a call is successfully completed the 8400B Plus Data Module will send the result code CONNECT nnnn to your screen where nnnn represents the speed of the 8400B Plus Data Module for example 1200 gt NOTE The speed sent in the CONNECT xxxx message may not be the same speed used to dial the call In this case the terminal speed must be changed to match the new speed Storing a Telephone Number The 8400B Plus Data Module is capable of storing up to four telephone numbers each of which can contain up to 25 characters Numbers stored in this way remain available indefinitely even after the 8400B Plus Data Module has been powered off and then on again Table 3 4 describes the command lines used to store a telephone number delete a number from storage and dial a stored number gt NOTE Digits 0 through 9 and all letters a through z and A through z may be part of the stored number Spaces and hyphens may be used in the number when typing the command line Spaces are not stored and do not add to the total count of characters in the stored number but all other ASCII characters are stored and counted Any ASCII character may be used as long as it is acceptable to the PBX A semicolon character cannot be stored because it is used to delimit the end of the string being 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Novemb
87. led Storing a Telephone Number on page 3 11 AT amp Wn Store the configuration parameters in the active profile to one of the two storage locations where n represents the desired location and may be 0 or 1 ATZn Immediately reset the 8400B Plus Data Module and recall one of the two stored configuration profiles into active status where n represents the desired profile and may be 0 or 1 AT amp Yn Recall one of the two stored configuration profiles into active status when the 8400B Plus Data Module is powered on where n represents the desired profile and may be 0 or 1 AT amp F Recall the factory default configuration settings into the active profile Note that this command does not load the Installation Option factory default values into the active profile S register 24 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Data Operation 3 10 Data Operation This section provides information on how to use the 8400B Plus Data Module for data calls From Data Mode to Command Mode and Back An escape sequence can be typed at any time during a data call to return temporarily to command mode Your call does not disconnect but data is not exchanged Once you have escaped to command mode the 8400B Plus Data Module returns OK to acknowledge that it has entered command mode see Command Acknowledgment on page 3 4 At this point you can issue comm
88. lishes S register S6 as the last accessed S register ATS6 4 sets S register s6 to the value of 4 ATS 4 sets the value of the last S register accessed to 4 AT 4 sets the value of the last S register accessed to 4 ATS6 returns the current value of S register S6 ATS returns the current value of the last S register accessed AT returns the current value of the last S register accessed AT 4 sets the value of the last S register accessed to 4 and returns the S register s new value Comments If the value nnn is outside the acceptable range for that S register the value will be stored but functionally the lower and higher range limits will be observed Changes to the value of S register S24 affect the active profile as well as configuration profiles 0 and 1 See Also Installation Options on page 2 12 and Appendix Clfor information about S registers 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 18 Table A 1 Accepted AT Command Labels Label Description Command Vv Function Select format for result codes Type configuration Arguments No argument or an argument of 0 causes the 8400B Plus Data Module to return the short form or numeric result codes an argument of 1 causes the 8400B Plus Data Module to return the verbose form or text message result codes The factory default setting is the verbose form S Register Bit 3 of S14 is se
89. lt codes may appear on your terminal screen while the 8400B Plus Data Module is completing a call The option selected by the x command controls which of these result codes may appear on the screen of your terminal the x command is described in Appendix A All result codes that may be returned by the 8400B Plus Data Module are shown in Table 3 2 and in 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Configuration and Operation Issuing Commands Table 3 2 Result Codes November 1996 3 5 Verbose Form Numeric Description OK 0 Command accepted CONNECT 1 Connection made at 300 bps gt NOTE If command x0 is in effect CONNECT means connection made at whatever speed both ends of the call agreed upon RING 2 Ring signal detected NO CARRIER 3 Carrier signal not detected or lost ERROR 4 Error in command line CONNECT 1200 5 Connection made at 1200 bps BUSY 7 Busy signal detected CONNECT 2400 10 Connection made at 2400 bps CONNECT 4800 11 Connection made at 4800 bps CONNECT 9600 12 Connection made at 9600 bps CONNECT 19200 14 Connection made at 19200 bps Repeating a Command As mentioned earlier the command buffer contains the last completed command line If you wish to repeat the previous command line without retyping it type A without the AT command prefix and without pressing ENTER This command is most useful when you have typed a command line to have the 8400B Plus Data Module
90. modem pool that supports speeds of 300 and 1200 bps 1200 bps m 300 1200 and 2400 bps 2400 bps m 1200 2400 4800 and 9600 bps 9600 bps 4800 and 9600 bps 9600 bps Once the data rate has been set on the terminal type the following command AT amp FS0 1E0Q1 amp W0 amp W1 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Loop Around Data Test Arrangement D 15 Also set the correct installation options by typing the appropriate command lf the 8400B Plus Data Module is the US Configuration type ATS24 1 lf the 8400B Plus Data Module is the International Configuration type ATS24 3 You should now disconnect the terminal from the 8400B Plus Data Module The 8400B Plus Data Module will retain the option settings during power removal A loopback plug must now be connected to the EIA Connector Interface of the 8400B Plus Data Module A loopback plug connects pin number 2 to pin number 3 on the 8400B Plus Data Module s EIA Interface using a modified 9 pin connector The modified connector is shown in Figure D 9 Figure D 9 9 Pin Connector Wired as a Loopback Plug 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Loop Around Data Test Arrangement D 16 Using the Loop Around Data Test Arrangement The user calls the Loop Around Data Test Arrangement from a terminal PC Onc
91. mployee had access to the system administration interface their login ID should be removed G3V3 or later Any associated passwords should be changed immediately Back up system files regularly to ensure a timely recovery should it be required Schedule regular off site backups Keep the attendant console and supporting documentation in an office that is secured with a changeable combination lock Provide the combination only to those individuals having a real need to enter the office 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document 7 Lucent Technologies Fraud Intervention XII Keep telephone wiring closets and equipment rooms locked Keep telephone logs and printed reports in locations that only authorized personnel can enter Design distributed reports so they do not reveal password or trunk access code information Lucent Technologies Fraud Intervention If you suspect you are being victimized by toll fraud and you need technical support or assistance call Technical Service Center Toll Fraud Intervention Hotline at 1 800 643 2353 Related Documentation For additional information about securing against toll fraud refer to the following document Document Document Title 555 025 600 BCS Products Security Handbook In addition the following manuals may provide helpful information while installing and using the 8400B Plus Data Module Since each user may have
92. n S Registers Label Description Register The S register is identified following this label Note that the names for S registers 1 through 9 may be typed as two digit numbers with leading zeros if desired for readability for example S01 is equivalent to 1 Description The purpose and use for the S register is explained Range of Values following this label The range of values that may be assigned to the register is explained following this label The units for the value may be as follows decimal a one to three digit decimal number Decimal numbers are typically used to represent a count seconds or fractions of a second a ASCII a one to three digit decimal number that represents the decimal equivalent for an ASCII character see the ASCII Character Set Table E 7 on page E 11 a hexadecimal a two digit hexadecimal number used to represent the contents of a bit mapped S register Bit mapped S registers are not usually set by entering a complete value for the register but are set one or more bits at a time by various AT commands Hexadecimal digits include the decimal digits 0 through 9 and the letters A through F 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 5 Table C 1 Labels Used in S Registers Label Description Storable gt NOTE A value typed as a decimal or ASCII argument to a command may be entered as a one two or
