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Placing a Call

1. amp Hn Data flow control DTE DCE 27 3 5 amp HO Flow control disabled amp H3 Hardware CTS RTS flow control amp H4 Software XON XOFF flow control amp In Dial up leased line options amp I0 Dial up line mode amp Il Leased line mode in B1 channel amp I2 Leased line mode in B2 channel amp 13 Leased line mode in both B1 and B3 channel amp Jn Bundle selection See also S100 S87 5 6 amp JO Bundle connection is disabled amp J1 Bundle connection is enabled in answer mode only amp J2 Bundle connection is enabled in call mode only amp J3 Bundle connection is enabled in both directions amp Kn Modem error control and data compression 27 0 2 amp KO No error control Same as AT amp K amp K1 MNP4 See also 41 0 amp K2 MNP4 MNP5 See also D38 5 41 0 amp K3 V 42 MNP4 amp K4 V 42 V 42bis compatible with amp K2 See also S38 5 amp Knn ISDN data compression control S83 2 amp K must be followed by two digits amp K00 Disable V 42bis or disable reliable PPP amp K44 Enable V 42bis V 120 X 75 PPP STAC PPP amp Ln Modem and a b adapter address ambiguity S84 5 resolution amp LO A B adapter first amp LI1 Fax Modem first amp Mn Synchronous asynchronous mode options S14 6 7 amp MO Asynchronous mode with data buffering amp M1 Asynchronous command synchronous data amp M2 Direct asynchronous mode no dat
2. 49 31 Teletex service Rec F 200 50 32 Information Interworking for Video Services Rec F 300 T 110 53 135 Telex service Rec F 60 56 38 Message Handling Systems MHS Rec X 400 series 65 41 OSI application Rec X 200 series S114 I field data length MSB byte S115 I field data length LSB byte S117 V 110 user rate Bln S118 bit dec hex 0 0 J0 Enable dial in call 1 1 Disable dial in call dial out only 3 0 J0 Disable CHAP option for PPP MLPPP amp E1 8 8 Enable CHAP option for PPP MLPPP 4 0 JO Use 3 1KHz Bearer service whenever possible for internal fax modem 16 10 Use Speech Bearer service whenever possible for internal fax modem 5 0 JO Use 3 1KHz Bearer service whenever possible for a b adapter 32 20 Use Speech Bearer service whenever possible for a b adapter1 6 0 JO Enable analog adapter to accept global calls 64 40 Forbid the analog adapter to accept global calls with MSN unmatched see AT amp ZIn s 7 0 0 Enable analog incoming calls 128 80 Reject analog incoming calls pure ISDN data S119 bit dec hex o 0 0 Disable call back function GC 1 1 Enable call back function 1 0 JO Disable point to point signaling DDI function 2 2 Enable point to point signaling DDI function 2 0 JO Disable point to multipoint signaling DDI function 4 4 Enable point to multipoint signali
3. Use S42 6 to disable RINGING result code Result Code Chart Symbol Reference V Supported Reports the DTE Speed as lt cr gt lt lf gt CONNECT DTE_Speed lt cr gt lt lf gt CONNECT DTE_Speed Protocol DCE_Speed Error_Control Example CONNECT 115200 V120 64000 LABD lt cr gt lt lf gt CONNECT DCE_Speed Error_Code lt cr gt lt lf gt Example CONNECT 64000 ARQ CONNECT DCE _Speed Error_Code Error_Control Example CONNECT 64000 ARQ V42b Result Code Field Descriptions Field Name Possible Values Error_Code NONE ARQ Error_Control LAPB LAPD V42 This field will not show if no error control is negotiated Data_Compression V42b DCE_Speed All possible DCE speeds supported DTE_Speed All possible DTE speeds supported Protocol Only ISDN protocols are listed here X 75 143 Field Name Possible Values X 75M X 75 with MLP Bundle X 75C X 75 with cFos Bundle V110 V120 V120M V 120 with MLP Bundle V120C V 120 with cFos Bundle SLIP PPP BTX Connect Strings for Error Corrected Connections To enable the following numerical ATVO and verbose ATV1 result codes when an error corrected connection is made set S35 bit 7 to 1 ATS35 7 l lt enter gt 144 ATVO ATV1 ATVO ATVI 50 CONNECT CONNECT 24000 51 CONNECT 1200 CONNECT 26400 52 CONNECT 2400 CONNECT 28800 53 CONNECT 4800 CONNECT 31200
4. 57 Answering an X 75 Call There is no need to configure the ISDN mode to the protocol of an incoming call The Elite 2864I will be able to determine the correct protocol to use by examining the data coming in from the remote site if the device is set to auto answer or once an answering command is issued To allow the Elite 2864I to answer the incoming call you need to set SO to a value greater than 0 i e ATSO 1 The Elite 28641 will answer the call and use asynchronous to synchronous conversions to and from the DTE If SO is not set SO 0 the DCE will report RING and will also make an audible ring notification Making an X 75 Call 58 CAPI 1 1a specifies X 75 with T 70 NL as its default CAPI 2 0 specifies X 75 with transparent layer 3 as its default The default data protocol of the Elite 28641 is ATBOO X 75 protocols can be chosen using the following AT commands ATBOO X 75 with transparent layer 3 ATBOI X 75 with T 70 NL The ATBOx commands not only specify the outgoing protocol but also set the default layer 3 for an incoming X 75 call without layer 3 information It is important for both ends of an X 75 connection to execute the same pre assigned layer 3 protocol as it reduces the chance that the Elite 2864I will make the wrong protocol selection For European ISDN DSS1 the Low Layer Compatibility LLC information element in the SETUP message can be used to specify the layer 3 p
5. Nn is the identifier of numbering addressing plan NO unknown default if Nn is omitted NI ISDN numbering plan Rec E 164 The destination_address is the ISDN phone number of the called party The last digit of this number is the EAZ Use ATDL to redial the last dialed ISDN phone number Leased Line ISDN The B channel protocols supported for the leased line are V 110 V 120 X 75 PPP and MP which is selected using ATBxx 87 88 commands as in the dial up mode The following AT commands are used to select the Leased Line function AT amp In normal leased line options 14b2 3 AT amp I0 normal dial up phone line AT amp I1 leased line function in B1 channel only dial up function in B2 channel AT amp I2 leased line function in B2 channel only dial up function in B1 channel AT amp I3 leased line function in both B1 and B2 channels If the leased line mode configuration has been saved as the power on user s profile and upon power on the Elite 28641 will ALWAYS try to make a connection with the remote site using the pre selected protocol B channel B1 or B2 and originate answer mode To change the Elite 2864I from the leased line mode back to the dial up mode in this case one has to reset the modem to factory default settings For some protocols that are originate answer mode sensitive use the following command to configure the originate answer mode AT Mn lea
6. called party They are transferred transparently by the ISDN network between the call originating entity e g the calling user and the addressed entity The outgoing High Layer Compatibility can be controlled by setting the value of S register S 108 n as follows n 0 S108 Setting for internal fax modem n 2 S110 Setting for ISDN data calls n 3 S111 Setting for analog adapter S 108 n Function 0 No High Layer Compatibility info element will be sent default 1 Telephony 4 Facsimile Group 2 3 40 Teletex service Rec F 220 49 Teletex service Rec F 200 50 International interworking for video services Rec F 300 and T 110 53 Telex service Rec F 60 56 Message Handling Systems MHS Rec X 400 series 65 OSI application Rec X 200 series Example ATS111 4 sets Fax compatibility message for Analog Port 1 Bearer Capability and Low Layer Compatibility information elements will be determined when you configure the B channel protocols using the command ATBnn The outgoing Low Layer Compatibility information element can be turned on or off by setting S80 bit n as follows n 4 for internal fax modem n 6 for ISDN data calls n 7 for the analog adapter 80 n 0 Disable outgoing Low Layer Compatibility default 80 n 1 Enable outgoing Low Layer Compatibility Example ATS80 7 0 disables Low Layer Comp
7. 23 0 E0 Echo off El Echo on Hn On off hook control HO Hang up on hook the modem or ISDN same as ATH H3 Hang up the analog adapter Display inquired information I0 Display product code same as ATI Results 28641 USA 28642 DSS1 28643 1TR6 Il Display product information and ROM checksum Results Elite 28641 lt switch gt V x xx Internal fax modem V x xx lt checksum gt where lt switch gt USA DSS1 or 1TR6 12 Display link status report of internal fax modem B Display link status report of ISDN call n 0 255 48 Add threshold for PPP MP Bandwidth On Demand in Kbps unit S126 JSn n 0 255 3268 Sub threshold for PPP MP Bandwidth On Demand in Kbps unit 127 112 JKAxn n 0 63 Add persist time interval for BOD BOD disable S85 1 7 0 if n 0 x M in Minute unit or SGn Second unit JKSxn n 0 63 Sub persist time interval for BOD BOD disable S125 1 0 if n 0 7 x M in Minute unit or SGn Second unit Ln n 0 7 Speaker volume control The higher the value the S24 4 6 4 higher the volume Mn Speaker control S21 1 2 MO Speaker always OFF MI Speaker ON until carrier is detected M2 Speaker always ON M3 Speaker ON after the last digit is dialed out and OFF when carrier is detected
8. 54 CONNECT 7200 CONNECT 33600 55 CONNECT 9600 CONNECT 38400 CONNECT 12000 CONNECT 48000 CONNECT 14400 CONNECT 16800 N N CONNECT 56000 CONNECT 64000 CONNECT 19200 CONNECT 112000 CONNECT 21600 CONNECT 128000 17 Index 1TR6 80 Answering a call 83 Placing a call 79 87 ambiguity resolution 73 83 American ISDN 52 97 116 analog calls answering 73 placing 72 analog calls b 71 ANSI 103 Answering a call 81 1TR6 83 Best effort 83 DSS1 82 Multi Auto Answer 84 using MSN 37 V 110 67 V 120 51 X 75 58 asynchronous 11 AT commands capture commands 105 choose protocol 58 communication modes 34 DES 66 descriptions 109 EPA 106 frequently used 71 multiple 13 register settings 126 result codes 143 result symbols 145 security 91 S Register 128 Tips 12 V 110 68 V 42bis compression 53 ATDI 59 auto answer 58 auto switch 33 36 B channel 54 84 103 116 138 Bunding 43 Bundling 51 52 59 139 changing 35 LED 66 Multi Auto 40 protocol 41 79 Best effort 38 83 BRI 37 51 52 59 80 82 bundle connections 51 60 V 120 51 X 75 59 BZT 71 Called Party Number 75 Called Party Number 75 Called Party SubAddress 75 Calling Party Number 75 77 78 Calling Party SubAddress 75 Canadian User Information iv CAPI 31 58 CCB 52 CCITT 111 119 130 134 Circuit Switched Data See CSD Command mode 11 Communication
9. If you have questions about your ZyXEL product or desire assistance contact ZyXEL Communications Corporation in one of the following ways Phone In North America call between 8 00 AM and 5 00 PM PST at 714 693 0808 Outside North America you can dial 886 3 5783942 EXT 252 between 8 00AM and 5 00PM Taiwan time GMT 8 00 Fax ZyXEL in North America 714 693 8811 or Taiwan 886 3 5782439 E mail e Sales inquiries sales zyxel com in North America sales zyxel hinet net outside North America Technical support support zyxel com in North America support zyxel hinet net outside North America Product information Visit our site on the World Wide Web http www zyxel com FTP Information such as ZyXEL software and ROM updates for North America can be found at this FTP address ftp zyxel com For European versions and related files use the address ftp zyxel co at Postal Service You can send written communications at the following address ZyXEL Communications Corporation 6 Innovation Road II Science Based Industrial Park Hsinchu Taiwan 300 R O C or ZyXEL Communications Inc 4920 E La Palma Avenue Anaheim CA92807 U S A vii Contents ZyXEL Limited Warranty ii FCC Part 15 Information iii Information for Canadian Users iv The declarations of CE marking v Contacting ZyXEL vi 1 Introduction 1 Unpacking Your Elite 2864I 1 Becoming a Registered Owner 2 2 Installation 3 Connecting
10. Sending and receiving data B1 B2 loopback test successed Disconnecting NO CARRIER 4 Windows 95 and NT Setup This chapter contains step by step procedures for installing the Windows 95 and NT drivers configuring a Dial up Network and installing CAPI for the Elite 28641 Installing the Windows 95 Driver INF file Step 1 Open the Control Panel by double clicking the Control Panel icon in your My Computer folder Step 2 Double click Modems then click the Add button The following dialog box will appear weaken all a p OR poet eee Dee Cirasa tee hakt 1 iamen r ariei pa mpini rare Fry bere m Gad ang popem that ray ba og Bes emn Lis Mami shar pa ee sey ia corre E i ii n l a fears il He Comoe Step 3 Select Don t detect my modem I will select from a list Then click Next 19 20 Step 5 Insert the ZyXEL Windows 95 driver disk into your floppy drive and click OK If you have downloaded an updated INF file from ZyXEL s FTP Website or BBS use Browse to find the location of the updated INF file click Open then click OK Chi he serena aj amai oad pia emery UA jal Reape oh rar aai cai pai Pare oa nanan oth ck Hire hak Maki ma a higad Lobe Foe SQREL Fae mia DAAH Eiis SE EDH et TEL EDH sy PPF be pres HOLE TFI DHI grah Si E i pa HT BPEL SDA Ras to PARIER HP ou Sty PETAD Naran Tiina tanis
11. Viewing and Setting S Registers Viewing S registers Setting S registers S Register Descriptions Basic S Registers ATSn x Extended S Registers ATSn x ATXn Result Code Option Table Result Code Chart Symbol Reference Result Code Field Descriptions Connect Strings for Error Corrected Connections 17 Index xii 99 100 101 101 102 102 103 103 104 106 107 107 107 107 108 109 115 116 122 125 125 125 126 128 128 128 143 145 145 146 147 xiii 1 Introduction Congratulations on your purchase of an ZyXEL Elite 28641 ISDN modem one of ZyXEL s premier high performance products The ZyXEL Elite 28641 ISDN modem sets new standards in performance and usability for the explosively growing ISDN Internet and telecommuting markets This universal communication platform supports highly integrated services over ISDN lines without sacrificing connectivity to today s more prevailing analog world For the US Korea and some Nordic countries ZyXEL provides an optional 2B1Q U interface which allows direct connection to the network without the use of an external NT 1 device Unpacking Your Elite 28641 Before you proceed further please check all items you received with your modem against this list to make sure nothing is missing The complete package should include e One 28641 ISDN modem e One power adapter pack e One RJ 11 telephone cable e One RJ 45 ISDN telephone cable e One shielded RS 232 cable
12. ZyXEL 19200 amp N35 ZyXEL 16800 amp N36 ZyXEL 14400 amp N37 ZyXEL 12000 117 118 amp N38 ZyXEL 9600 amp N39 ZyXEL 7200 amp N42 CELL 14400 amp N43 CELL 12000 amp N44 CELL 9600 amp N45 CELL 7200 amp N46 CELL 4800T amp N62 V 34 28800 amp N63 V 34 26400 amp N64 V 34 24000 amp N65 V 3421600 amp N66 V 34 19200 amp N67 V 34 16800 amp N68S V 34 14400 amp N69 V 34 12000 amp N70 V 34 9600 amp N71 V 34 7200 amp N72__ V 34 4800 amp N73 V 34 2400 amp On Set default call type for conventional dialing S83 4 5 commands amp O0 ATDs ATDPs and ATDTs default to make fax modem calls amp O2 ATDs ATDPs and ATDTs default to make ISDN data calls amp O3 ATDs ATDPs and ATDTs default to make calls for the analog adapter amp O1 Autoselection of 64 Kbps and 3 1 kHz on outgoing calls amp Sn Data Set Ready DSR function selection 21 3 amp SO DSR overridden DSR always ON amp S1 DSR according to CCITT ITU TSS See also 41 5 44 4 amp Tn Modem testing amp TO Terminate test in process amp T1 Initiate Analog Loopback ALB test amp T8 Initiate Analog Loopback with self test ALB ST amp T9 Initiate ISDN Loopback test amp T10 Initiate ISDN Loopback with self test amp Vn View profile settings amp VO View current active settings
13. amp V 1 4 View the n 1 th user profile settings amp V5 View factory default settings amp V6 View a b adapter setting amp V8 System resources status amp Wn n 0 3 Write current settings to user profile n in non volatile RAM See also S35 6 amp Yn n 0 2 Break handling Destructive Break clears the S28 2 3 buffer Expedited Break is sent immediately to the remote system For internal modem only amp YO Destructive expedited amp Y1 Nondestructive expedited amp Y2 Nondestructive unexpedited amp Zn s n 0 39 Write phone number s to NVRAM at location n n 0 39 use AT Dn or ATS29 n to set the default dial pointer amp ZIn s n 0 7 Assign the phone number including subaddress s phone if any for various B channel number protocols In answer mode these numbers will be compared with the received called party number and called party subaddress information The call will be accepted using the specific protocol if the assigned number of this protocol matches with the called party number n 0 assigns the phone number for X 75 n assigns the phone number for V 110 n 2 assigns the phone number for V 120 n 3 assigns the phone number for PPP async to syne HDLC n assigns the phone number for ISDN data Multi Auto answering auto detect the protocols n 5 Assign the phone number for PPP async to sync HDLC n 6 Assign the phone number for internal f
14. e One 2864 series modem user s manual e One 2864I ISDN modem user s manual This manual e One 3 5 support disk e One warranty registration card e One Quick Reference guide Contact your dealer or the store where you bought the modem if anything is missing Check the modem for shipping damages If you find any damage contact the shipping agency immediately Retain shipping and packaging materials for future storage or shipping needs Becoming a Registered Owner Complete the pre addressed Warranty Registration Card and place it in the mail Registered owners will receive future product information and update announcements Warranty registration is not necessary for product repair or replacement please also save your dated invoice as proof of purchase 2 Installation This chapter describes the installation procedure for the Elite 28641 ISDN modem Make sure your installation site is clean and well ventilated The ventilation slots of your ISDN modem should not be covered and should be allowed free movement of air Connecting Your Elite 2864I to the Power Supply You will find the following switch and connectors on the back panel of the Elite 2864I 8 Power Outlet Phone Power Supply A L sny ne Bae ISDN Line Printer gt TOS Computer Figure 2 1 Back Panel POWER JACK Input terminal for power adapter There is no power switch on t
15. protected by triple DES B2 B2 channel connection indicator lights up when B2 channel is established Single blink indicates data transmission is protected by Data Encryption Standard DES Triple blink indicates data is protected by triple DES AA Auto answer indicator lights up when the Elite 2864 is in the Auto Answer mode flashes when it rings CD Carrier detect indicator lights up when a valid carrier is detected on the line for fax modem operation For ISDN data calls the LED lights up when a B channel protocol has been established and is ready for data transmission DTR POL DTE mode Data terminal ready indicator lights up when the DTE or Computer indicates that it is ready for communication by raising the corresponding RS 232 signal Printer mode Printer on line indicator indicates the signal status of Select from printer It lights up when the printer is selected and is available for data transfer DSR PSL DTE mode Data set ready indicator lights up when the Elite 28641 is ready for communication Printer mode Printer select signal indicates the signal status of Select In from the Elite 2864 to printer It lights up when printer is enabled to input data RTS PPE DTE mode 10 Request to send indicator indicates the signal status of RS 232 signal RTS from DTE RTS is used for hardware flow control in the case of asynchronous data transmission Printer mode Printer paper end
16. s Service Center refer to the separate Warranty Card for your Return Material Authorization number RMA Products must be returned Postage Prepaid It is recommended that the unit be insured when shipped Any returned products without proof of purchase or those with an out dated warranty will be repaired or replaced at the discretion of ZyXEL and the customer will be billed for parts and labor All repaired or replaced products will be shipped by ZyXEL to the corresponding return address Postage Paid USA and territories only If the customer desires some other return destination beyond the U S borders the customer shall bear the cost of the return shipment This warranty gives you specific legal rights and you may also have other rights which vary from state to state Copyright 1997 by ZyXEL The contents of this book may not be reproduced in any part or as a whole or transmitted in any form or by any means without the written permission of the publisher Published by ZyXEL Communications Corporation All rights reserved Note ZyXEL does not assume any liability arising out of the application or use of any products or software described herein Neither does it convey any license under its patent rights nor the patents rights of others ZyXEL further reserves the right to make changes in any products described herein without notice This document is subject to change without notice Acknowledgments Trademarks mentioned
17. 49 50 Now you are ready to dial the phone number If you need to save the setting into non volatile RAM follow the steps below Type AT amp WO0 lt Enter gt Save the settings to profile 0 Profiles available 0 3 Elite 28641 responds OK Type ATZ0 lt Enter gt Save stored settings as the power on Settings to profile 0 Profiles available 0 3 Elite 2864I responds OK All the above commands can be simplified by combining all of the commands onto one line as follows ATB20 amp 6 amp WZ0 lt Enter gt Dialing in V 120 mode Finally use the ATDn command to make the call n is the phone number you wish to dial Once the connection is made you should see the following connect message CONNECT 115200 V120 64000 LAPD This indicates that the connection is made with the following parameters DTE speed 115 200bps Protocol V 120 Data Speed 64 000bps Error Control LAPD Answering Incoming Calls In most cases there is no need to configure the Elite 28641 to properly answer calls The Elite 28641 is able to decide which protocol to use by detecting the type of data that is coming in All you need to do is set SO to greater than or equal to 1 so the Elite 28641 will automatically answer an incoming call If SO 0 the DCE will simply report RING to your terminal and sound a ring notification Speeds of 128Kbps BRI ISDN consists of three 2B D logical channels Each B chan
18. BE CONNECTED IN THE 2864 THIS CAN BE INDICATED BUT NOT EXCLUSIVELY BY THE FAIL OF TEST SEQUENCE NUMBER 2 OF THE ISDN DAUGHTER BOARD S POWER ON SELF TEST TO CONNECT THE TERMINATING RESISTORS INSIDE THE28641 OPEN THE TOP COVER OF THE CASE AND UNPLUG THEISDN DAUGHTER BOARD IN THE NEIGHBORHOOD OF THE RJ 45 SOCKET THERE ARE TWO JUMPERS LABELED JMP1 AND JMP2 BOTH OF THE JUMPERS SHOULD BE CONNECTED IN ORDER TO MAKE A PROPER IMPEDANCE TERMINATION U Interface Model If you have purchased the Elite 2864IU you can connect the U Interface directly to the wall jack In most cases the ISDN jack installed by the phone company is a RJ 11 jack except in Canada where RJ 45 jack will be installed and the U Interface jack on the back of the Elite 2864IU is a RJ 45 jack A RJ 45 to RJ 45 or RJ 11 to RJ 45 depends on your regional distributor s request phone cable is included with your Elite 2864IU To connect the Elite 2864IU to your ISDN line 1 Connect the RJ 45 connector to the ISDN jack on the back of the Elite 2864IU 2 Connect the other end of the RJ 45 cable or RJ 11 to your wall jack Power On and Self Diagnostics Once you have completed all of the installation steps above turn on the power switch on the power adapter to power up your Elite 28641 A series of diagnostic tests will be performed while the B1 B2 and AA LEDs are blinking If all self tests are OK the B1 B2 and AA LEDs will be in normal state
19. Layer Compatibility LLC information element to identify the V 120 call The Low Layer Compatibility can be controlled by issuing the following commands 80 6 1 Sending LLC for ISDN data call 80 6 0 Not sending LLC for ISDN data call default 55 56 X 75 ISDN Communications This chapter will describe how to set up and configure your Elite 28641 with X 75 protocols It will also describe Data Encryption Standard DES and its application within a growing market of companies and individuals who are concerned with sending and receiving secured messages X 75 was originally designed for packet switched signaling systems in public networks to provide data transmission services But it is now also used as the link layer for telematic services in ISDN These services include both ISDN circuit switched mode DTE DTE communication and ISDN packet switched mode DTE DCE communication The table below shows the specifications of different ISDN protocols V 110 V 120 X 75 Layer 1 80 Bits HDLC HDLC Framing Layer 2 None LAPD LAPB Transparent Layer 3 None V 120 ISO8208 T 70 NL Error Control No Yes Yes V A2bis No Yes Yes Async or Sync Async and Async Only Async Only if used with V Sync Series DTE Bundle No Yes Yes Max Line Async 38 4 64Kbps 64Kbps Speed Kbps Sync 128Kbps 128Kbps 64 Kbps AT Command ATB10 ATB20 ATBOO Configuration Transparent ATBO1 T 70 NL
20. Nn n 0 7 Ring volume control NO will disable the audio S24 0 2 37 ring function O Return to on line state Pn D channel protocol selection USA for American Version PO Northern Telecom proprietary ISDN Pl National ISDN 1 1 SPID P2 National ISDN 1 2 SPID P3 Reserved P4 AT amp T custom point to point P5 AT amp T custom point to multipoint 1 SPID P6 AT amp T custom point to multipoint 2 SPID Qn Result code displayed S23 7 QO Modem returns result code Ql Modem does not return result code Q2 Modem returns result code but quiet after 40 1 answering on a RING will not show in AT amp Vn Sr b n Set bit b of S register r to value n n is a binary digit 0 or I Sr b Display value of bit b of S register r Sr n Set S register r to value n n must be a decimal number between 0 and 255 Sr Display value stored in S register r SPIDn m User enters Service Profile ID SPID for USA switches SPIDO First SPID number SPID1 Second SPID Number if any 113 114 SPID Display the SPID setting s USA only T Repeat last user to user information Europe Tn lt string gt The lt string gt will be sent to the called party via an User user information element in the next message Characters other than the alpha numerical values can be represented by lt nnn gt in the string where nnn is the unsigned value of
21. Phone Number and Sub address 11 Call Control for 1TR6 Old German ISDN 79 Control of Outgoing Service Indicator 79 Control of ENDGER TEAUSWAHLZIFFER EAZ 80 Answering a Call 1 Answering a Call for DSS1 82 Answering a Call for 1TR6 83 Best effort Call Answering 83 Ambiguity Resolution Switch for Voice Calls 83 Multi Auto Answering of Data Calls 84 Data Call Indication 84 Disable inbound call connection 85 Point to Point Configuration 86 Placing a Call 86 Placing a call for DSS1 86 Placing a call for 1TR6 87 Leased Line ISDN 88 12 Security Functions 91 Security Types and Levels 91 Level 1 security 92 Level 2 security 92 Level 3 security 92 Setting and Modifying Passwords 93 Non password Auto Call Back Function 94 13 Upgrading Your Elite 2864I 97 Upgrading with Flash EPROM 97 14 Diagnostics and Protocol Analyzer 99 Diagnostics 99 Power on Self test 99 xi Main board s Self test ISDN Daughter Board s Self test ISDN Loopback test AT amp T9 Loopback with Self test AT amp T10 B1 B2 Loopback with Self test AT amp T11 The Diagnostic Command ATCG Resetting The Elite 2864I Using The Embedded Protocol Analyzer Capturing the Protocol Data Analyzing the Captured Data 15 AT Command Set Reference DTE Interface Operation Modes Simplex mode Multiplex mode AT Command Descriptions Basic AT Command Set Description of ATI3 Output Extended AT amp Command Set Extended AT Command Set 16 Status Registers and Result Codes
22. S register r type ATSr b Setting S registers In order to change the value in S register r to value n use ATSr n range 0 255 In order to change the value in a specific bit b of S register r use ATSr b n range 0 1 In both commands n is a decimal number in the given range While the first command modifies all bits in the S register simultaneously the second command lets you change bit b without affecting other bits in this S register When using ATSr n you need to do a conversion to or from the binary number to find out which bits you manipulate 125 fo NOTE 126 For example if you want to set S38 bit 3 to 1 for a specific application you may either use ATS38 3 1 simple or use the following difficult THE VALUES USED IN THE EXAMPLE BELOW DIFFER FROM THE ACTUAL VALUES IN THE S REGISTER AND ARE USED FOR DEMONSTRATION PURPOSES ONLY Read the value from S38 using ATS38 Convert it to binary using the following weight table Bit Binary value Decimal value Hexadecimal value 0 00000001 1 01 1 00000010 2 02 2 00000100 4 04 3 00001000 8 08 4 00010000 16 10 5 00100000 32 20 6 01000000 64 40 7 10000000 128 80 To set bit 3 to 1 binary do a logic OR operation with the value Operation Example 1 Example 2 Binary Dec Hex Binary Dec Hex 10001000 136 88 01000000 64 40 OR 00001000 8 08 00001000 8 08 10001000 136 88 01001000 72 48 To set bit 3 to
23. Standard CLn n 0 Maximum size of user data in a packet number of 2048 bytes CL Inquire current setting of ATCLn CN lt prefix gt Prefix number string to be added to the Calling party number before indicating to the DTE when the type of number denotes national CPn Loopback 4 control 83 0 CPO Disable Loopback 4 CP1 Enable Loopback 4 CRn n 0 3 _ Resumes a previously suspended call n is the call 0 identifier Europe CSn n 0 3 Suspend a call n is the call identifier Europe 0 CT Clear buffer and start the embedded protocol analyzer Capture data immediately and start timer C Invoke the interpretation function of the embedded protocol analyzer and display the results on DTE Ds Dial s numbers and options that follow see also 38 0 35 4 The options of s are listed as follows Pause for a time specified in S6 Remaining digits will be dialed as in band DTMF W Wait for second dial tone Remaining digits will be dialed as in band DTMF ISDN numbering options YO Unknown type of number Y1 International number Y2 National number Y3 Network specific number Y4 Subscriber number Y6 Abbreviated number ZO Type of sub address NSAP with AFI 50 IA5 characters Z2 Type of sub address user specified A5 characters NO Unknown numbering plan N1 ISDN Telephony num