93. nal equipment You can then compare the received message with the transmitted message Passing the test indicates that all elements of data transmission are operating properly at least up to and through part of the remote endpoint If data errors occur during normal data transmission mode the problem is further into the remote endpoint or its attached data terminal equipment Failing this test does not necessarily indicate that the 8400B Plus Data Module is defective Should this occur perform both a Local Loopback Test and then a Local Loopback Test with Self Test to isolate the source of the problem between the data terminal equipment and the 8400B Plus Data Module s EIA interface or the communications channel 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Remote Loopback Test D 8 Remote Local DTE 8400B Plus s Data Endpoint W Characters Lie Transmitter HP BH Receiver T il Remote DTE Characters lg Receiver HH c e Transmitter H H Figure D 4 Remote Loopback Test Performing a Remote Loopback Test To initiate the test set up a data call and escape to command mode Then type AT amp T6 The system responds with OK This test will continue for the period of time indicated in S register S18 To terminate the test before the test timer e
94. nd Data or Receive Data leads will cause its LED to flash OFF and ON at 100 ms intervals Incoming Call Flash On This indicates an incoming call Active Data Call On On This indicates an active data call The transmission of a character on the Send Data lead will cause the red LED to flash OFF for 100 ms The transmission of a character on the Receive Data lead will cause the green LED to flash OFF for 100 ms The transmission of a continuous stream of characters on the Send Data or Receive Data leads will cause its LED to flash OFF and ON at 100 ms intervals A Flashis a repeating pattern of 500 ms ON and 500 ms OFF t A Winkis a repeating pattern of 750 ms ON and 250 ms OFF An Inverted Wink is a repeating pattern of 250 ms ON and 750 ms OFF Issue 2 November 1996 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting PC Communications Packages 2 21 Selecting PC Communications Packages The purpose of PC communications software is to allow your PC to operate as an asynchronous voice data communications terminal Of the many software packages available all perform essentially the same functions but often in significantly different ways If you do not already have a PC communications package consult with an experienced user for advice on selecting software to suit your voice data communications needs The following though not required a
95. nd accepts one of two arguments as follows 0 or no argument maintain the DCD circuit on at all times factory default setting 1 the DCD circuit operates according to the EIA TIA 574 standard S Register Bit 5 of S21 is set according to the argument used with the amp C command Example AT amp C1 Comments In the example the DCD circuit operates according to the EIA TIA 574 standard This would be an appropriate setting for when the 8400B Plus Data Module is used at a remote site Regardless of which option is currently in effect the DCD circuit of the 8400B Plus Data Module is always off during self test See Also S register 521 on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 23 Table A 1 Accepted AT Command Labels Label Description Command amp D Function Data Terminal Ready DTR options Type configuration Arguments The amp D command accepts one of four arguments as follows 0 ignore the DTR interchange circuit factory default setting 1 return to the command state if an on to off transition is detected on the DTR input an active data call is not disconnected 2 go on hook when an on to off transition is detected on the DTR input EIA TIA 574 standard an active data call is disconnected 3 perform a reset if an on to off transition is detected on the DTR input an active data call is disconnected S Register Bits 3 and 4 of
96. nd dial delay interval for voice dial calls Range of Values Value may be 000 through 255 seconds factory default is 2 seconds Storable no Comments The 8400B Plus Data Module uses the blind dialing method to originate voice calls since it does not contain a dial tone detector When an off hook message is sent to the PBX the 8400B Plus Data Module pauses for the specified time before dialing the call See Also Dialing Delay on page 3 19 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 14 Table C 1 Labels Used in S Registers Label Description Register S7 Description Wait time for connection to remove endpoint If the data mode is not entered within this time the call will be disconnected Range of Values Value may be 001 through 255 seconds factory default value is 060 seconds Storable yes Comments Even though s7 is storable it is not displayed with the stored profile data generated by the AT amp V command See Also Dialing a Data Call on page 3 10 8400B Plus Data Module User s Guide 555 020 709 Issue 2 S Registers November 1996 C 15 Table C 1 Labels Used in S Registers Label Description Register S8 Description This S register controls the duration of delay for pauses Range of Values Storable Comments See Also for voice calls Value may be 000 through 255 seconds factory default value is 2 seconds no T
97. ns and the remaining five are unused Eleven registers can be stored in nonvolatile memory which will be restored when the unit is powered up There are two sets of stored registers or profiles When the 8400B Plus Data Module is first powered on the values that were last stored in the S registers are the values in effect until AT commands are issued to change them You can check the current value stored in all S registers with the amp v command see the description on page A 28 The v command displays all active and stored configuration data as shown in Figure C 1 on page C 2 8400B Plus Data Module User s Guide 555 020 709 S Registers Issue 2 November 1996 C 2 ACTIVE PROFILE Bl El L2 M1 Q0 V1 S08 002 S09 006 S STORED PROFILE 0 Bl El L2 M1 Q0 V1 S00 000 S14 AAH S S26 001 S27 40H STORED PROFILE 1 Bl El L2 M1 QO V1 S00 000 S14 AAH S S26 001 S27 40H TELEPHONE NUMBERS amp Z0 34017 amp Z1 95551212 amp Z2 74802 amp Z3 PARIS OK X4 YO S00 000 S01 000 S02 043 0 014 S22 76H S23 0BH S24 00H X1 YO 8 000 X4 YO 8 000 amp CO S03 S12 525 amp CO 21 amp CO S21 amp DO 013 050 005 amp DO 00H amp D0 00H amp G0 S04 AAH S26 S14 amp G0 S22 amp G0 S22 amp J0 010 001 amp J0 46H amp J0 46H amp LO S05 S16 S27 amp LO 523 amp LO S23 amp PO amp QO amp RO amp S0 amp X0
98. nsmitted Data Module 4 CD DTR to 8400B Plus Data DTE Ready Module 5 AB SG common Signal Ground 6 CC DSR from 8400B Plus Data DCE Ready Module 7 CA RTS to 8400B Plus Data Request To Send Module 8 CB CTS from 8400B Plus Data Clear To Send Module 9 CE RI from 8400B Plus Data Ring Indicator Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 11 Table E 7 ASCII Character Set ASCII Control Value Character Key 000 NUL CTRL 001 SOH CTRL A 002 STX CTRL B 003 ETX CTRL C 004 EOT CTRL D 005 ENQ CTRL E 006 ACK CTRL F 007 BEL CTRL G 008 BS CTRL H 009 HT CTRL I 010 LF CTRL J 011 VT CTRL K 012 FF CTRL L 013 CR CTRL 014 SO CTRL 015 SI CTRL O 016 DLE CTRL P 017 DC1 CTRL Q 018 DC2 CTRL R 019 DC3 CTRL S 020 DC4 CTRL T 021 NAK CTRL U 022 SYN CTRL V 023 ETB CTRL W 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Quick Reference Summaries E 12 Table E 7 ASCII Character Set ASCII Control Value Character Key 024 CAN CTRL X 025 EM CTRL Y 026 SUB CTRL Z 027 ESC CTRL 028 FS CT
99. nt Technologies Technical Service Center at 1 800 242 2121 Idle Following the initial power up of the unit this indicates that the 8400B Plus Data Module is idle Other Test Modes Flash Flash This indicates the unit is in test mode For information regarding test mode refer to Memory Error Mode Off Flash This indicates a defective unit Call the Lucent Technologies Technical Service Center at 1 800 242 2121 Switch Link Down Winkt Inverted Wink The unit is unable to communicate with the PBX Restore the connection between the 8400B Plus Data Module and the PBX wall jack Phone Link Down Inverted Winkt Winkt The unit is unable to communicate with the telephone Restore the connection between the 8400B Plus Data Module and the telephone If no telephone is connected change the With Telephone installation option to No 8400B Plus Data Module User s Guide 555 020 709 Installation LED Indications Table 2 2 LED Indication Summary Status of Unit Green LED Red LED 2 20 Description Idle Off On This is the unit s normal mode if no active data call exists The transmission of a character on the Send Data lead will cause the red LED to flash OFF for 100 ms The transmission of a character on the Receive Data lead will cause the green LED to flash ON for 100 ms The transmission of a continuous stream of characters on the Se
100. o argument the DSR circuit is maintained on at all times factory default setting 1 the DSR circuit operates according to the EIA TIA 574 standard S Register Bit 6 of S21 is set according to the argument used with the amp S command Example AT amp S1 Comments In the example the DSR circuit is configured to operate according to the EIA TIA 574 standard Regardless of which option is currently in effect the DSR circuit of the 8400B Plus Data Module is always off during self test See Also S register 521 on page C 25 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set November 1996 A 26 Table A 1 Accepted AT Command Labels Label Description Command Function Type Arguments S Register Example amp T Control diagnostic and test facilities immediate The amp T command accepts one of eight arguments see comment 2 as follows 0 or no option terminate any test in progress see comment 3 1 initiate local loopback test 2 same as 1 3 initiate local data loopback test 4 allow remote loopback requests from the remote system factory default selection 5 deny remote loopback requests from the remote system 6 initiate remote loopback test 7 initiate remote loopback test with self test 8 initiate local loopback test with self test Bits 0 and 2 6 of S16 are set according to the argument used with the T c
101. odes switching between 3 2 0 synchronous operation 4 3 0 multiple commands 3 21 0 N NETCON see Network Control data channel Network Control data channel restricting access t0 x security of Issue 2 November 1996 IN 5 8400B Plus Data Module User s Guide 555 020 709 Index O on line disconnecting 3 17 _ S example 3 16 operating modes command A 14 0 on line data A 14 ooo options automatic ere hone activation bit mapped C 20 C 22 C 25 C 27 c 28 datametering 2 14 0 disable busyout feature during local loopback test 2 factory default 2 12 0 immediate speakerphone activation installationJ2 12J2 16 _ _ o profiles 2 21 CSCS P active BE C d configuration 7 JA28JA 30 SSCS stored A2t SSCS Issue 2 November 1996 IN 6 8400B Plus Data Module User s Guide 555 020 709 Index remote site use result codes ring cycle C 8 Ey S safety generalinstructions xv scriptfiles 2 21 separate power supply 2 6 software data communications speakerphone automatic activation delaying activation 3 18 immediate activation 2 14 Issue 2 November 1996 IN 7 8400B Plus Data Module User s Guide 555 020 709 Index S registers continued stop bits 3 3 storing telephone numbers 3 11 JA 31 __ Ea T telephone number storag G at option 1 2 1628212 touch tone gene
102. of the 7400B Plus Data Module and has been designed explicitly to work with two wire DEFINITY Digital Communications Protocol circuits It is fully compatible with the 7400B Plus and supports all of its functionality and applications Overview Congratulations on the addition of the Lucent Technologies 8400B Plus Data Module Following our tradition of excellent quality and high reliability we have designed this new 8400B Plus Data Module with the latest advances in telecommunications technology The 8400B Plus Data Module is a full duplex asynchronous data module It provides integrated voice data communications at the desktop over standard twisted pair wiring At the desk the 8400B Plus Data Module provides asynchronous communication speeds ranging from 300 bps to 19 2 Kbps The 8400B Plus Data Module s ability to emulate a Hayes compatible modem interface makes it compatible with many standard PC communications packages that use Hayes command sets In addition the 8400B Plus Data Module provides a voice dial capability that allows you to initiate voice calls from 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Introduction Features 1 2 a personal computer PC using industry standard auto dialer PC communications packages The 8400B Plus Data Module is a data service link between a Data Terminal Equipment DTE device a two wire telephone and a Lucent Technologies DEFINITY Communications System
103. ofiles 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Configuration Parameters 3 8 The active profile contains the parameter values that are currently in effect All parameter values can be changed and most changes can be stored to one of the two profile storage locations by issuing an AT command Another AT command recalls values from one of the two stored profiles into the active profile Factory default parameter values are a selection of values that are appropriate for a wide number of applications These values are stored permanently in read only memory ROM and you can issue an AT command to recall them into the active profile at any time Commands to view store and recall configuration parameters are summarized Se oe ee discussed in this section are described in greater detail in Appendix A To determine whether a configuration parameter that affects a particular S register can be stored in memory refer to Appendix C 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Configuration Parameters 3 9 Table 3 3 Commands to Store Recall and View Configuration Parameters Command Line Action AT amp V Display current AT command settings and S register values in the active profile and the two stored profiles also displays the four stored telephone numbers which are described in the section tit
104. olution The green LED is flashing and the red LED is on but the 8400B Plus Data Module does not automatically answer the incoming call The automatic answer option is not enabled The automatic answer option is enabled but the terminal device is not ready From the command mode type ATSO 1 to turn on the automatic answer feature Set the value following the equal sign 1 in the example to the ring number on which you want the 8400B Plus Data Module to answer an incoming call The automatic answer feature is turned off by setting this value to 0 If the local terminal is a PC configure the communications software to turn on the DTR lead or set the 8400B Plus Data Module to ignore the DTR lead by typing AT amp DO Transmitted and or received data contains errors Speed settings of the terminal device and the 8400B Plus Data Module are not the same The local terminal device and the far end device are configured for Change terminal device speed to agree with the speed that was indicated in the CONNECT nnnn message Change the parity setting of the local terminal device to match that of the far end device different parity settings Far end data errors PC does not Disconnect the call change the occur only during file support hardware Disable Data Metering Feature option transfer with PC flow control to Yes reestablish the call and try the communications package file tran
105. ommand AT amp T3 see comment 1 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set Table A 1 Label November 1996 A 27 Accepted AT Command Labels Description Comments See Also 1 In the example a local data loopback test is initiated All argument values in the range of 0 8 are valid All of the options selected by the command arguments described above are accepted and implemented by the 8400B Plus Data Module If the local digital loopback or remote digital loopback tests are in progress it is necessary to issue the escape sequence to return to command mode before the TO command can be used to terminate these tests The test timer value stored in S register S18 can also be set to halt automatically any locally initiated test in progress S register 516 on page C 22 S register s18 on pagel C 24 and Appendix D for information about performing loopback tests 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 28 Table A 1 Accepted AT Command Labels Label Description Command amp V Function View the active configuration and stored profiles Type immediate Arguments The amp V command does not take an argument S Register none Example AT amp V Comments The v command displays all active and stored configuration data as follows see sample screen below a command and S register settings for the active c