24. T 70 NL V 120 Error Control No No Yes V 42bis No No Yes Async or Sync Sync Async Async Bundle Yes Note No Yes Max Line 64Kbps 38 4 Kbps 64Kbps Speed 128Kbps Note 128Kbps AT Command ATB11 amp M1 ATB10 ATBO Configuration Sync Data Transparent ATB11 amp M3 I1 ATBO1 T 70 V 25bis Sync HDLC NL ATB20 Note BONDING protocol for synchronous mode will be F W upgradeable at ZyXEL s option Answering a V 110 call Once you set the proper V 110 communication mode either asynchronous or synchronous there is no need to configure the ISDN mode to the protocol of an incoming call The Elite 28641 will be able to determine the correct protocol to use by examining the data coming in from the remote site if the device is set to auto answer or once an answering command is issued 67 To allow the Elite 28641 to answer the incoming call you need to set SO to a value greater than 0 i e ATSO 1 If SO is not set SO 0 the DCE will report RING and will also make an audible ring notification Making V 110 Calls Before the ATDIxxx command is given to place the call you need to make sure that the Elite 28641 is in the asynchronous mode AT amp MO Then use the following commands to configure V 110 AT Command Description ATB10 User rate follows DTE speed see note below ATB13 User rate 2400bps ATB14 User rate 4800bps ATB15 User rate 9600bps ATB16 User rate 14400bps ATB17 Us
25. X4 X5 X6 X7 0 OK VVVVVV VV 1 CONNECT VVVVV 2 RING VVVVVV VV 3 NO CARRIER VVVVVV VV 4 ERROR VVVVVV VV 5 CONNECT 1200 S 6 NO DIAL TONE V VvV V 7 BUSY VVVVV 8 NO ANSWER VVVVV 9 RINGING VVVVV 10 CONNECT 2400 w h S 11 CONNECT 4800 S 12 CONNECT 9600 w h S 14 CONNECT 19200 w S 15 CONNECT 7200 w h S 16 CONNECT 12000 w S 17 CONNECT 14400 w S 18 CONNECT 16800 w S 19 CONNECT 38400 P Ppr p 20 CONNECT 57600 Pr prp 21 CONNECT 76800 w P prp 22 CONNECT 115200 Pp PpP p 23 CONNECT 230400 PpP PpP p 24 CONNECT 460800 Pp PpP p 25 CONNECT 921600 Pp Ppp 26 CONNECT 307200 Pp PpP p 27 CONNECT 153600 Ppr php 28 CONNECT 102400 Pp PpP p 29 CONNECT 61440 P prp 30 CONNECT 51200 Pr php 31 CONNECT 62400 P prp 32 CONNECT 124800 Pp PpP p 33 CONNECT 62400 F 34 CONNECT 41600 w P prp 142 ATV0 ATV1 X0 X1 X2 X3 X4 X5 X6 X7 35 CONNECT 31200 w S 36 CONNECT 249600 P P 37 CONNECT 20800 P P 38 CONNECT 33600 w S 39 CONNECT 28800 w S 40 CONNECT 26400 oh S 41 CONNECT 24000 w S 42 CONNECT 21600 w h S 43 CONNECT 48000 w b S 44 CONNECT 56000 w S 45 CONNECT 64000 w S 46 CONNECT 112000 h S 47 CONNECT 128000 h S
26. Your Elite 28641 to the Power Supply 3 Connecting the Elite 28641 to Your Computer 4 Connecting the Elite 2864I to Your ISDN Line 5 S T Interface Model 5 U Interface Model 7 Power On and Self Diagnostics 7 Elite 28641 Front Panel 8 LED Indicators 8 Front Panel Switches 11 Understanding AT Commands 11 Supported AT Command Types 12 Quick Tips When Issuing AT Commands 13 3 Configuring Your ISDN Line and Network 15 ZyXEL Internet Configuration Software 16 Configuring Your Modem Using a Terminal Program 16 Testing Your Connection 18 4 Windows 95 and NT Setup 19 Installing the Windows 95 Driver INF file 19 viii Configuring Windows 95 Dial Up Networking Configuring Windows NT 4 0 Dial Up Networking CAPI Installation 5 ISDN Communication Basics Outgoing Calls Dialing Out Using ISDN Mode Dialing Out for Analog Adapter Port Dialing out for Internal Fax modem Manually Switching Communication Modes Placing the Call Incoming Calls Digital Data Determining the Packet Length Answering a Call Using MSN Best effort call answering Ambiguity resolution switch for voice calls Multi auto answering of data calls 6 Async to Sync PPP and SLIP Making Async to Sync PPP and SLIP Calls Keeping a Line Connected During Idle Time Answering Async to Sync PPP calls Multilink PPP Making a Call Using Multilink PPP Dialing Pre stored Phone Numbers Bandwidth Allocation Protocol BACP BAP Endpoint Discriminator Call Bumping ST
27. analog incoming calls Default ATS118 7 1 Reject analog incoming calls for pure ISDN data ATS118 6 0 Enable analog port to receive global call i e MSN unmatched or destination address unspecified Default ATS118 6 1 Disable analog port to receive global call ATS89 6 0 To disable the metering pulse for analog port ATS89 6 1 To enable the metering pulse for analog port Placing a Call from the Analog Port Making a call from the analog adapter is as easy as picking up the telephone connected to the analog port and dialing With a terminal program s assistance you can also use the Elite 28641 to dial the number for you Type ATDB714 693 0808 lt Enter gt Dial the number Elite 28641 returns CONNECT Dialing is complete Now just pick up the phone handset and wait for the remote device to answer A busy tone will be heard on the handset if 1 The B channel is unavailable 2 The dialed number is undeliverable 3 The called party is busy This indicates the failure of the attempt to connect To place another call hang up the phone then pick it up again If the called party is being alerted a ring back tone will be heard Accepting an Incoming Call Incoming ISDN calls are directed to the analog adapter if 72 1 Voice calls will be sent to the internal fax modem or analog adapter automatically when received As the manufacture default the call will be sent to the analog adapt
28. channel user data protocols e D channel signaling protocols e DTE DCE protocols The D channel signaling protocols include layer 2 and layer 3 call control protocols Frames and messages exchanged via the D channel are all recorded for further analysis These data messages are essential to understanding interactive operations between an ISDN TA and the ISDN network They contain the compatibility information for the Elite 28641 and your Central Exchange The B channel user data protocols include X 75 and V 120 Only the layer 2 header addresses and control bytes and layer 3 header are captured Since X 75 may be used with various layer 3 protocols e g T 70 T 90 and ISO8208 only the first 8 octets of the information field are recorded as the layer 3 header and are displayed in raw data form The analysis of the protocol data will be carried out by ZyXEL s Technical Support department The DTE DCE protocols at the R reference point according to the ISDN nomenclature include the AT commands responses as well as the CAPI internal interface The CAPI internal interface is used with ZyXEL s CAPI driver The ZyXEL CAPI driver communicates with the Elite 2864I through this internal interface It is not recommended that users get involved in this internal interface The AT commands responses on the other hand are in a standard user interface An analysis of these commands and responses might prove very informative All messages captured b
29. click the Properties button Step 3 From the Remote Access Setup dialogue box select the appropriate COM port and click the Configure button Ba ii Te Step 4 From the Configure Port Usage dialogue box choose the desired call option and click OK 28 me ta incom re Ipli PPP ee z Post Lona m Daa gu andy Step 5 From the Windows NT Start button choose Programs Accessories Dial Up Networking Step 6 From the Dial Up Networking dialogue box click the New button amis mipi chit ire Step 7 From the New Phonebook Entry Wizard dialogue box type a phonebook entry name and click the Next button Step 8 From the Server dialogue box click all options that apply and click Next Step 9 From the Phone Number dialogue box type in the phone number of the dial up server you want to call and click Next Step 10 From the New Phonebook Entry Wizard dialogue box click Finish to save your phonebook entry Step 11 From the Dial Up Networking dialogue box click the More button and scroll down to Edit entry and modem properties 29 30 Step 12 From the Basic tab enter the entry name phone number and choose the RAS port which you want to use If you select the Use Telephony dialing properties checkbox the RAS will use the built in telephony settings to control how it dials the phone Step 13 From the Server tab leave the default setting PPP Windows NT Windows 95 Plus Inte
30. function f NOTE SOMETIMES THE DTE MAY ALSO COMPRESS DATA BY EITHER SOFTWARE OR HARDWARE MEANS THE ELITE 2864 WILL MONITOR THE DTE S ACTIVITIES FOR CCP NEGOTIATION AND WILL DISABLE THE MODEMS COMPRESSION FUNCTION WHENEVER THE DTE HAS A SUCCESSFUL CCP NEGOTIATION 47 48 7 vV 120 ISDN Communications This chapter describes how to set up and configure your Elite 28641 for V 120 ISDN protocol Placing Outgoing Calls Some switches transmit all network signals through the D channel allowing both B channels to be used exclusively for your communication purposes This allows for throughput of 64Kbps per channel This is the case for most European countries However not all switches support out of band signaling at this time For switches that do not support out of band signaling network signals are transmitted through the B channels This reduces the bandwidth to 56Kbps When you are making a V 120 call make sure that the communication supports out of band signaling If it does not you ll need to set your Elite 28641 to 56K mode using the AT amp E1 command AT amp EDO to set it back to 64k mode If your Elite 28641 is on the receiving end you can keep the setting at AT amp EO 64k data mode The Elite 28641 will automatically switch between the two speeds in answer mode Configuring V 120 Mode To configure for a V 120 call type ATB20 lt Enter gt Select V 120 for communication Elite 2864I responds OK
31. in this manual are used for informational purposes only Trademarks are properties of their respective owners FCC Part 15 Information This device complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operations This equipment has been tested and found to comply with the limits for a CLASS B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not iii iv installed and used in accordance with the instructions may cause harmful interference to radio communications If this equipment does cause harmful interference to radio television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by the
32. indicator lights up when printer runs out of paper It indicates the signal status of PE from printer CTS PER DTE mode Clear to send indicator lights up when the Elite 28641 can accept data for transmission Printer mode Printer error indicator lights up when an error condition exists in the printer e g paper empty or not on line It indicates the signal status of Error from printer TXD Transmit data indicator flashes when the DTE Computer is transmitting data to the Elite 28641 RXD Receive data indicator lights up when the DTE Computer is receiving data from the Elite 28641 HLD Call held indicator lights up when the telephone connected to the A B adapter is in Hold condition LNK The Link LED lights up when the link with the local switch is active and flashes when attempting to make a connection LNK is also used as a self test indicator for the internal fax modem initialization OH Hook status of the A B adapter lights up when the telephone handset is picked up off hook flashes when the analog telephone set connected to the A B adapter is used for local voice mode operation play back or record ORG Modem Originate mode indicator lights up when the modem is in originate mode otherwise it is in answer mode Front Panel Switches D V A switch that supports three functions Quick Answer Quick Disconnection and Quick Dial 1 Quick Answer While the modem is ringing and the Auto answ
33. party responsible for compliance could void the user s authority to operate the equipment Shielded RS 232 cables are required to be used to ensure compliance with FCC Part 15 and it is the responsibility of the user to provide and use shielded RS 232 cables Information for Canadian Users The Industry Canada label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operation and safety requirements The Industry Canada does not guarantee that the equipment will operate to a user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly The customer should be aware that the compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment For their own protection users should ensure that t
34. prompt the remote user to enter a call back number The three levels of security are summarized in the table below Level 1 Level 2 Level 3 Level 1 Level 2 Level 3 Password Check Yes Yes Yes CPN Check OK N A Call back and S119 6 0 CPN Check OK NA Keep the and S119 6 1 connection CPN unmatched N A Disconnect CPN not N A Call back using Prompts the remote Available the user to enter call corresponding back number for pre stored calling back number AT Commands GI for Type G2 for Type 1 GS for Type 2 1 G4 for Type 2 G3 for Type 2 Setting and Modifying Passwords 40 user passwords may be defined by AT Hn command where n represents the index to the entry numbers between 0 39 are accepted The corresponding 40 call back numbers are defined by AT amp Zn xxx command where n represents the index to the entry and xxx represents the assigned call back phone number Any character ASCII 0 127 can be used in the password table the maximum password length is 8 characters for each entry The security functions are only accessible through AT commands in terminal mode Supervisory password is required for adding or to modify the entries The default supervisor password is ZyXEL when Elite 2864I is shipped from the factory This supervisory password is sent to the remote if Type 1 security is set at the remote end To modify the supervisor passwo
35. the character The maximum number of characters in the string is 31 for ETSI TO User specific protocol Tl OSI high layer protocol T2 X 244 T3 Reserved for system management convergence function T4 IA5 character T7 ITU TS Recommendation V 120 rate adaption T8 Q 931 user network call control message UPX Upload firmware to the Flash EPROM using Xmodem protocol Vn Sets display type for Result Codes 23 6 Vo Display result code in numeric form See also S35 7 and the result code table of ATXn Vi Display result code in verbose form Xn n 0 7 Result code options see the Options Table 23 3 5 5 Zn n 0 4 Reset modem and set power on profile 15 5 7 Zn Reset modem and load user profile n 0 3 ZA Reset modem and load factory settings Basic command summary help Description of ATI3 Output The Link Status Report output appears as follows ZyXEL ISDN MODEM LINK STATUS REPORT Connect DTE Speed Error Control Level Protocol Link Speed Bytes Received Bytes Sent Cause Cause Value HDLC FCS Error HDLC Receive Over run HDLC Transmit Under run oo ooo Output Parameter Output Value Description Connect DTE Speed Current on line DTE speed Error Control Level Error control protocol used for current session Protocol Link Speed Current on line DCE speed line speed Bytes Received Number of data bytes received from remote Bytes Sent Number of data bytes sent to remote
36. to set it one way or the other Command Description ATVO Select numerical result code ATV1 Select verbose result code 13 14 Configuring Your ISDN Line and Network You are now ready to set up your ISDN network There is a simple utility for Windows 3 x Windows 95 or Windows NT provided by ZyXEL to help you set up the network This set up procedure needs to be done only once The network information will be stored in the non volatile memory of the Elite 28641 Turning the power off will not erase the information The only time you will need to reconfigure your line is when you perform a hardware reset on your modem or when you change options on your ISDN line ZyXEL Pei PEEL Diis DHAS DHI TIH Sat Seboceber Mumbera ax A SDM habii pinsa E uwun et tvi internal FarnfModem aA 1 PPF i O T Anaig Adaptor EO o O het doll grade prt ie eee mer WGH ro sairhed im riura anha O Aradeg Adapim Figure 3 1 Internet Configuration Manager 15 ZyXEL Internet Configuration Software Along with your Elite 28641 you will find a disk labeled ZyXEL Internet Configuration Manager The Configuration utility is an easy way to set up and configure your Elite 2864I without the use of a terminal program To install this software simply run the setup file from the Run line The main menu of the Internet Configuration Manager is shown in Figure 3 1 Press the Help button for instructions on u