106. onfiguration a command and S register settings saved in configuration profiles 0 and 1 contents of the four telephone number storage locations See Also Configuration Parameters on page 3 7 and on page C 2 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 29 Table A 1 Accepted AT Command Labels Label Description Command amp W Function Store the active configuration profile Type immediate Arguments No argument or an argument of 0 stores to location 0 an argument of 1 stores to location 1 S Register none Example AT amp WO Comments In the example the currently active configuration profile is stored to memory location 0 Only a subset of the configuration parameters are actually stored See Also Configuration Parameters on page 3 7 and the sv command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 30 Table A 1 Accepted AT Command Labels Label Description Command amp Y Function Designate the default configuration profile Type configuration Arguments An argument of 0 will recall stored profile 0 an argument of 1 will recall stored profile 1 Factory default selection is stored profile 0 S Register none Example AT amp Y1 Comments In the example the configuration profile stored in location 1 will be recalled the next time that the 8400B Plus Data Module is powered on When the ey command is i
107. onnect or hang up The PBX will disconnect the call and after a moment the 8400B Plus Data Module will send the following message to your display NO CARRIER Alternatively you can use the following disconnect procedure Selection OK The prompt Selection is simply a representation of how the remote system might ask you for your next command or menu selection Type the escape sequence default is but do not press ENTER Pause before typing type quickly and then pause again after typing When the 8400B Plus Data Module responds with OK type the command line ATH The PBX will disconnect from the remote end device and the 8400B Plus Data Module will send the oK message to the terminal display 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Voice Operations 3 18 Voice Operations This section provides information on how to use the 8400B Plus Data Module for voice dialing gt NOTE The host PBX must be administered to support voice and data calls Using the 8400B Plus for Voice Dialing The 8400B Plus Data Module is equipped with a voice dial feature that allows you to place voice telephone calls from the attached terminal device To place a voice call just tell the 8400B Plus Data Module to use pulse dialing by including the P dial modifier For data calls tell it to use tone dialing by including the T dial modifier If you fail to s
108. oubleshooting Guidelines Symptom Problem Solution Call disconnects The far end device Try the call again immediately after an is busy with attempt to connect another call BUSY or NO CARRIER may be displayed on the local terminal device green LED turns off red LED is on The telephone Check the number of the far end number was dialed device that you wish to call and try the incorrectly call again The far end device This situation can only be resolved by is not busy but the having the PBX readministered to PBX has restricted remove the access restriction access to the called device The value in Increase the value of S register S7 S register S7 does not allow enough time for the call to be completed 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Troubleshooting How to Use This Chapter 4 5 Table 4 1 Troubleshooting Guidelines Symptom Problem Solution The PC The 8400B Plus From command mode type the communications Data Module has command software indicates ignored the that the call has on to off transition ATED2 been disconnected of the DTR lead to set the DTR lead option to but the green LED is disconnect on DTR lead transition from still on on to off Alternatively determine and use the command provided by the communications software to implement this change The 8400B Plus Ensure that after the escape sequence Data Module has has been entere
109. ovember 1996 C 28 Table C 1 Labels Used in S Registers Label Description Register 23 Description This S register is used to store the status of bit mapped Range of Values Storable options as follows bit 0 allow remote loop request from remote system 0 disabled 1 enabled default 1 see T command bits 1 2 and 3 local communications speed see comment 1 0 300 bps 1 not used 2 1200 bps 3 2400 bps factory set default 4 4800 bps 5 9600 bps 6 19200 bps 7 not used bits 4 and 5 local parity setting 0 even 1 space 2 odd and 3 mark none default 0 bits 6 and 7 guard tones default 0 set by G command see comment 2 Value may be 00 through FF hexadecimal factory default settings produce a value of 07 see comment 3 yes 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 29 Table C 1 Labels Used in S Registers Label Description Comments 1 Hayes compatible modems use only bits 0 1 and 2 for speeds up to 2400 bps The 8400B Plus Data Module uses bit 3 to support speeds above 2400 bps 2 Bits 6 and 7 are set by the appropriate command but there will be no other effect 3 Refer to the explanation of hexadecimal values under the Range of Values heading on page C 4 See Also AT Command Line Prefix on page 3 2 the amp T command on and for information about perform
110. pecify the type of dialing to be used for a call a data call will be made If you have a speakerphone the 8400B Plus Data Module will normally turn it on when a voice call is being dialed You may option the 8400B Plus Data Module to inhibit the speakerphone or delay activating it until after dialing is complete by setting the appropriate installation options For more information on installation options see Chapter 2 If your telephone does not have a speakerphone you may lift the handset at any time before during or after the call is dialed Voice calls can be originated from the PC but you must use the telephone to hang up a call 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Configuration and Operation Voice Operations 3 19 Dialing Instructions When a voice call is made using the PC the telephone number should be given to the 8400B Plus Data Module in a single AT dial command as indicated in the example below ATD P 9 1 908 555 1212 The P dial modifier must be included to tell the 8400B Plus Data Module that the call is a voice call If an attempt to dial a voice call is made using more than one dial command on a command line the first dial command will be accepted and the second dial command may be discarded After dialing the call the 8400B Plus Data Module automatically returns to the command mode A second voice call can be made from your PC by manually placing the first call on HOLD
111. power supply provided with your 8400B Plus Data Module a b Plug the 400B2 Adapter into the PBX wall jack Plug the remaining end of the first D8W telephone cord into the bottom connector on the 400B2 Adapter Plug one end of the D6AP cord into the power supply unit Plug the other end of the D6AP cord into the top connector on the 400B2 Adapter Plug the power supply unit into a 120 VAC 60 Hz outlet 3 If you are installing the International Configuration and using the separate power supply provided with your 8400B Plus Data Module a Insert the remaining end of the first D8W telephone cord into the connector labeled PHONE on the power supply Insert one end of the second D8W cord into the connector labeled LINE on the power supply Insert the remaining end of the second D8W cord into the PBX wall jack Plug the power supply cord into the power supply unit Plug the other end of the power supply cord into an appropriate AC outlet If the power supply cord provided with the MSP 1 Power Supply is not compatible with your AC outlet you may either 1 use an adapter to conform to local blade arrangement or 2 use a replacement cord if an appropriate adapter is not available 4 If you are using a closet power supply instead of the separate power supply insert the remaining end of the first D8W telephone cord into the PBX wall jack 8400B Plus Data Module User s Guide 555 020 709 I
112. r s Guide 555 020 709 Issue 2 November 1996 Installation Hardware Installation 2 9 2 If the Connector cord has 25 pins a Plug the remaining end into the 25 pin portion of the M9 F25 Adapter b Plug the 9 pin portion of the M9 F25 Adapter into the EIA Connector Interface on the rear panel of the 8400B Plus Data Module Tighten all retaining screws 3 If the Connector cord has 9 pins you do not need the M9 F25 Adapter a Plug the remaining end into the EIA Connector Interface on the rear panel of the 8400B Plus Data Module Tighten all retaining screws Connecting the 8400B Plus Data Module to the PBX Wall Jack Use the supplied DCP type D8W telephone cord s to connect the 8400B Plus Data Module to the PBX wall jack and to the separate power supply if necessary CAUTION Make certain that the AC outlet to which you connect the power supply is unswitched for example not controlled by a wall switch or light dimmer gt NOTE Since the 8400B Plus Data Module does not have a power on off switch the unit will power on as soon as the power supply is connected to an active AC outlet 1 Insert either end of the first D8W telephone cord into the connector labeled LINE POWER on the rear panel of the 8400B Plus Data Module 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Installation November 1996 Hardware Installation 2 10 2 If you are installing the US Configuration and using the separate