37. 0 binary you must invert the value using a logic NOT operation and then do an logic AND operation NOT 00001000 8 08 00001000 8 08 11110111 247 F7 11110111 247 F7 AND 10001000 136 88 01000000 64 40 10000000 128 80 01000000 64 40 Finally using the result decimal value issue an ATS38 n to set the register S Register Descriptions In most bit mapped S registers the default bit value is 0 and only non default situations are described Some reserved bits are for factory use and the user should not change them Values followed by an asterisk are the factory default settings Basic S Registers ATSn x Command Function amp Description Ref S0 Set the number of rings on which the modem will answer 000 0 value disable auto answer Sl Counts and stores number of rings from an incoming call 000 S2 Define escape code character default lt gt 43 dec 043 S3 Define ASCII Carriage Return 013 S4 Define ASCII Line Feed 010 S5 Define ASCII Backspace 008 S7 Set duration in number of seconds modem waits for a 060 carrier S8 Set duration in seconds for pause option in Dial 002 command and pause between command re executions for Repeat gt command S9 Set duration in tenths of a second of remote carrier signal 006 before recognition Ignored if in non FSK or half duplex operation S10 Set duration in tenths of
38. 000 For internal fax modem only 0 1 1 Special MNP compatibility see also amp Kn 827 0 38 5 2 J4 4 Disable retrain abort up to 5 min for S27b6 special satellite line condition Qn 3 8 8 Enable CCITT signals 140 and 141 on EIA 232D interface 4 16 10 In X2 X7 setting modem waits for S6 seconds before dialing and ignores dial tone detection 5 32 20 DSR follows DCD and pulses see also amp Sn 44 4 6 64 40 Force SO gt 2 SO 7 128 80 Ignore calling tone not to be used as fax detection S42 bit dec hex Bit mapped register 000 3 8 8 Disable escape sequence code in answer mode 4 16 10 Disable V 17 14 400 Fax in calling mode no effect to answering mode amp N32 5 32 20 Disable Data Voice button 6 64 40 Disable lt RINGING gt result code Xn 7 128 80 DCD forced on but pulse off for 0 5 amp CO second at carrier loss 43 bit dec hex Bit mapped register 000 0 1 1 Disable ZyXEL 16800 in Multi Auto amp NO mode 1 2 2 Disable ZyXEL 19200 in Multi Auto mode S44 bit dec hex Bit mapped register 000 3 8 8 ATDSn initiates auto dial of the stored DSn numbers consecutively until connection is amp Zn made 38 0 4 16 10 DSR follows DTR see also 41 5 amp Sn S48 bit dec hex Bit mapped register 000 2 J4 4 Enable data CNG calling tone transmission S50 bit dec hex Bit mapped register 000 0 This timer counts wh
39. 1 is connected Type AT lt Enter gt Elite 2864I responds OK This confirms that the modem and your computer are communicating correctly Supported AT Command Types Type of AT Command Example Basic AT Hayes compatible ATBOO Basic AT on line help AT Extended AT amp AT amp NO Extended AT command AT I1 S Register command ATS0 1 S Register bit mapped command set S Register ATS13 1 1 bit 1 equal to 1 S Register inquiry command ATSO Or ATS13 1 You may also browse the list by using the on line help command AT Quick Tips When Issuing AT Commands The ENTER or RETURN key must be pressed to execute a command Multiple AT commands can be combined into one line For example AT amp O2 and ATBO2 can be combined into one line AT amp O2B02 The Elite 2864I processes commands from left to right The AT command that appears to the right might over write the command to the left For example ATB1BO will result in ATBO since both B1 and BO can not co exist If you see duplicate characters for each one you type your Elite 2864I and software both have their echo feature turned on default To eliminate the double characters turn off the software command echo Use A7 to repeat the last command No AT prefix is needed for this command The Elite 28641 supports either verbose result code i e OK or numerical result code i e O You can use ATVn command
40. 232 cable is used to connect the modem s serial port to a computer s regular RS 232 serial port connector If you have an AT type 9 pin serial port connector on your PC a 9 pin female to 25 pin male cable adapter is needed If you have other type of serial port connector like Apple Macintosh s you need a special cable adapter for it The normal PC printer cable will connect the male parallel port connector to a printer s D shell connector Connecting the Elite 28641 to Your ISDN Line The Elite 28641 comes with a choice of two types of ISDN line interfaces S T Interface Model If you have purchased the Elite 2864 you will need an NT 1 device to connect to the network In Europe the NT 1 or NT A B are provided and installed by the telephone company Although there are a lot of NT 1s on the market most of them have two sets of RJ 11 or RJ 45 jacks e One set will be marked Line ISDN Wall or U It should be a single RJ 11 or RJ 45 jack e The other set will be marked Terminal or S T It can be either a single or multiple RJ 45 jack s Before making the connection make sure that the termination is set up properly The termination set up depends on the number of devices connected to the NT 1 and how the devices are connected It also depends on the distance from the device s to the NT 1 Refer to your NT 1 manual for more information When the telephone company installs your ISDN line yo
41. 64I is free for all ZyXEL however will not be responsible for any contrary rules that apply in the countries where the Data Encryption feature is being used It is the sole responsibility of the user to be aware of established rules and regulations in their respective countries regarding the use of Data Encryption Users intending to export the Elite 28641 should investigate and adhere to local export laws fo NOTE For many years the cryptographic protection of data communication has been a matter of importance only to military or government security agencies But during the last two decades with the advance of microelectronics and computer communication technology the following trends may change its significance and application 1 Companies and individual users rely more on data communication to exchange sensitive information Specifically more and more people are using ISDN for LAN to LAN interconnection and Internet services 2 Inexpensive but powerful equipment makes the interception job of wire tapers or hackers easier than before 3 Itis possible now for civilians to employ security practices that can protect against powerful adversaries ZYXEL DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY OF THE SECURITY FUNCTIONS DESCRIBED IN THIS CHAPTER NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS NOR THE RIGHTS OF OTHERS Data Encryption Standard DES DES is a Federal Information P
42. AC LZS Compression 7 V 120 ISDN Communications Placing Outgoing Calls Configuring V 120 Mode Answering Incoming Calls 23 31 33 33 33 33 34 34 35 35 36 36 37 38 39 39 41 41 42 43 43 44 44 45 45 46 46 49 49 49 51 ix Speeds of 128Kbps Identifying Your Line Provisioning Making a Bundled Call with V 120 Dialing pre stored phone numbers Error Correction and Data Compression with V 120 Bundle Connection with V 42bis Data Compression Selecting V 120 for European ISDN DSS1 8 X 75 ISDN Communications Answering an X 75 Call Making an X 75 Call Making a Bundled Call with X 75 Dialing Pre stored Phone Numbers Invoking V 42bis Data Compression Bundle Connection with V 42bis Data Compression Data Encryption Data Encryption Standard DES Manual DES Key Generation Automatic DES Key Generation Control of Data Encryption LED Indicators For Data Encryption 9 V 110 and Synchronous Mode Communications Answering a V 110 call Making V 110 Calls Synchronous Connections 10 Handling Analog Calls Placing a Call from the Analog Port Accepting an Incoming Call Internal fax modem Operations Feature Phone Call Back Broker 51 51 51 53 53 54 55 57 58 59 60 61 62 63 64 64 65 66 66 67 67 68 69 71 72 73 73 73 73 74 11 Advanced ISDN Call Control 75 Call Control for DSS1 Digital Subscriber Signaling 1 75 Control of Outgoing Service Indicator 75 Control of ISDN
43. ATVO see result code table S36 bit dec hex Bit mapped register 000 5 7 Security function control register G3 G4 G5 for both ISDN and Modem call 0 0 Disable security function GO 32 20 Enable type 1 security with password G1 check ZyXEL to ZyXEL only 131 132 64 40 Enable type 1 security with password G2 check and call back ZyXEL to ZyXEL only 96 60 Enable type 2 security with password G3 check 128 80 Enable type 2 security with password G4 check and call back 160 AO Enable type 2 security with password G5 check and call back remote site enter the call back number S38 bit dec hex Bit mapped register 000 0 1 1 Repeatedly dialing default number Dn S29 3 8 8 DCD on off sequence follows UNIX amp C1 standard DCD high before connect 21 4 message is sent DCD off after last DCE response is sent 4 16 10 Auto mode fax receiving disabled amp NO 5 32 20 Disable MNP5 amp Kn S39 bit dec hex Bit mapped register 000 For internal fax modem only 2 4 4 Answer in originating mode ATA 3 8 8 Class 2 Fax Bitfax compatibility FCON at 2400 next phase at 19200 4 16 10 Class 2 Fax mode DTE shifting FCON at current DTE shift to 19 200 when entering into the next phase S40 bit dec hex Bit mapped register 000 1 2 2 No result code displayed in answer mode Q2 S41 bit dec hex Bit mapped register
44. Answer 84 Multilink PPP 43 44 45 46 53 NVRAM 60 120 off line mode 11 operation modes Multiplex 107 Simplex 107 Opgrading 97 outgoing calls See Placing a call Outgoing Service Indicator 79 out of band signaling 49 Passwords 93 Passworsd See Security Placing a call 86 1TR6 79 87 Analog 35 72 DSS1 86 DSS1 75 Phone 1 Port 1 34 Phone 2 Port 2 33 using ISDN mode 33 V 110 68 V 120 49 Bundled 51 X 75 58 PPP 25 35 36 37 40 42 43 44 45 46 53 60 61 80 84 110 120 137 143 146 Pre stored numbers 53 Protocall Anayzer 99 RS 232 iv S T interface 38 83 97 101 S 104 S107 79 S 108 S111 79 Security levels 91 non passwords 94 passwords 93 types 91 Speech Bearer 86 switches AT amp T 5ESS 97 Northern Telecom 52 59 97 113 138 Siemens EWSD 101 TAE adapter 71 TET 86 Terminal Equipment Identifier t 86 Terminal Selection Code 80 U interface 101 V 110 Answering 67 AT Commands 68 Placing calls 68 V 120 Bundled calls 51 configuring 49 error correction 53 European ISDN 55 Placing calls 49 V 42bis data compression 61 voice 83 Voice Calls 83 Warranty ii Warranty Card ii X 75 Answering 58 Bundled calls 59 Placing a call 58 XID 61 66 Xmodem 98 115 147
45. Cause Verbose disconnection reason for the last session Cause Value Numerical disconnection reason for the last session HDLC FCS Error problems on the line Errors in frame block checksum If there were many FCS Errors you may have experienced HDLC Transmit For modem s processor power measurement Under run HDLC Receive Over For modem s processor power measurement run Extended AT amp Command Set Command Options Function amp Description amp Bn Data rate terminal to modem DTE DCE 28 6 amp BO DTE rate follows connection rate See also S44 6 amp B1 DTE DCE rate fixed at DTE setting See also 18 S20 and 44 6 amp Cn Carrier Detect CD options 21 4 amp CO CD always ON See also 42 7 amp C1 CD tracks presence of carrier See also 38 3 42 7 amp Dn Data Terminal Ready DTR options 21 6 7 amp DO Ignore DTR signal assume DTR is always ON amp D1 108 1 DTR OFF ON transition causes dial of the default number See also AT Dn and S48 4 amp D2 108 2 Data Terminal Ready DTR OFF causes the modem to hang up amp D3 Same as amp D2 but DTR OFF causes the modem to hang up and reset from profile 0 amp En B channel line speed for ISDN data call amp EO 64Kbps amp El 56Kbps Default for American ISDN 115 116 amp F Load factory settings to RAM as active configuration
46. DP used by most existing communication software can be mapped onto one of the new dialing commands according to the AT amp O setting as follows AT Command Dial string it will map to AT amp OO ATD ATDT and ATDP are the same as ATDM AT amp Ol1 ATD ATDT and ATDP will place a call for either ISDN data or internal fax modem automatically according to the solicited response of the called party AT amp O2 ATD ATDT and ATDP are the same as ATDI AT amp O3 ATD ATDT and ATDP are the same as ATDB The factory default is AT amp O2 This means the modem will select ISDN data mode when you do not specify which communication mode to use in your dial command i e ATD or ATDT Placing the Call To initiate a call choose the proper communication mode and configure the mode according to the bearer service or protocol you want to use Here are some simple commands that will be useful when placing a call Command Description ATBn Changes ISDN B channel protocol setting ATDL Re dials the last dialed telephone number Incoming Calls When a call comes in it will be carried by one of the following protocols e V 120 e HDLC PPP MPPP or SLIP e V 110 e X 75 or the call may be initiated by an analog device This section will provide some general guidelines for setting up the device for call answer handling Be aware that the Elite 28641 will not automatically answer a call u
47. Elite 28641 User s Manual Version 2 0 ZyXEL ACCESSING INTERNET amp INTRANET 65 020 286403 ii ZyXEL Limited Warranty ZyXEL warrants to the original end user purchaser that this product is free from any defects in materials or workmanship for a period of up to two 2 years from the date of purchase During the warranty period and upon proof of purchase should the product have indications of failure due to faulty workmanship and or materials ZyXEL will at its discretion repair or replace the defective products or components without charge for either parts or labor and to whatever extent it shall deem necessary to restore the product or components to proper operating condition Any replacement will consist of a new or re manufactured functionally equivalent product of equal value and will be solely at the discretion of ZyXEL This warranty shall not apply if the product is modified misused tampered with damaged by an act of God or subjected to abnormal working conditions Note Repair or replacement as provided under this warranty is the exclusive remedy of the purchaser This warranty is in lieu of all other warranties express or implied including any implied warranty of merchantability or fitness for a particular use or purpose ZyXEL shall in no event be held liable for indirect or consequential damages of any kind or character to the purchaser To obtain the services of this warranty please contact ZyXEL