113. r Detect DCD circuit C 16 _ options A 22 __ S O data channel DCP see Digital Communications Protocol DEFINITY Communications System 1 2 dial modifier dialing circuits 2 13 _ o dialing duration C 18 CS dumb terminal mode 2 21 S e see also Data Terminal Device duplex full 4 8 A1 half 4 8 AT duration of delay for pauses 3 19 C 15 1C 33 Issue 2 November 1996 IN 3 8400B Plus Data Module User s Guide 555 020 709 Index E EIA connector interface about 1 FIA 232 D cord 1 2 2 7 J2 8 errors dataf4 8 0 escape sequence 3 10 00 F factory default configuration 2 12 A 24 1E 8 features of 8400B Plus Data Module a G garbage genderchanger 2 8 E H hardware installation 2 8 _ ooo E I installation diagrams International Configuration 2 6 US Configuration about with telephone Issue 2 November 1996 IN 4 8400B Plus Data Module User s Guide 555 020 709 Index installation continued procedure 2 8 requirements 2 1 RS L LED activity in command mode 3 in data mode troubleshooting 4 2 toj4 10_ local mode loopback dala tests arrangement with loopback data loopback test A 26 D 1 SSCS local loopback testJA 26 D 3 0 local loopback test with self test remote loopback test A 26 D 7 remote loopback test with self test A 26 D 9 a M M9 F25 Adapter about m
114. rator troubleshooting 4 1 two wire telephone V voice dialing 3 18 terminals 1 6 Issue 2 November 1996 IN 8
115. re a few helpful features that you may wish to look for in the software you select Local mode Also called terminal mode dumb terminal mode or chat mode this feature allows you to issue AT commands to the 8400B Plus Data Module to configure its options Dialing directory This feature allows you to store several frequently called numbers often along with configuration of the data options needed for completing the connection Auto dialer software This feature allows you to automate the process of dialing a voice call without touching the telephone The following three basic types of auto dialer software are available Phone Management supports call log and note taking DOS Utilities typically supports auto dial capabilities Personal Information Managers PIM supports automated calendars databases time lines and pert charts Predefined data option profiles Some programs include completely defined data option profiles also called configuration profiles for popular modems If available select the option profile for the Hayes Smartmodem 2400 Command files These files also called script files allow you to define a group of commands that may be executed for automatically logging into specific remote devices 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting PC Communications Packages 2 22 If You Are Using a PC PC communications packages provide the capability of
116. re located on the top of the 8400B Plus Data Module One LED is red and the other LED is green These indicate the status of the set during normal operation and the result of self tests when the unit is initially powered When power is first applied to the 8400B Plus Data Module the unit performs a self test to verify that it is in working order During the self test both LEDs will remain lit When the self test is complete the green LED will turn off a f self test passed the red LED will remain on This indicates that your 8400B Plus Data Module is installed and READY for data communications operation a f self test failed the red LED will flash three times and then remain on This indicates a defective unit Call the Lucent Technologies Technical Service Center at 1 800 242 2121 Table 2 2 lists all possible LED indications Also refer to Chapter 4 for troubleshooting guidelines 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Installation LED Indications Table 2 2 LED Indication Summary Status of Unit Green LED Red LED November 1996 2 19 Description Self Test On On When the unit is first powered this indicates it is performing a self test When the self test is complete the green LED will turn off If self test passed the red LED will remain on If self test failed the red LED will flash three times and then remain on This indicates a defective unit Call the Luce
117. remote data module does not respond to the Remote Loopback Test request the test request will be aborted gt NOTE A data call must be in progress for this test 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Remote Loopback Test with Self Test D 10 Remote 8400B Plus Data Endpoint Transmitter J Test Circuit Remote DTE P Receiver d H Transmitter Local DTE Receiver rToOA n Figure D 5 Remote Loopback Test with Self Test Performing a Remote Loopback Test with Self Test To initiate the test set up a data call and escape to command mode Then type AT amp T7 This test will continue for the period of time indicated in S register S18 To terminate the test before the test timer expires type AT amp TO The system responds with the error count then the completion signal 000 OK 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Loop Around Data Test Arrangement D 11 Loop Around Data Test Arrangement The 8400B Plus Data Module Loop Around Data Test Arrangement provides a simple mechanism that can be installed on a DEFINITY Communications System to isolate Digital Communications Protocol DCP data problems In the Loop Around Data Test Arrangement one
118. s see 00 FF hex S25 DTR change detect time 000 255 0 01 seconds S26 RTS to CTS delay interval 000 255 0 01 seconds 527 Bit mapped options see Appendix C 00 FF hex 8400B Plus Data Module User s Guide 555 020 709 Quick Reference Summaries Issue 2 November 1996 E 7 Table E 4 Result Codes Verbose Form Numeric Description OK 0 Command accepted CONNECTED 1 Connection made at 300 bps gt NOTE If command x0 is in effect CONNECTED means connection made at whatever speed both ends of the call agreed upon RING 2 Ring signal detected NO CARRIER 3 Carrier signal not detected or lost ERROR 4 Error in command line CONNECT 1200 5 Connection made at 1200 bps BUSY 7 Busy signal detected CONNECT 2400 10 Connection made at 2400 bps CONNECT 4800 11 Connection made at 4800 bps CONNECT 9600 12 Connection made at 9600 bps CONNECT 19200 14 Connection made at 19200 bps 8400B Plus Data Module User s Guide 555 020 709 Quick Reference Summaries Table E 5 Factory Default Configuration Issue 2 November 1996 E 8 Parameter Value AT Command Not used B1 Command state echo enabled El Not used L2 Not used M1 Result codes enabled Qo Auto answer on ring disabled S0 0 Ring count 0 rings S1 0 Escape sequence character ASCII 43 S2 43 Carriage return character ASCII 13 S3 13 Line
119. setting of this option becomes effective immediately 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Installation Options 2 14 Disable Data Metering Feature This option is set by default for Yes This requires the 8400B Plus Data Module to adjust its transfer speed to match the transfer speed of the remote system The CONNECT xxxx message is displayed to indicate the transfer speed selected when the connection is made Changing this option to No allows the user to set up a call to a remote end that is running at a slower speed than the local data module without having to lower the speed of the terminal The CONNECT xxxx message will always indicate the speed of the local data transfer The 8400B Plus Data Module performs the speed conversion and uses the Clear to Send CTS lead to flow control the user s terminal if it is sending too much data too fast gt NOTE If you are using a PC with a communications package or a dedicated terminal that does not support CTS control you cannot make file transfers with the data metering feature enabled gt NOTE A change in the setting of this option becomes effective immediately when the 8400B Plus Data Module is in the idle mode or as soon as it is returned to the idle mode The 8400B Plus Data Module is in idle mode any time that it is notin test mode or connected to an active data call Immediate Speakerphone Activation This option is set b
120. sfer again Issue 2 November 1996 8400B Plus Data Module User s Guide 555 020 709 Troubleshooting How to Use This Chapter 4 9 Table 4 1 Troubleshooting Guidelines Symptom Problem Solution Result codes are not displayed when commands are entered The display result codes option is turned off Turn on the display result codes option by typing ATOO Numeric code returned when verbose message is preferred The result code format option is set to numeric form Change the result code format option to verbose form by typing ATVI Commands are displayed without error as they are typed echoed but the 8400B Plus Data Module does not respond to any command The local terminal device is set to a speed not supported by the 8400B Plus Data Module Set the terminal device for one of the supported speeds 300 1200 2400 4800 9600 or 19200 bps The CONNECT message is sent without a speed indication but the far end device is not set at 300 bps The 8400B Plus Data Module is configured to display only the basic set of result codes option X0 Configure the 8400B Plus Data Module to send CONNECT nnnn messages for all speeds except 300 bps by typing ATX4 Issue 2 November 1996 8400B Plus Data Module User s Guide 555 020 709 Troubleshooting How to Use This Chapter 4 10 Table 4 1 Troubleshooting Guidelines Symptom Problem Solution Chara
121. ssue 2 November 1996 Installation Initial System Checks 2 11 Connecting a Telephone If you are using the With Telephone option of the 8400B Plus Data Module voice and data install the telephone and any connected adjunct equipment as follows 1 Insert either end of the remaining D8W telephone cord into the line jack on your two wire telephone 2 Insert the other end of the telephone cord into the jack labeled PHONE on the rear panel of the 8400B Plus Data Module gt NOTE See Installation Options on page 2 12 for instructions to select the With Telephone installation option gt NOTE If your voice terminal has data capabilities those data features are not supported while the voice terminal is connected to the 8400B Plus Data Module Initial System Checks The following sections describe procedures for initially checking out your hardware and any required software It is assumed at this point that your PC communications package has been properly installed and is ready for use See Selecting PC Communications Packages jon page 2 21 for guidelines when selecting your PC communications package gt NOTE PC communications software is required only if you are using a PC as your terminal device A dedicated data terminal does not need PC communications software 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Installation Options 2 12 Installation Options
122. ssued the currently active profile does not change until the 8400B Plus Data Module is powered off and then on again See Also Configuration Parameters on page 3 7 and the sv command on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 31 Table A 1 Accepted AT Command Labels Label Description Command amp Z Function Store a telephone number Type immediate Arguments The amp Z command accepts one of four arguments 0 through 3 which designates the memory location in which the dialing string that follows the command will be stored S Register none Example AT amp Z2 555 1212 Comments In the example the dial string 555 1212 is stored in memory location 2 Each of the four number storage locations can store a maximum of 25 characters See Also Storing a Telephone Number on page 3 11 the D command on page A 6 and Dial Modifier s n on page B 4 8400B Plus Data Module User s Guide 555 020 709 Issue 2 Dial Modifiers Dial Modifiers November 1996 B 1 Dial modifiers are only recognized when they appear in a dial string A dial string is a string of characters following the D dial command unless otherwise noted This appendix contains an explanation of each dial modifier accepted by the 8400B Plus Data Module Labels used in the descriptions are defined as follows Table B 1 Dial Modifiers Label Description Dial Modifier
123. system responds with the error count then the completion signal 000 OK If an error count other than 000 is returned repeat this test procedure If the error count is still other than 000 this indicates a problem within the data module Call the Lucent Technologies Technical Service Center at 1 800 242 2121 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Remote Loopback Test D 7 Remote Loopback Test This test evaluates the quality of the data transmission channel and verifies the proper operation of the 8400B Plus Data Module the local terminal and the remote data module This test can only be performed with a remote data module capable of supporting a Remote Loopback Test The remote DCE must be configured to loop the characters back to the 8400B Plus Data Module If the remote endpoint is an 8400B Plus Data Module its user must issue an AT amp T4 command This provisions the data module to accept a remote loopback request If the remote data module does not respond to the Remote Loopback Test request the test request will be aborted Using this test you will generate your own test message Once you establish a call and initiate the test the following occurs data is transmitted through the 8400B Plus to the remote DCE the remote DCE is put into remote loopback mode and then the data is looped back through the 8400B Plus to your data termi
124. t according to the argument used with the v command Example ATV Comments The example would set the short form or numeric result code format See Also The Q command on page A 15 the x command on page A 19 S register S14 on page C 20 and the result codes on 8400B Plus Data Module User s Guide 555 020 709 AT Command Set Issue 2 November 1996 A 19 Table A 1 Accepted AT Command Labels Label Description Command X Function Control the extended result codes Type configuration Arguments The command accepts one of five arguments as follows 0 the basic result code set 0 4 is enabled No busy code sent when line is busy No speed indication with connect code 1 result codes 0 5 10 12 and 14 are enabled No busy code sent when line is busy Speed indication with connect code 2 result codes 0 5 10 12 and 14 are enabled No busy code sent when line is busy Speed indication with connect code 3 result codes 0 5 7 10 12 and 14 are enabled Busy code sent when line is busy Speed indication with connect code 4 result codes 0 5 7 10 12 and 14 are enabled Busy code sent when line is busy Speed indication with connect code S Register Bits 4 5 and 6 of S22 are set according to the Example argument given with the command ATX2 8400B Plus Data Module User s Guide 555 020 709 Issue 2 AT Command Set November 1996 A 20 Table A 1 Accepted AT Command Labels
125. t used with the Q command Example ATQ1 Comments In the example the result codes are disabled Use this option only if you wish to prevent the 8400B Plus Data Module from returning result codes after an AT command is issued See Also The v command on page A 18 the x command on page A 19 S register S14 on page C 20 and the result codes on 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 16 Table A 1 Accepted AT Command Labels Label Description Command 8 Function Read from or write to an S register Type immediate Arguments The s command accepts one of three arguments as S Register follows mm This argument following the s command establishes S register mm as the last S register accessed mm nnn This argument following the s command sets S register mm to the value specified by the number nnn The mm may be omitted in which case the last S register accessed will be assumed If the mm is omitted then the s may also be omitted mm This argument following the S command returns the decimal value of S register mm The mm may be omitted in which case the last S register accessed will be assumed If the mm is omitted then the s may also be omitted all 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 AT Command Set A 17 Table A 1 Accepted AT Command Labels Label Description Example ATS6 estab
126. ta Tests provides information on how to perform loopback tests and how to isolate problems using the 8400B Plus Data Module n Quick Reference Summaries contains quick reference summaries of AT commands S registers result codes factory default configuration settings EIA TIA 574 pin outs and the ASCII character set A glossary and an indexjare provided at the rear of this guide 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document p How to Order Documentation vii How to Order Documentation This document s order number is 555 020 709 To order this document Call Lucent Technologies Publications Center Voice 1 800 457 1235 Fax 1 800 457 1764 International Voice 317 361 5353 International Fax 317 361 5355 OR Write Lucent Technologies Publications Center P O Box 4100 Crawfordsville IN 47933 For more information about Lucent Technologies documents see Business Communications Systems Publications Catalog 555 000 010 How to Comment on This Document To comment on this document please return the comment card at the back of the document 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document 7 Conventions Used viii Conventions Used Throughout this guide command lines that are typed are shown in typewriter style characters and responses that the 8400B Plus Data Module returns are shown in italics The follow