48. IP You should also set the DTE speed based on the bandwidth that the switches support 41 42 Most of the time you will only use this protocol for making calls to remote sites with ISDN LAN Routers If the remote access site you are calling uses a Terminal Adapter such as the Elite 28641 you can use X 75 or V 120 as it provides V 42bis data compression Before making the call check which protocol is set for the ISDN mode using the amp V command to view the settings Type AT amp V lt Enter gt The Elite 2864I responds Current Settings Switch Type DSS1 ISDN Outgoing Service PPP Async to Sync Conv 64K If the settings displayed matches your current setup you are ready to place the call Type ATDI lt remote_access_number gt lt Enter gt Elite 28641 will respond Connect 115000 64000 PPP None Keeping a Line Connected During Idle Time If you are using PPP to access a Server more often than not the Server will have a watchdog timer to monitor the line activity If the idle time exceeds some time interval usually 1 minute the Server will release the connection for other clients to dial in As a user you could be very annoyed in some circumstances since once disconnected you have to dial to the server again and repeat the login procedure The value in register S124 in seconds is used as the idle time gauge If the idle time exceeds this guarding period the Elite 2864I will send out a d
49. It takes about 2 seconds for the calling ISDN TA to send XID and wait until time out If you know in advance that the called site has no V 42bis capability it would be better to issue the AT amp KO00 command beforehand in order to get a quick connection 61 If you are interested in the V 42bis negotiation procedure you can use the embedded protocol analyzer to capture and analyze the exchanged XID frames Bundle Connection with V 42bis Data Compression If both sites have set AT amp K44 to enable V 42bis negotiation then XID frames will be exchanged through the main B channel which corresponds to the call established by the first SETUP message Only one data compression channel will be used in a bundle connection That means the compression is done before packet disassembly and the decompression is done after packet assembly The compression ratio of V 42bis is commonly recognized as up to 4 1 for text files If the line speed is 128K bps then the DTE speed may reach 512K bps This makes the DTE s normal RS 232 serial port unsuitable for bundle applications A special I O card on the computer side is required in this situation Data Encryption 62 PLEASE NOTE In response to customer needs and requirements ZyXEL has taken the initiative to implement Data Encryption into the Elite 28641 Implementation of this public DES algorithm has been arranged exclusively by ZyXEL without violation of any patents Its use with the Elite 28
50. K2 3 3 V 42 MNP4 amp K3 4 4 V 42 V 42bis compatible with amp K2 amp K4 3 5 0 0 Flow control disabled amp HO 24 18 Hardware RTS CTS flow control amp H3 32 20 Software XON XOFF flow control amp H4 40 28 Reserved amp H5 6 7 For internal fax modem 0 0 No response to poor signal quality Q0 64 40 Retrain action taken if signal quality is QI poor 128 80 Adaptive rate auto fall back forward Q2 when signal quality changes S41b2 192 CO Disconnect when signal quality is poor Q3 S28 bit dec hex Bit mapped register 068 0 Reserved 4 5 0 0 No guard tone amp GO 16 10 Reserved amp G1 32 20 1800 Hz guard tone amp G2 7 JO 0 Select V 22 for 1200 bps communication 128 80 Select Bell 212A for 1200 bps communication S29 0 39 0 39 Set default dial phone number pointer use 000 AT amp Zn s to store phone numbers D S31 0 0 FF Holds the ASCII decimal value of the 017 255 XON S32 0 0 FF Holds the ASCII decimal value of the 019 255 XOFF S35 bit dec hex Bit mapped register 1 2 2 Disable aborting from connection during modem handshaking 4 16 10 When Data Voice with is pressed modem Dn will dial the default number S29 5 32 20 SREJ option Enable Selective Reject in V 42 7 128 80 Enable extended numerical result codes VO from 50 71 when an error corrected 23 6 connection is made Use with
51. REQUIRED TO ENTER THE COMPLETE NUMBER STRING FOR THE AT amp ZIN COMMAND THE LAST FEW DISTINGUISHABLE DIGITS WILL BE ENOUGH FOR THE ELITE 2864 TO MAKE THE DECISION TWO PHONE NUMBER STRINGS ARE SAID TO BE MATCHED IF THEIR LEAST SIGNIFICANT N DIGIT S ARE IDENTICAL WHERE N IS THE NUMBER OF DIGITS IN THE SHORTER STRING Normally Called_Party_Subaddress information within the incoming SETUP message is not used by the Elite 2864I to select the protocols or services It just indicates the subaddress if any to the DTE Best effort call answering If some numbers have been set using amp ZIn command as can be seen by the AT amp ZI command and they are not matched with the address of the incoming call the Elite 28641 will by default ignore the call as it may be intended for other devices that share the same S T interface SO bus with the 28641 If you want the Elite 2864 to answer inbound calls using all possible protocols you can set the best effort call answering bit as follows Command Function ATS119 3 0 Answer call only when number matched by default ATS119 3 1 Best effort call answering Ambiguity resolution switch for voice calls For a Speech or voice band data call if the amp ZI number assignment can tell whether the fax modem or the analog adapter is being addressed then the call will be delivered to the proper destination But sometimes ambiguity of address matching may exist
52. Service Indicator for 1TR6 then it is deemed as a bundle request The two data calls are established following normal call control procedures That is the network treats them as two independent calls 59 60 The TA s in the two sites then use X 75 Multiple Link Protocol or cFos channel bundling protocol to coordinate the two B channels The former would need an overhead of two octets for each packet The success of bundle connection initiation is indicated by the connect message reported to DTE as follows CONNECT 460800 X 75M 128K V42b If a B channel is unavailable in any site then the bundle initiation will fall back to single channel connection In this case the connect message will be as follows CONNECT 460800 X 75 64000 V42b Dialing Pre stored Phone Numbers The 40 phone numbers stored in the NVRAM can also be used to place a bundle call e Use ATDSn n 0 39 to dial the n 1 th phone number twice for bundle connections e Use ATDSn n 0 38 to dial the n 1 th phone number for the first connection and to dial the n 2 th phone number for the second connection e Use ATDSn Sm n 0 39 m 0 39 to dial the n 1 th phone number for the first connection and the m 1 th phone number for the second connection The availability of various bundle protocols is outlined below Multiple Link cFos Channel Multilink PPP Protocol MLP Bundling CCB Enable Channel AT amp J3 AT
53. This may happen if the amp ZIn numbers of the various protocols are either unassigned or not matched or the address information is absent in the incoming SETUP message In this case users may wish to set the answering priority for answering a call using the internal fax modem or the a b adapter for external devices The AT amp Ln command sets the address ambiguity resolution flag AT amp LO The a b adapter has the higher priority to answer a voice or voice band data call if the a b adapter is busy the call will be forwarded to the internal fax modem AT amp L1 The internal fax modem has the higher priority to answer a voice band call if the internal fax modem is busy the call will be forwarded to the a b adapter Multi auto answering of data calls When an ISDN data call comes in the Elite 2864I can determine the protocol to be used in one of two exclusive ways 1 By way of the information conveyed by the SETUP message for DSS1 these include the Bearer Capability Low Layer Compatibility or High Layer Compatibility information elements for 1TR6 these include the Service Indicator as well as an Additional Octet of the Service Indicator 39 40 2 Using the Multi Auto answering process The Elite 28641 determines the protocol by monitoring the B channel signal sent by the calling site With either method the data call can be identified by the Elite 2864I to be fax modem X 75 V 110 V 120 or PPP MPPP Async to S
54. a a Step 6 Select the Elite 28641 driver with the protocol that your host is using Generally the samples listed below will work However we recommend that you check with your Internet Service Provider to verify which protocol they use If you are connecting to an Internet Service Provider ISP select ZyXEL ISDN async PPP to sync HDLC If the ISP has not upgraded to an ASCEND compatible server select ZyXEL ISDN X 75 64K0 If you are calling another location such as a BBS system select ZyXEL ISDN X 75 64K0 If you dial up to CompuServe select ZyXEL ISDN V 120 64K0 If you are calling MicroSoft Network s MSN ISDN line select ZyXEL ISDN async PPP to sync HDLC After you have completed the selections above click Next 21 Step 7 Select the COM port your modem is connected to and click Next A final dialog will appear Click Finish You should now see a window similar to the one below Step 8 Clicking Close completes the installation of your Elite 2864I modem driver You may now use programs such as Dial Up Networking with your Elite 28641 22 Configuring Windows 95 Dial Up Networking This section assumes you have already fully installed Windows 95 If you have not installed the Dial Up Networking feature in Windows 95 please install it before you continue Step 1 Double click on the My Computer icon and then double click on the Dial up Networking icon Fr
55. a buffering amp M3 Synchronous mode amp Nn Modem link mode options DTE DCE See S19 also 43 7 S48 1 amp NO Multi Auto auto negotiate highest possible link rate V 34 ZyX 19200 ZyX 16800 V 32bis V 32 V 22bis V 22 and Bell 212A G3 Fax V 17 V 29 V 27ter and cellular modes See also 38 4 43 0 43 1 43 3 and 48 5 amp N1 V 33 14400 12000 models with 4 wire leased line only amp N2 V 33 12000 models with 4 wire leased line only amp N3 V 32 9600T 9600 7200T 4800 amp N4 V 32 9600 7200 4800 amp N5 V 32 4800 amp N6 V 29 9600 models with 4 wire leased line only amp N7 V 29 4800 models with 4 wire leased line only amp N8 V 29 4800 models with 4 wire leased line only amp N9 V 27bis 4800 models with 4 wire leased line only amp N10 V 27bis 2400 models with 4 wire leased line only amp N11 V 26bis 2400 4 wire leased line or 2 wire half duplex See also 35 2 39 5 amp N12 V 23 1200 75 See also S48 3 52 7 amp N13 V 23 600 75 See also S52 7 amp N14 V 22bis 2400 1200 amp N15 V 22 1200 amp N16 V 21 300 amp N17 V 32bis 14400 12000 9600 7200 4800 amp N18 V 32bis 12000 9600 7200 4800 amp N19 V 32bis 7200 4800 amp N24 BELL 212A 1200 amp N25 BELL 103 300 amp N32 G3 Fax V 17 V 29 V 27ter 14400 12000 9600 7200 4800 2400 See also S42 4 amp N34
56. a second modem waits after loss 007 of carrier before hanging up Sll Set duration and spacing in milliseconds of dialed Touch 070 Tones S12 Reserved Extended S Registers ATSn x Command bit dec hex Function and description Ref S13 bit dec hex Bit mapped register 000 For internal fax modem only 127 128 1 2 2 Capture modem manufacturer information during V 42 handshake can be displayed at ATI2 lt Last Speed Protocol gt line if available Flash or ZyXEL stands for ZyXEL connection S14 bit dec hex Bit mapped register 002 o J0 0 Modem auto handshake on Originate mode 1 1 Modem auto handshake on Answer mode S15 bit dec hex Bit mapped register 130 0 1 JO 0 Even parity 1 1 Odd parity 2 2 No parity 2 JO O l stop bit 4 4 2 stop bits 4 3 0 O 10 bit character length CO 8 8 11 bit Cl 16 10 9 bit C2 24 18 8 bit C3 7 5 JO 0 Profile 0 as active settings after power ZO ON 32 20 Profile 1 as active settings after power Z1 ON 64 40 Profile 2 as active settings after power Z2 ON 96 60 Profile 3 as active settings after power on Z3 128 80 Factory default as active settings after ZA power ON S16 dec hex Test status register 000 0 0 No test in progress amp TO For internal fax modem only 1 1 Loopback test in progress amp T1 8 8 Loopback with self test in progress amp T8 F
57. acing a call for DSS1 The ATDx command is used for dialing as follows ATDx Yn Nr called_party_number Zn called party subaddress x I for ISDN data calls M for internal fax modem or B for the analog adapter Yn specifies the type of number YO unknown default if Yn is omitted Y1 international number Y2 national number Y3 network specific number Y4 subscriber number Nn is the identifier of numbering plan NO unknown default if Nn is omitted NI ISDN numbering plan Rec E 164 N3 data numbering plan Rec X 121 N4 telex numbering plan Rec F 69 N8 national standard numbering plan N9 private numbering plan Zn specifies the type of the Subaddress ZO NSAP Rec X 213 with AFI 0x50 IA5 characters default if Zn is omitted Z2 user specified IA5 characters The called_party_number or an appropriate part of it will be sent to the addressed entity The called_party_subaddress will be transferred transparently by the ISDN network to the destination Use ATDL to redial the last dialed telephone number and or Subaddress Placing a call for 1TR6 The ATDx Yn Nn destination_address command is used for dialing as follows x I ISDN data M internal fax modem or B the analog adapter Yn specifies the type of address YO unknown default if Yn is omitted Y1 international number Y2 national number
58. age sent by the Elite 28641 contains no Origination Address W element The command AT amp ZO can be used to list the current settings of the origination EAZs Answering a Call The incoming call will first be identified as either an ISDN data call or a voice call including the voice band data ISDN data calls will be routed to the digital communications portion of the Elite 28641 Voice calls or voice band data calls will be assigned to the analog adapter or internal fax modem Answering a Call for DSS1 The Multiple Subscriber Number MSN supplementary service provides the possibility for assigning multiple ISDN numbers to a single ISDN BRI line Calling users can select via the public network one or more distinct terminals on a BRI line In some areas however it is very expensive to get additional subscriber numbers The Subaddress which is transferred transparently by the ISDN network between the call originating 8 f NOTE 82 entity e g the calling user and the addressed entity can be used for the same purpose as the MSN Since the Elite 28641 is highly integrated and multi functional it can be imagined as a black box that contains multiple distinct terminals Each of these internal terminals can be assigned one ISDN number using the AT amp ZIn xxxx command The number assigned by AT amp ZIn xxxx can be interpreted as either the MSN or the Subaddress This is determined by the bit 5 of S119 as fol
59. amp J3 AT amp J3 Bundling Applicable Data X 75 ATBOn X 75 ATBOn PPP ATB40 Protocols V 120 ATB20 V 120 ATB20 Call bumping No No Yes ATCE1 Multiple Link cFos Channel Multilink PPP Protocol MLP Bundling CCB Bundle Type S100 0 S100 1 S100 1 Selection STAC No No Yes AT amp K44 Compression V 42bis Yes AT amp K44 Yes AT amp K44 No In band Bundle No No Yes Negotiation End Point N A N A Optional Discrimination Invoking V 42bis Data Compression The following AT commands are used to switch the V 42bis data compression on or off for ISDN data calls when using X 75 or V 120 protocols AT amp K44 enable V 42bis on ISDN call AT amp KOO disable V 42bis on ISDN call For X 75 to negotiate compression parameters with the remote ISDN terminal we exchange XID frames before the Link Layer is established The calling site will send an XID frame with V 42bis request to the called site If the called site understands this XID s meaning it will either reply to an XID frame with V 42bis request If it is able to execute V 42bis it will ignore the XID or reply with an XID frame with V 42bis reject or empty information field The calling site will assume that the remote site is unable to execute V 42bis if it gets no reply for a period of time after sending the request XID In this situation normal connection without data compression will be established