127. ta bits and stop bits Generally these parameters must be set to match at both ends of the communication line Except when the data metering option is enabled the 8400B Plus Data Module attempts to adjust to match the speed of the remote device If the data module is unable to match the speed the call is disconnected Also called communications parameters See also asynchronous data communications and data metering Data Terminal Equipment DTE A device that sends and or receives data over a communication line via a DCE Examples of DTE devices are a display terminal a PC running appropriate data communications software or a printer or plotter DCE See Data Communications Equipment DCP SeelDigital Communications Protocol 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Glossary GL 3 Dial modifier Any character that may be inserted in a command line following the D dial command See the D command in Appendix Ajand Appendix BJfor a description of valid dial modifiers Digital Communications Protocol DCP A proprietary digital protocol used by the Lucent Technologies DEFINITY Communications System to communicate with Lucent Technologies voice terminals and data modules DCP supports simultaneous voice and data services over the same line DTE See Data Terminal Equipment D8W A standard modular telephone cord used to connect DCP devices to a PBX wall jack E EIA 232 D A US indus
128. ta mode simply do the following a Type the escape sequence to enter command mode the 8400B Plus Data Module will respond with OK or 0 unless the Q1 option has been set to disable result codes b Type the suggested command line If the solution suggests disconnecting the call type the command line ATH 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Troubleshooting How to Use This Chapter 4 2 4 To return to data mode after using the escape sequence to enter command mode type the command line ATO Table 4 1 Troubleshooting Guidelines Symptom Problem Solution Both LEDs are off Power is off Check that the AC outlet is working Check that the power supply unit is properly connected to the 8400B Plus Data Module and to the AC outlet The green LED is The 8400B Plus For the MSP 1 power supply check winking 750 ms on Data Module has that the D8W cord is connected 250 ms off andthe lost between the LINE POWER connector red LED is inverted communications of the power supply and the PBX wall winking 750 ms off with the PBX jack 250 ms on For the KS 22911 L2 power supply check that the 400B2 adapter is connected to the PBX wall jack Note also that the line from the PBX must be properly administered for the 8400B Plus Data Module The red LED is The 8400B Plus Check that the D8W telephone cord is winking 750 ms on Data Module has securely connected between the
129. te Speakerphone Activation is set to No and Automatic Speakerphone Activation is set to Yes the activation of the speakerphone is delayed until dialing is complete 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Changing Installation Options 2 16 Disable Busyout Feature During Local Loopback Test This option is set by default for Yes The 8400B Plus Data Module will not busyout the DCP line while performing a Local Loopback Test or Local Loopback Self Test Changing this option to No allows the 8400B Plus Data Module to busyout the DCP line when either the Local Loopback or Local Loopback Self Test mode is entered This will cause a busy signal when the set is called The busyout condition is released when the test ends gt NOTE A change in the setting of this option becomes effective immediately when the 8400B Plus Data Module is in the idle mode or as soon as it is returned to the idle mode The 8400B Plus Data Module is in idle mode any time that it is notin a test mode or connected to an active data call Changing Installation Options All seven installation options are set in S register s24 via a number that represents their collective value To accept the default value of Yes for all options leave the value of 0 zero in S register 24 To specify No for only one of the options enter its value see Table 2 1 in S register S24 For example to change Automatic Speakerphone
130. tem s numbering plan with anyone outside the company 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 About This Document k Security Issues XII a Change passwords frequently at least quarterly Set password expiration times and tell users when the changes go into effect Changing passwords routinely on a specific date such as the first of the month helps users to remember to do so Establish well controlled procedures for resetting passwords Limit the number of invalid attempts to access a voice mail to five or less Monitor access to the dial up maintenance port Change the access password regularly and issue it only to authorized personnel Consider using the Remote Port Security Device RPSD a Lucent Technologies product that helps protect your administration and maintenance ports from unauthorized access Create a PBX system management policy concerning employee turnover and include these actions Delete all unused voice mailboxes in the voice mail system If an employee is terminated immediately delete any voice mailboxes belonging to that employee Ifa terminated employee had Remote Access calling privileges and a personal authorization code remove the authorization code immediately If barrier codes and or authorization codes were shared by the terminated employee these should be changed immediately Notify the remaining users as well Ifthe terminated e
131. ter 518 To terminate the test before the test timer expires type The system responds with OK Type AT amp TO The system responds with OK 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Local Loopback Test with Self Test D 5 Local Loopback Test with Self Test This test evaluates the data module s transmit and receive circuitry by having the data module generate test characters internally At the end of the test the 8400B Plus Data Module displays a three digit number indicating the number of errors that occurred during the test If you receive an error count other than zero you may have a defective data module Call the Lucent Technologies Technical Service Center at 1 800 242 2121 gt NOTE Initiating this test disconnects a call if one is in progress 8400B Plus Transmitter Local DTE Test Circuit Receiver IOJ n Figure D 3 Local Loopback Test with Self Test 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Local Loopback Test with Self Test D 6 Performing a Local Loopback Test with Self Test To initiate the test type AT amp T8 This test will continue for the period of time indicated in S register S18 To terminate the test before the test timer expires type AT amp TO The
132. terminator on an AT command line It is also output following all result codes See Also Command Line Set Up on page 3 3 Table C 1 Labels Used in S Registers Label Description Register S4 Description This S register stores the ASCII value for the line feed Range of Values Storable Comments See Also character Value may be 000 through 127 factory default setting is 010 usually output by the key combination from a display terminal no none none 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 12 Table C 1 Labels Used in S Registers Label Description Register 55 Description This S register stores the ASCII value for the backspace character Range of Values Value may be 000 through 032 and 127 factory default value is 008 usually output by the key of the data terminal Storable no Comments The operation of the backspace character is to move the cursor left one character space and on a command line erase the character moved to If command echo is enabled AT command E1 the output of the backspace character is actually three characters backspace space backspace See Also Command Line Set Up jon page 3 3 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 S Registers C 13 Table C 1 Labels Used in S Registers Label Description Register S6 Description This S register controls the bli
133. to potential hacker activity Informed people are more likely to cooperate with security measures that often make the system less flexible and more difficult to use Implement the following general security measures to protect your PBX and discourage the unauthorized use of your communications system Never program passwords or authorization codes onto auto dial buttons Display phones reveal the programmed numbers and internal abusers can use the auto dial buttons to originate unauthorized calls Discourage the practice of writing down passwords If a password needs to be written down keep it in a secure place and never discard it while it is active Attendants should tell their system manager if they answer a series of calls where there is silence on the other end or the caller hangs up Users who are assigned voice mailboxes should frequently change personal passwords and should not choose obvious passwords Advise users with special telephone privileges such as Remote Access voice mail outcalling and call forwarding off switch of the potential risks and responsibilities Be suspicious of any caller who claims to be with the telephone company and wants to check an outside line Ask for a callback number hang up and confirm the caller s identity Never distribute the office telephone directory to anyone outside the company be careful when discarding it Never accept collect phone calls Never discuss your telephone sys
134. tomatic login to a specific remote device Also called script files Command line A string of one or more valid and compatible AT commands typed on one line with any applicable arguments Most command lines begin with the AT prefix and end with a carriage return issued by pressing Command mode An operating mode in which the 8400B Plus Data Module looks at all characters coming from its associated terminal device and attempts to interpret them as commands See alsolon line mode 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Glossary GL 2 Communications parameters See data options Configuration profiles Seeloption profiles D Data Communications Equipment DCE Also called Data Circuit terminating Equipment The equipment that provides the functions required to establish maintain and terminate a data communications connection The DCE also provides any required signal conversion for communication between the data terminal equipment DTE and the telephone line or data circuit Data metering A selectable feature of the 8400B Plus Data Module that allows the device and its associated terminal to operate at a higher speed than the remote system to which it is connected Data mode Seelon line mode Data options For asynchronous data communications these parameters include data transfer speed expressed in bits second or bps and sometimes called baud rate parity data word size or da
135. try standard interface for digital data communications equipment established by the Electronics Industries Association EIA The standard defines the cabling connectors and lead signal assignments used in the interface Formerly referred to as the EIA Recommended Standard RS 232 C EIA TIA 574 The Electronics Industries Association EIA Telecommunications Industry Association TIA nine pin equivalent of the standard ElA 232 D interface H Hayes compatible Of a DCE device using the AT command set and performing in close compliance with the configuration and operating standards established by Hayes Microcomputer Products Inc See alsolAT command set 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Glossary GL 4 I Idle mode An operational mode in which the 8400B Plus Data Module is on hook waiting either for an incoming call or to originate a call L Linked mode An installation option also called With Telephone in which the 8400B Plus Data Module supports both data and voice services O On line mode An operating mode in which the 8400B Plus Data Module transmits all characters coming from its associated terminal device and does not attempt to interpret them as commands Also called data mode See alsolcommand mode Option profiles Seelconfiguration profiles S Script files Seelcommand files Stand Alone mode An installation option also called Without Telephone in
136. ucent Technologies does not warrant that this product is immune from or will prevent unauthorized use of com mon carrier telecommunication services or facilities accessed through or connected to it Lucent Technolo gies will not be responsible for any charges that result from such unauthorized use Lucent Technologies Fraud Intervention f you suspect you are being victimized by toll fraud and you need technical support or assistance call Technical Ser vice Center Toll Fraud Intervention Hotline at 1 800 643 2353 Warranty Lucent Technologies provides a limited war ranty on this product Refer to the Limited Use Software License Agreement card provided with your package CE Compliant The CE mark on this product indicates technical compliance with the European Council EMC Directive 89 336 EEC Federal Communications Commission State ment Part 15 Class A Statement The US Config uration of this equipment has been tested and found to comply with the limits for a Class A digital device pursu ant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harm ful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction man ual may cause harmful interference to radio communica tions Operation of this equipment in a residential area is
137. using a telephone and separate power supply The US Configuration may be installed using the Lucent Technologies 1145A or Lucent Technologies 1145B1 closet power supply The International Configuration may be installed using the Lucent Technologies 1145B1 closet power supply Both configurations are shown in Figure 2 4 This type of installation eliminates the need for the separate power supply 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting the Correct Installation Procedure 2 5 8400B Plus Data Module Rear Endplate F n t f M9 F25 Adapter pp Se use only with 25 pin One Et EIA 232 D Connector Cord EIA 232 D 9 pin or 25 pin Connector Cord KS 22911 L2 fs Power Supply 400B2 Adapter Figure 2 2 Typical Installation of the US Configuration including Telephone and Separate Power Supply 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Selecting the Correct Installation Procedure 2 6 8400B Plus Data Module Rear Endplate ne ee M9 F25 Adapter T use only with 25 pin cot EIA 232 D Connector Cord Telephone Optional EIA 232 D 9 pin or 25 pin Connector Cord D8W AC Outlet Actual connection may vary accordin
138. xpires type The system responds with OK 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Isolating Problems Using Loopback Data Tests Remote Loopback Test with Self Test D 9 To halt the test type AT amp TO The system responds with the error count then the completion signal OK Remote Loopback Test with Self Test This test evaluates the quality of the data transmission channel and the proper operation of the local and remote 8400B Plus Data Modules During this test the local data module generates test characters and transmits these to the remote endpoint where they are looped back to the 8400B Plus Data Module At the end of the test the 8400B Plus Data Module displays a three digit number indicating the number of errors that occurred during the test Failing this test does not necessarily indicate a defective data module It may instead indicate a problem in the communication channel or the remote endpoint If you receive an error count other than zero perform the Local Loopback Test with Self Test to isolate the source of the problem either the local 8400B Plus Data Module the communications channel or the remote endpoint The remote DCE must be configured to loop the characters back to the 8400B Plus Data Module If the remote endpoint is an 8400B Plus Data Module its user must issue an AT amp T4 command This provisions the data module to accept a remote loopback request If the
139. y default for Yes This permits the speakerphone if available to be activated before dialing and allows the user to hear the dial tone and touch tones when the Telephone Provides Dialing option is set to Yes See Telephone Provides Dialing on page 2 13 Setting this option to No causes the speakerphone to be activated after dialing The user can still hear the far end ringing and answering 8400B Plus Data Module User s Guide 555 020 709 Issue 2 November 1996 Installation Installation Options 2 15 gt NOTE This option applies only to voice dial calls and is only valid when the Automatic Speakerphone Activation option see below is set to Yes Automatic Speakerphone Activation This option is set by default for Yes permitting automatic activation of the speakerphone when you use your terminal to dial a voice call Setting this option to No causes the 8400B Plus Data Module to disable the automatic speakerphone feature and necessitate the use of a handset or manual speakerphone activation This option has no effect if the voice terminal does not have a speakerphone When Immediate Speakerphone Activation and Automatic Speakerphone Activation are set to Yes the 8400B Plus Data Module automatically activates the speakerphone at the beginning of the voice call so you can hear dial tone and touch tones gt NOTE To enable this feature the Telephone Provides Dialing option must also be set to Yes When Immedia

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