60. an be used to test and isolate any hardware problems Some of the tests are interactive operations just follow the indications prompted on the screen to carry out the tests If the Elite 28641 is operating correctly the test results will be as follows atcg 2086 Communication Test Address amp Data Bus Oo 2086 Cl Code Test Layerol Function Jo e essers neim ees os Oo 2086 HDLC FIFO Test A Layer 2 Function J sesa eeee paoa tee O Asic Communication Test DSP Communication O Asic 2 Communication Test HDLC Communication Oo PCM CODEC Test Backward Compatibility O ISDN Layer I Activation Test poore earra e a ON Eas ETS O ow Ringer is active please listen and then OffHook in 5 secends OLLHOOK S detected ieai ean Saeed VA E AR N O ow Dial Tone is active Please Listen and dial 123456789 0 in sequence 123456789 0 Dial Digit Comelered i R bee ele ee Sek ee BOWS Slee ew ON OK Please Hangup Phone OnHOGKk LS dEGECHSYA snes Seren tee ecer dl cas cose sg romero ae ike na tea Se Se bee woudl Bie OK Country code and Codec compatibility test OK Resetting The Elite 28641 The Elite 2864I can be returned to the factory default state in the following way Hold the DATA VOICE key down while turn the unit ON keep holding down the switch for 3 seconds after the power switch is turned ON then release the switch The Elite 28641 will rese
61. and ATEPD can be used to view current setting of the Endpoint Discriminator Address THE ENDPOINT DISCRIMINATOR OPTION IS NOT REQUIRED IN MOST CASES THUS USERS DON T HAVE TO CHANGE THE DEFAULT SETTINGS THE SYSTEM ADMINISTRATOR OF YOUR CORPORATE OR THE INTERNET SERVICE PROVIDER WILL PROVIDE THESE VALUES IF THE ENDPOINT DISCRIMINATOR OPTION IS REQUIRED Call Bumping When call bumping is enabled by default you can place or answer a voice call and only one from a device that is attached to the a b adapter while a Multilink PPP call is active The Elite 28641 automatically removes one of the Multilink PPP connections and uses it for the voice call Once the voice call ends the Elite 28641 automatically reestablishes that channel for Multilink PPP operation The call bumping function can only be effective when the Elite 2864 is in the calling site the client site The following command can be used to select the DCA function ATCEO Disable the call bumping function ATCE1 Enable the call bumping function default STAC LZS Compression The Hi fn previously known as STAC LZS compression negotiated by the Compression Control Protocol CCP is widely supported by ISP s equipment The Elite 28641 also supports this data compression protocol The following command can be used to select the CCP STAC function AT amp K44 Enable the CCP STAC compression function default AT amp KO0 Disable the CCP STAC compression
62. and your ISDN modem is ready for use If you have a communication program loaded and active connected to the same serial port that the Elite 2864I is connected to you should see the DTR LED light up after the self test If the test routine fails the LED flashes Refer to Chapter 14 for more information on self tests and error codes Elite 28641 Front Panel DN ZYXEL Elite 28641 Oo OO O O09 O O on More Than A Modem owe MDM FAX VO SP PRP FCP O O A ORG O O O O O92 Q O9 O O O O Bi B2 AA CD BIR BSR RIS CIS TXD AXD HLD LNK POL PSL PPE PER Figure 2 2 Front Panel LED Indicators PWR Power on indicator lights up when the Elite 2864I s power is turned ON MDM Modem mode indicator lights up when the Elite 28641 operates in modem mode FAX Fax mode indicator lights up when the Elite 2864 is in fax transmission or receiving mode VO Voice mode indicator lights up when the Elite 28641 operates in voice mode SP Serial port active indicator lights up when the Elite 28641 is using the serial port for DTE communication PRP Printer parallel port active indicator lights up when the Elite 28641 is using the parallel port to drive a printer for fax printing PCP Reserved B1 B1 channel connection indicator lights up when B1 channel is established Single blink indicates data transmission is protected by Data Encryption Standard DES Triple blink indicates data is
63. at the calling site when ATB40 B channel protocol HDLC PPP has been selected and the Multilink PPP mode has been enabled by an AT amp Jn command AT amp JO Disables Multilink PPP AT amp J1 Enables Multilink PPP in answer mode only AT amp J2 Enables Multilink PPP in call mode only AT amp J3 Enables Multilink PPP in both call and answer modes By default the Elite 2864I dials the same number for both Multilink PPP connections If the destination you are dialing requires two different telephone numbers to establish a two channel Multilink PPP connection then the following command can be used ATDIphone_number_1 phone_number_2 where phone_number_1 and phone_number_2 are the phone numbers of the destination If the destination refuses the Multilink PPP during the LCP negotiation a single B channel PPP connection will be established Whether or not the Multilink PPP connections have been established the connection message will be the same Dialing Pre stored Phone Numbers Use ATDSn n 0 1 39 to dial the n 1 th phone number twice for both the Multilink PPP connections Use ATDSn Sm n and n 0 1 39 to dial the n 1 th phone number for the first connection and the m 1 th phone number for the second connection For example ATDISO S 1 lt Enter gt will dial the number stored in location 0 and the number stored in location 1 for the MPPP connection Bandwidth Allocation Proto
64. ata carrier see also 38 3 amp C1 Assume DTR always On amp DO 129 130 64 40 108 1 DTR Off On transition causes dial amp D1 of the default number 128 80 108 2 Data Terminal Ready DTR Off amp D2 causes the modem to hang up and return to command state 192 CO 108 2 DTR off causes the modem to hang amp D3 up and reset the modem to profile 0 after DTR dropped 23 bit dec hex Bit mapped register 105 o Jo 0 Command echo disabled EO 1 1 Command echo enabled El 2 JO 0 Insertion is not allowed during a phone call 4 4 Insertion is allowed during a phone call 3 5 0 0 ATXO See result code table 8 8 ATX1 dec hex AT 16 10 ATX2 40 28 X5 24 18 ATX3 48 30 X6 32 20 ATX4 56 38 X7 6 JO 0 Display result code in numeric format see VO 35 7 64 40 Display result code in verbose format V1 7 0 0 Modem returns result code QO 128 80 Modem does not return result code See Q1 also S40 1 24 bit dec hex Bit mapped register 138 0 2 0 7 0 7 Ring volume control increments of 1 in NO 7 decimal 4 6 16 10 x10 0x70 Speaker volume control LO 7 112 700 increments of 16 in decimal value 27 bit dec hex Bit mapped register 156 0 2 For internal fax modem 0 0 No error control amp KO 1 1 MNP4 MNP3 see also S41 0 amp K1 2 2 MNP4 MNPS5 see also 38 5 S41 0 amp
65. atibility messages for the Analog Port Control of ISDN Phone Number and Sub address The Calling Party Number information element identifies the origin of a call and the Called Party Number information element identifies the destination of a call The Calling Party Subaddress information element identifies the Subaddress associated with the origin of a call The Called Party Subaddress information identifies the Subaddress of the destination of a call Each type of outgoing call can be assigned with one Number Subaddress pair by using the command AT amp ZOx s Possible values for x are as follows x I for ISDN data calls x M for internal fax modem x B for the analog adapter The number Subaddress string s is defined as s Y N own number Z7 own Subaddress where Yn specifies the type of number YO unknown default if Yn is omitted Yl international number Y2 national number Y3 network specific number Y4 subscriber number Nn is the identifier of numbering plan 77 NO unknown default if Nn is omitted N1 ISDN numbering plan Rec E 164 N3 data numbering plan Rec X 121 N4 telex numbering plan Rec F 69 N8 national standard numbering plan N9 private numbering plan Zn specifies the Subaddress type ZO NSAP Rec X 213 with AFI 0x50 IA5 characters default if Zn is omitted Z2 user specified IA5 charact
66. ax modem n 7 Assign the phone number for the a b adapter amp ZI Display the phone number including subaddress if any for various B channel protocols 119 120 amp ZOx s Write own phone number including subaddress if any The number specified by amp ZOx will be used as the calling party number while dialing x M fax modem ISDN or B a b adapter amp ZO Display the own phone numbers assigned via the AT amp ZOx s command amp Z Display all the phone numbers stored in NVRAM Extended AT Command Set Command Function amp Description Ref Cn Character length including start stop and parity S 15 3 4 bit CO 10 bit character length Cl 11 bit character length C2 9 bit character length C3 8 bit character length Dn n 0 39 Set default dial pointer at telephone directory S29 location n DO See also 35 4 and S38 0 En Internal modem error control negotiation 21 0 EO If error control negotiation fails keep the non error control connection El If error control negotiation fails disconnect the call hang up Gn Security function selection 36 5 7 GO Disable security function G1 Enable type 1 security with password check ZyXEL to ZyXEL only G2 Enable type 1 security with password check and call back ZyXEL to ZyXEL only G3 Enable type 2 security with password check G4 Enable type 2 sec
67. ber stored in location 0 and the number stored in location 1 for the bundle connection The availability of various bundle protocols is outlined below Multiple Link cFos Channel Multilink PPP Protocol MLP Bundling CCB Enable Channel AT amp J3 AT amp J3 AT amp J3 Bundling Applicable Data X 75 ATBOn V 120 X 75 ATBOn V 120 PPP ATB40 Protocols ATB20 ATB20 Call bumping No No Yes ATCE 1 Bundle Type S100 0 S100 1 S100 1 Selection STAC Compression No No Yes AT amp K44 V 42bis Yes AT amp K44 Yes AT amp K44 No In band Bundle No No Yes Negotiation End Point Discrimination N A N A Optional Error Correction and Data Compression with V 120 With V 120 the default setting is for LAPD error correction only No data compression will be negotiated The following AT commands are used to switch the V 42bis data compression on or off for ISDN data calls when using V 120 protocol AT amp K44 enables V 42bis on ISDN calls 53 54 AT amp KO00 disables V 42bis on ISDN calls With the amp K44 setting the Elite 28641 will try to connect using V 42bis data compression If the remote device doesn t support V 42bis then LAPD error correction will be used When a connection is made using V 42bis compression the following connect message will be displayed CONNECT 115200 V120 64000 LAPD V42b It takes extra time for the cal
68. bering plan CCITT E 164 E 163 N3 Data numbering plan CCITT X 121 N8 National standard numbering plan N9 Private numbering plan Called party sub address delimiters A Don t care no Called Party Number information element in the output SETUP message coming call with any Called Party Number will be granted The Yn Nn called_party_number W inband_d format of tmf_number or n Yn Nn called_party_Numbter Zn called_part y_subaddress or A Zn called_party_subaddress DBs Dial s number and options that follows for the Analog adapter DBn Connection option if the leased line mode is just selected after power on DBI Use B1 channel in originate mode DB2 Use B2 channel in originate mode DB3 Use both of B1 and B2 channel in originate mode 111 DIs Dial s number and options that follows for ISDN data call DL Repeat last ATD command DMs Dial s number and options that follows for the internal fax modem DNr nnn User enters Directory Number nnn USA only DNO First DN Number DNI Second DN Number if any DSn n 0 39 Dial number stored in non volatile RAM at location n 44 3 DSn Sm For placing a bundle call with two separate stored phone number n and m Dnnnt mm m For placing a bundle call with two separate phone number nnn and mmm En Command mode local echo of keyboard commands
69. col BACP BAP The Bandwidth Allocation Control Protocol and Bandwidth Allocation Protocol BACP BAP provides a means for the server site to assign the phone number for the second B channel to the client side TA automatically It can be enabled as follows ATBPO Disable BACP BAP function ATBPI1 Enable BACP BAP function by default Endpoint Discriminator The Endpoint Discriminator option represents identification of the system transmitting the packet This option advises a system that the peer on this link could be the same as the peer on another existing link Some Multilink PPP implementations require the use of the Endpoint Discriminator option The Endpoint Discriminator consists of two components Class and Address The Class field is one octet as stored in S register S85 and indicates the identifier address space Valid values of S85 are assigned as follows Null Class by default Locally Assigned Address Internet Protocol IP Address IEEE 802 3 Globally Assigned MAC Address PPP Magic Number Block Public Switched Network Directory Number MW AIIN o The Endpoint Discriminator Address field is of variable length from 0 to 20 octets and can be assigned by the ATEPD command 45 f NOTE 46 ATEPD lt Octet_1 Octet_2 Octet_3 Octet_n gt Each Octet_i is in the range from 0 to 255 The angle brackets lt and gt are part of the this command The comm
70. connection is enabled in call mode only 60 Bundle connection is enabled in both directions S89 bit hex Bundle and data encryption control DES disabled DES preferred Single DES is alright Triple DES is preferred PKDS on key automatically generated no PKDS keyin the key words SIRI OLNJO R O SIRI OINJO R O Keep connection whether there is DES or not 137 138 Disconnect the call if DES link cannot be established second voice call will be routed to a b adapter if amp L1 is set 10 second voice call won t be routed to a b adapter if amp L1 is set 40 disable the metering pulse enable the metering pulse S100 hex B channel bundling protocol selection Multiple Link Protocol MLP cFossil channel bundling for European Switches only CCB S102 Outgoing ISDN data type Value has the same definition as S82 S103 S104 n dec hex Set number of RING to the a b adapter The call sent to the a b adapter will keep ringing until the call is answered or the calling side on hook n gt 0 dec hex When the RING count has reached the value set n the a b adapter analog call will be re routed to internal fax modem Outgoing Service Indicator for 1TR6 only n 0 internal fax modem n 2 ISDN data n 3 a b adapter Fernsprechen N N a b Dien
71. d Enter supervisory password Ti KK KK Call Back Number TR KK KK OK You will be prompted to enter the supervisory password first The AT VC command can be used to list all the pre stored numbers 95 96 13 Upgrading Your Elite 28641 This chapter describes how to upgrade flash EPROM firmware when it is available Upgrading with Flash EPROM fb NOTE Your Elite 2864I modem employs a flash EEPROM that lets you conveniently download updated firmware and program the modem with new features and enhanced functions If you use Windows you can use the ZyXEL Internet Configuration Manger to upgrade new firmware Otherwise you have to use a terminal program that supports the X modem protocol Obtain the new firmware from ZyXEL s BBS WWW or FTP site The firmware is distributed in file E2864Id vvv where the extension vvv denotes the version of this firmware The modifier d in the filename has the following definitions G German national ISDN 1TR6 E European ISDN DSS1 also used in most other countries including Asian countries A American ISDN AT amp T 5ESS Northern Telecom DMS 100 or National ISDN 1 the active D channel protocol can be chosen by an AT command THE AMERICAN FIRMWARE VERSION SUPPORTS BOTH THE S T INTERFACE AND U INTERFACE MODELS DURING THE POWER ON TEST IT CHECKS THE HARDWARE CONFIGURATION AND FOLLOWS THE INITIALIZATION PROCEDURES OF THE SPECIFIC INTERFACE 1 Ma
72. e Elite 2864I will not remember the Key you used Type ATCK lt DES_Key gt lt Enter gt Example ATCK lt 678901234567890 gt lt Enter gt THE lt AND gt ARE REQUIRED CHARACTERS FOR THE DES_ KEY PARAMETER Use the above example to preset the DES key The DES_Key is a string of printable characters The number of characters in the string should be larger than 15 and less than 65 The AT command interpreter will convert the string DES_Key to a real DES key The Elite 28641 will check to see if the converted key is a weak key for DES if so it modifies the key according to a predetermined algorithm to get a non weak key Both ends of an ISDN link should key in the same DES_Key before a DES ISDN call can be established Failure to do so will cause either an immediate disconnection or an unintelligible connection You can combine the DES_Key with your dialing string when you are making a call or combining it with your answering string when you are answering a call For example When dialing type ATCK lt 678901234567890 gt D6931111 lt Enter gt When answering type ATCK lt 678901234567890 gt A lt Enter gt This way the encryption key is given to Elite 28641 just before it is needed Automatic DES Key Generation The Elite 28641 can also generate the DES key automatically which is selected by the following AT command ATS89 2 0 Use an automatically generated key ATS89 2 1 Use a manually ge
73. e receiver de packetized and sent through the DTE interface back to the terminal or computer s screen Any errors will be displayed on the screen The screen will also show the data you have sent to the modem Loopback with Self test AT amp T10 The AT amp T10 command will invoke an ISDN loopback connection with self test The data is generated by the Elite 2864I and will go through the same path as the above Loopback Test does The data pattern is printable ASCII characters You can see the result on the screen The loop backed data is compared with the transmitted data Should an error happen the LNK LED will start to flash 101 102 Send any character through the DTE interface to the modem will discontinue the test B1 B2 Loopback with Self test AT amp T11 There is an AT command designed for testing the readiness of your ISDN line which uses one B channel B1 to place a call to itself and uses the other B channel B2 to receive the call So this is a modem B1 COUSDN Switch B2 modem loop back test Follow these instructions to make your test call Type AT amp ZOIl your_isdn_number lt Enter gt Elite 2864I responds OK Type AT amp T11 lt Enter gt Elite 2864I responds OK Dial your_isdn_number Loop from B1 to B2 through the switch established Sending and receiving data B1 B2 loopback test successed Disconnecting NO CARRIER The Diagnostic Command ATCG The ATCG command c
74. e two B channels for aggregation we must place two calls with different phone numbers To do this separate the two numbers with a sign after the ATD command ATDI phone_number_1 phone_number_2 lt Enter gt The answering Elite 2864I determines that the call is a bundle request when AT amp J3 is set and two consecutive SETUP messages are received The two data calls are established as one message The phone company s ISDN line splits it off into two messages That is the ISDN network treats them as two independent calls Finally the receiving side receives one bundled message into the computer s serial port The success of a bundle connection initiation is indicated by the connect message reported to the DTE CONNECT 460800 V120M 128K LAPD or CONNECT 460800 V120M 128K LAPD V42b with data compression If you are not using American ISDN you have a choice between Multiple Link Protocol MLP or cFos channel bundling CCB These can be set using the following commands ATS100 0 MLP channel bundling ATS100 1 CCB channel bundling Dialing pre stored phone numbers Use ATDSn n 0 1 39 to dial the n 1 th phone number twice for both the bundle connections Use ATDSn Sm n and n 0 1 39 to dial the n 1 th phone number for the first connection and the m 1 th phone number for the second connection For example ATDISO S 1 lt Enter gt will dial the num
75. en there is no data 255 flow in or out of the RS 232 serial port modem will hang up phone when timed out units is 10 seconds 000 disables timer Note timer is forced disabled in leased line and ISDN Mode S56 bit dec hex 050 0 0 FF Hook flash detected time for a b adapter 255 in units of 10ms S57 bit dec hex 0 3 Reserved 133 134 4 16 10 Enables the reporting of Class 1 capability in the response to FCLASS 5 Reserved 6 64 40 Enables busy detection in dialing period 7 128 80 Report DATA or FAX before showing Connect Message S66 n 0 Dial back repeat counter of security function S71 bit dec hex Bit mapped register 064 0 2 0 5 0 5 ZyXEL fax receive mode select FZF 0 0 Fax to printer hang up if data 1 1 Fax to printer data to serial port 2 2 Fax to DRAM amp printer hang up if data 3 3 Fax to DRAM hang up if data 4 4 Fax to DRAM amp printer data to serial port 5 5 Fax to DRAM data to serial port 4 16 10 Delete DRAM fax file after printed 5 32 20 Keep DRAM fax even it has been retrieved 6 0 0 High speed fax retrieval for ZFAX only 64 40 Slow retrieve process for Class 2 S72 bit dec hex Select printer type 000 0 0 HP LJ II series or compatible PCL Printer 1 1 HP LJ III series or compatible PCL Printer 2 2 POSTSCRIPT Printer 73 bi
76. enables multiple ISDN numbers to be assigned to a single ISDN BRI line It allows the caller to select via the public network one or more distinct terminals from a variety of terminal choices Since the Elite supports many different communication protocols and a analog adapter each of them can be assigned to an ISDN number using the following command AT amp ZInzs where s is the MSN amp ZI0 s assigns MSN s phone number for X 75 amp ZIl s assigns MSN s phone number for V 110 amp ZI2 s assigns MSN s phone number for V 120 amp ZI3 s assigns MSN s phone number for PPP MPPP amp ZI14 s assigns MSN s for ISDN data and fax modem protocol auto detection amp ZI5 s assigns MSN s phone number for PPP MPPP amp ZI6 s assigns MSN s phone number for fax modem 37 fb NOTE 38 AT amp ZInzs where s is the MSN amp ZI7 s assigns MSN s phone number for a b adapter AT amp ZI can be used to display the MSN numbers The factory default for these numbers are UNASSIGNED If an incoming SETUP message is offered with addressing information i e the appropriate part of the called_party_number this address will be compared with the MSN numbers assigned by the AT amp ZIn s commands The call will be accepted using the specific protocol if the assigned number of this protocol matches the received called party number YOU ARE NOT
77. er then the internal fax modem if the analog adapter is busy 2 The MSN is set to AT amp ZIn s where you specify the phone number s the remote user dialed to be sent to a specific 6699 analog adapter n 3 The MSN setting for the phone number in the incoming SETUP message is acceptable to both the internal fax modem and analog adapter the ambiguity resolution bit Bit 5 of S84 or amp Ln is set to 0 analog adapter has the higher priority or 1 internal fax modem has the higher priority Internal fax modem Operations For the internal fax modem s operations refer to the 2864 series modem user s manual Feature Phone ISDN has been designed to support many luxury telephone features Using the ISDN modem s a b adapter even with simple analog telephones the user can enjoy the ISDN features such as call back and broker Call Back You may place your current call on hold and then make another call to a third party Afterwards when the second call is over you may return to the original call To use Call Back follow the instructions given below 1 Press the flash key touch tone only 2 Dial 0 to get a dial tone 73 74 3 Dial the desired number and talk with the third party To return from call back 1 Hang up the handset The phone will ring 2 Pick up the handset and continue your original call Broker You can place your current call on hold while making another call to third pa
78. er function is disabled SO 0 press D V key will answer the incoming call 2 Quick Disconnection While in the connection state of a data call press the D V key to disconnect the call 3 Quick Dial If 35 4 1 AT Dn and AT amp Zn xxxxx are all set press the D V key to place a call using the default number in the phone table O A Reserved Understanding AT Commands Your Elite 2864 by default communicates asynchronously with computers using AT commands AT commands are also used to configure and control your Elite 28641 A command statement is usually sent to the modem by being typed from the computer keyboard Command statements must be written in a specific form in order for your Elite 2864I to recognize them A command statement begins with the letters AT or at followed by one or more commands and then by lt Enter gt AT commands can only be issued when your Elite 2864 is in command or off line mode ll 12 Once your Elite 2864I has established a connection with the remote device it goes into on line mode and the characters sent from your computer are transmitted to the remote device In order to issue an AT command statement you first need to run your communications software and configure it to the port connected to your Elite 28641 Refer to your communications software manual if this is not the case Once the communication terminal program is running and your Elite 2864
79. er rate 19200bps ATB18 User rate 38400bps ATB19 User rate 57600bps Japanese version only The highest Async V 110 user rate depends on bit 4 of S119 as follows S119 4 0 19200 bps S119 4 1 38400 bps for areas other than Japan default S119 4 1 57600 bps for Japanese version If the DTE speed is higher than what has been set the user rate on above table will be used Synchronous Connections Use the following commands to choose the data rate for synchronous operation 68 fa NOTE ATBII1 64000bps ATB19 56000bps There are two modes of synchronous operation 1 Asynchronous commands synchronous data AT amp M1 The Elite 28641 accepts AT commands in asynchronous mode Once the call is connected it enters synchronous mode for data transmission 2 Synchronous mode AT amp M3 I1 The Elite 28641 accepts synchronous commands from V 25 bis or a PC with an add on synchronous card and exchanges data synchronously with a remote TA THE ELITE 2864 DOES NOT SUPPORT NETWORK INDEPENDENT CLOCK COMPENSATION THE SYNCHRONOUS TIMING SOURCE MUST BE SUPPLIED BY THE ELITE 28641 WHICH IS PHASE LOCKED TO THE NETWORK SYNCHRONOUS CLOCK 69 70 10 Handling Analog Calls The analog adapter enables you to connect analog devices e g telephone fax PBX or modem to an ISDN Basic Rate line Any conventional analog telephony equipment which supports DTMF tone pu
80. ermined by in band negotiation sync Bll V 110 user rate 64000 bps sync mode S117 B13 V 110 user rate 2400 bps B14 V 110 user rate 4800 bps B15 V 110 user rate 9600 bps B16 V 110 user rate 14400 bps B17 V 110 user rate 19200 bps B18 V 110 user rate 38400 bps async only B20 V 120 B40 PPP async to sync conversion B41 SLIP to sync HDLC conversion BPn Configuration PPP BACP BAP negotiation BPO Disable PPP BACP BAP 109 110 BP1 Enable PPP BACP BAP CBn Configuration of embedded protocol analyzer 84 1 CBO Disable the capture of B channel protocols CB1 Enable the capture of B channel protocols CCn Configuration of embedded protocol analyzer S84 0 CCO Disable the capture of DTE DCE interface protocols CCl Enable the capture of DTE DCE interface protocols CDn Configuration of embedded protocol analyzer 84 2 CDO Disable the capture of D channel protocols CD1 Enable the capture of D channel protocols CEn Call bumping control for PPP MP and CCB 58 0 CE1 Disable the call bumping function CE2 Enable the call bumping function CG Diagnostics and Hardware test CH Display the accumulated charging unit of the last call Cl lt prefix gt Prefix number string to be added to the Calling party number before indicating to the DTE when the type of number denotes international CK lt DES_key gt Set the key for DES Data Encryption
81. ers The command AT amp ZOx will remove the Number Subaddress assignment The number and Subaddress assigned by AT amp ZOxss if any will be used for Calling Party Number and Calling Party Subaddress information elements respectively while dialing The default settings of the Phone Number and Subaddress of all the types of calls are UNASSIGNED meaning the SETUP message sent by the Elite 2864I contains neither Calling Party Number nor Calling Party Subaddress information elements The command AT amp ZO can be used to browse the current settings of the own numbers and subaddresses Call Control for 1TR6 Old German ISDN In order to initiate an 1TR6 ISDN call two information elements are necessary e Service Indicator e Destination Address 78 The Service Indicator determines what kind of bearer services are desired The Destination Address provides necessary information for the telephone company Central Office CO to direct the call to the remote party Control of Outgoing Service Indicator The Outgoing Service Indicator will be assigned when you configure the B channel protocols using the command ATBnn Since there are a number of combinations of voice or voice band data services on the analog adapters users may want to control the outgoing Service Indicator themselves for some specific applications The following table is recommended to configure 104 S107 Service Indicator and 108 S111 Additi
82. ess radio button and enter your IP address If your host assigns an IP when you log in Dynamic IP then leave the Server assigned IP address checked Most servers assign an IP to you when you log in Click the Specify name server address radio button and enter your primary and secondary DNS Domain Name Server IP In most cases you should leave Use IP header compression and Use default gateway on remote network checked When all of the selections have been made click OK Step 7 This completes the remote connection definition Locate the new connection icon in your Dial up Networking folder and double click on it Pea mein pmm Dii fore Daat Locatian Dufr cova Step 8 If the User name and Password are incorrect or are not there type them in Click on the Connect button and your Elite 28641 will dial the number and establish a connection Configuring Windows NT 4 0 Dial Up Networking This section assumes you have already fully installed Windows NT If you have not installed the Dial Up Networking feature in Windows NT please install it before you continue Step 1 From the Windows NT Start button choose Settings Control Panel Network 27 kbar aam Fraise idam Fedra etek Serer B mg nt Seen E ia irnar lairo Sees 20 ceed PPAP Pring T Hed 005 ambs B Heck Ponce dgani Step 2 From the Network dialogue box select Remote Access Service and click Add then OK Then
83. f tests have been passed the 2864I starts to test the ISDN daughter board and its interface with the main board There are six test items for this test each test takes about half a second The following table is a summary of the ISDN daughter board self tests Test Description Siemens 2086 chip s address data bus test Siemens 2086 chip s functional test Siemens 2160 chip s functional test Interface test 1 with Siemens 2086 chip Interface test 2 with Siemens 2086 chip 100 f NOTE eee dee Interface test 3 with Siemens 2086 chip THE LED LIGHTS UP WHILE TEST IS RUNNING AND BLINKS IF THE TEST FAILS The LNK LED will light up for half a second to indicate the success of the Elite 2864I s power on self test After this the LNK LED will become the normal physical layer layer 1 active indicator ISDN Loopback test AT amp T9 The AT amp T9 command will invoke an ISDN loopback test connection The loopback point is in the S T interface chip Siemens 2086 chip or the U interface chip Siemens 2091 chip just behind the line transformers thus it checks almost every part of the ISDN modem and RS 232 cable except the passive front end of the ISDN S T or U interface During this test data from the terminal or computer is sent through the DTE interface to the Elite 2864I s transmitter and is packetized to the proper frame format according to the B channel protocol selected and then loop backed to th
84. for internal fax modem 6 0 JO Do not send Low Layer Compatibility information for ISDN data call 64 40 Send Low Layer Compatibility for ISDN data call 7 0 JO Do not send Low Layer Compatibility information for a b adapter 128 80 Send Low Layer Compatibility for a b adapter 82 dec ISDN B channel protocol Bn 60 V 120 64000 61 V 120 56000 62 X 75 64000 Transparent 63 X 75 56000 Transparent 64 X 75 64000 T 70 65 X 75 56000 T 70 72 V 110 64000 73 V 110 56000 74 PPP async to sync 64K 135 136 PPP async to sync 56K 76 SLIP to sync HDLC conversion 64K 77 SLIP to sync HDLC conversion 56K S83 bit dec hex Bit mapped register 000 0 Jo 0 Disable loopback 4 test CPO 1 1 Enable loopback 4 test CPI 2 JO 0 ISDN without V 42bis amp KOO 4 4 ISDN with V 42bis if applicable amp K44 4 5 0 0 ATDs ATDPs and ATDTs is mapped to amp O0 ATDMs 32 20 ATDs ATDPs and ATDTs is mapped to amp O2 ATDIs 48 30 ATDs ATDPs and ATDTs is mapped to amp O3 ATDBs 6 JO 0 DOVBS answer using 56Kbps for USA only 64 40 DOVBS answer using 64Kbps 7 JO 0 JISDN data call using nornal Bearer Service for USA only 128 80 ISDN data call using voice Bearer Service S84 bit dec hex 0 2 Embedded protocol analyzer control CCn 1 1 Capture DTE DCE interface protocol information 2 2 Capture the B chan
85. he Elite 28641 the power switch on the power adapter will turn off the power adapter and shut off the power to the modem Always turn off the power adapter before connecting or disconnecting the power jack PARALLEL Parallel port DB25 male connector for connection to a printer fo NOTE SERIAL Serial port DB25 female connector for connection to a DTE serial port computer terminal LINE ISDN RJ 45 terminal jack For the Elite 28641 this is for connection to an SO S T interface while for the Elite 2864IU U interface PHONE A B adapter RJ 11 terminal jack for connection to an analog telephone Plug the power cord into the POWER JACK Connect the power adapter to an electrical outlet DO NOT USE ANY POWER ADAPTER OTHER THAN THE ONE SUPPLIED WITH THIS MODEM USING ANY OTHER POWER ADAPTER MAY CAUSE SERIOUS DAMAGE TO THE MODEM AND VOID THE WARRANTY ALWAYS TURN OFF THE POWER SWITCH ON THE POWER ADAPTER BEFORE MAKING POWER CONNECTION NEVER PLUG OR UNPLUG MODEM S POWER JACK WITH POWER ADAPTER TURNED ON IT MAY DAMAGE YOUR ISDN MODEM Connecting the Elite 2864I to Your Computer The modem has both a parallel port and a serial port connector You can connect the serial port connector to your computer s serial port and connect the parallel port connector to a laser printer If you have the modem set up for auto fax receive and print you only need a parallel port connection to a printer A 25 pin male to female shielded RS
86. he electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electrical inspection authority or electrician as appropriate This digital apparatus does not exceed the class A limits for radio noise emissions from digital apparatus set out in the radio interference regulations of Industry Canada The declarations of CE marking CE This product has been approved for connection to the Public Switched Telecommunication Network using interfaces compatible with ITU TSS recommendation This product complies with the following directives vi 1 The Council Directive 89 336 EEC of 3 May 1992 on the approximation of the laws of the member states relation to Electro Magnetic Compatibility EMC Directive Council Directive 91 263 EEC of 29 April 1991 on the approximation of the laws of the Member States concerning telecommunication terminal equipment The Telecom Terminal Equipment Directive 93 68 EEC of 22 July 1993 amending the Directives 89 336 EEC 91 263 EEC and 92 31 EEC Marking Directive The Council Directive 92 31 EEC of 28 April 1992 amending directive on the approximation of the laws of the member states relating to Eletro Magnetic Compatibility Contacting ZyXEL
87. he information conveyed by the SETUP message for DSS1 these include the Bearer 83 84 Capability Low Layer Compatibility or High Layer Compatibility information elements for 1TR6 these include the Service Indicator as well as the Additional Octet of Service Indicator then the indicated protocol will be used Otherwise the Multi Auto answering process will be invoked The Elite 28641 can monitor the B channel signal sent by the calling site The data call can be identified by the Elite 2864I to be internal fax modem X 75 V 110 V 120 or PPP Async to Sync conversion and MPPP Data Call Indication When ringing the Elite 28641 will send the first RING message to the DTE with a format as follows RING lt CR gt lt LF gt FM Prefix Calling Party Number Subaddress TO Called Party Number Subaddress lt CR gt lt LF gt RING lt CR gt lt LF gt RING lt CR gt lt LF gt The display of address information between the first RING and the second RING can be disabled by setting ATS84 4 1 The term Prefix is a predefined number string to be added in front of the Calling party number before indicating it to the DTE This is useful for some automatic dial back up systems The number string can be assigned as follows ATCI lt Prefix gt When and only when the type of number denotes an international number will this Prefix be added to the Calling party number before indicating
88. is designed for ZyXEL CAPI drivers It can also be used by third parties to develop various drivers on different platforms for public domain or for commercial purposes 107 The commands or data are packetized Each packet has its own destination address All the DTE channels can be accessed individually by way of multiplexing Since it is not intended for all users the specifications and manual for the multiplex mode will be available in a separate text file and will only be available in the electronic format upon request AT Command Descriptions 108 An AT Command is a command in asynchronous data format issued by the computer to the modem through the asynchronous computer modem interface AT Commands control the modem s behavior and actions To send an AT Command from a computer to the modem you must be running a communication software and the modem must be in the command state Exceptions to this are A A gt and These commands are not preceded by AT or followed by any more characters A re executes the last command once A gt re executes the last command once or repeats the last call up to 9 times until aborted by pressing down on any key on the keyboard or front panel or until a successful connection with a remote modem has been made is the escape sequence code that is entered in data state to return the modem to command state The modem will accept AT commands only while it is in comma
89. it to the DTE hy NOTE ATCI lt gt Disables the international number prefix adding function Default ATCN lt Prefix gt When and only when the type of number denotes a national number will this Prefix be added to the Calling party number before indicating it to the DTE ATCN lt gt Disable the national number prefix adding function Default THE ANGLE BRACKETS lt AND gt ARE PART OF THIS COMMAND Disable inbound call connection In some cases the user may require the Elite 2864I not to answer any incoming calls This can be done by setting the bit 0 of S register S118 118 0 0 Enable the Elite 2864I to answer a call default 118 0 1 Disable the Elite 2864I to answer any call default North America model only Point to Point Configuration In some areas since the Direct Dial In DDI number is less expensive than the MSN users may want to subscribe to point to point ISDN to employ the DDI function In this case only one TA can be connected to the ISDN line and the TEI Terminal Equipment Identifier is always ZERO This can be done by setting the bit 1 of S register 119 119 1 0 Disable point to point DDI function default S119 1 1 Enable point to point DDI function 85 Placing a Call 86 To make a call configure the Elite 28641 according to the Bearer Service or protocol you want to use ATBnn for ISDN data call Pl
90. ke sure your Elite 28641 is turned ON 97 98 3 Start any communications program that supports the Xmodem protocol and type ATUPX lt Enter gt Elite 2864I responds You have chosen Xmodem 128 bytes of data with checksum protocol to update your modem Data in Flash ROM will be erased ttt Are you sure Y N 4 Press Y The following message then appears Start programming please upload 5 Use the Xmodem protocol to upload the file E2864Id vvv to your modem This step updates the modem s flash EEPROM with the new firmware When installation is complete the modem will restart automatically In the unlikely event that your modem fails to respond to AT commands after upgrading the EEPROM follow the procedure below 1 Power cycle the Elite 28641 The cold reset will prompt the modem to check the integrity of the codes in the flash EEPROM 2 If proper valid firmware can not be verified the Elite 28641 will initiate Kernel Mode Once it is in Kernel mode you can issue limited AT commands At this point you should return to step 3 of the upgrading procedure 14 Diagnostics and Protocol Analyzer This chapter provides quick easy reference diagnostic tables for the Elite 28641 The Elite 28641 can perform its own diagnostic tests which can provide invaluable information about each of its functions Diagnostics The Elite 28641 ISDN modem provides a full range of diagnostic capabilities For the desc
91. ling ISDN TA to negotiate V 42bis If you know in advance that the called site has no V 42bis capability it would be better to issue the AT amp KO0 command beforehand in order to get a quick connection V 42bis is an international data compression standard commonly used in modem communications This standard provides real time data compression Zy XEL s expertise in data compression has been brought into ISDN applications which are much faster in speed than modem communications Bundle Connection with V 42bis Data Compression If both sites have set AT amp K44 to enable V 42bis negotiation then XID frames will be exchanged through the main B channel which corresponds to the call established by the first SETUP message Only one data compression channel will be used in bundle connection That means the compression is done before packet disassembly and the decompression is done after packet assembly The compression ratio of V 42bis is commonly recognized as up to 4 1 for text files If the line speed is 128K bps then the DTE speed may reach 512K bps This makes the DTE s normal RS 232 serial port unsuitable for bundle applications A special I O card on the computer side is required in this situation Selecting V 120 for European ISDN DSS1 With European ISDN V 120 is an option in the Bearer Capability BC information element which is a mandatory information element in the SETUP message Some CompuServe Providers need to use the Low
92. lows S119 5 0 number is treated as the MSN default S119 5 1 number is treated as the Subaddress The factory default for these numbers are unassigned If an incoming SETUP message is offered with addressing information i e the appropriate part of the called party number or the called party Subaddress this address will be compared with the MSN Subaddress numbers assigned by the AT amp ZIn xxxx commands The call will be accepted using the specific protocol if the assigned number of this protocol matches with the received called party number or called party Subaddress TWO PHONE NUMBER STRINGS ARE SAID TO BE MATCHED IF THEIR LEAST SIGNIFICANT N DIGIT S ARE IDENTICAL WHERE N IS THE NUMBER OF DIGITS OF THE SHORTER STRING USUALLY ONE DIGIT IS ENOUGH TO DISTINGUISH THE VARIOUS PROTOCOLS Answering a Call for 1TR6 If an incoming SETUP message is offered with addressing information i e the destination address W element This address will be compared with the EAZ numbers assigned by the AT amp ZIn m commands The call will be accepted using the specific protocol if the assigned number of this protocol matches with the received address Best effort Call Answering If some numbers have been set using amp ZI command as can be seen by the AT amp ZI command and they are not matched with the address of the incoming call the Elite 28641 will by default ignore the call as it may be intended for other devices
93. lse dialing can be plugged into the RJ 11 socket of the Elite 28641 This chapter will outline the steps you need to take to place and answer analog calls via your ISDN line fb NOTE GERMAN ZYXEL CUSTOMERS THE INNER TWO PINS OF THE RJ 11 ARE USED FOR THE TIP AND RING OR A AND B SIGNALS IN GERMANY THE TWO SIGNALS THAT CONNECT TO A TELEPHONE SET THIS IS THE STANDARD PIN ASSIGNMENT BUT SOME BZT APPROVED TELEPHONES USE THE OUTER TWO PINS FOR A AND B IF THIS IS THE CASE USE THE ATTACHED TAE ADAPTER WHICH HAS A UNIQUE INTERFACE DEFINITION OR USE ANRJ 11 CABLE THAT CONNECTS THE INNER PINS ON ONE END AND THE OUTER PINS ON THE OTHER END The following table shows some of the most frequently used AT commands for your reference AT Command Description ATDBs Dials out for device connects to a b adapter via DTE s represents the number string to dial ATDMs Dials out for internal fax modem AT amp V6 View current setting of the analog port AT amp LO or Assign inbound analog calls to the analog port first ATS84 5 0 AT amp L or Assign inbound analog calls to internal fax modem first ATS84 5 1 AT amp ZI6 s Assign the Called phone number for internal fax modem AT amp ZI7 s Assign the Called phone number for analog adapter ATS56 n Flash timer in 100 ms unit to set maximum duration of ON OFF hook transition to be recognized as Flash 71 AT Command Description ATS118 7 0 Enable
94. modes AT commands 34 Switching 34 Contacting ZyXEL vi CSD 36 D channel 97 103 105 113 138 145 146 Data call indication 84 data encryption control of 66 LED indicators 66 Data Encryption Standard See DES DCA 46 DDI 86 DES 63 Diagnostics 99 Dialing pre stored numbers 53 Direct Dial In See DDI DSS1 58 Answering a call 82 Placing a call 86 DTE 54 DTMF 71 EAZ 80 81 assigning 80 embedded protocol analyzer See EPA ENDGERATEAUSWAHLZIFFER See EAZ Endpoint Discriminator 45 EPA 66 103 104 105 138 error correction 53 European ISDN 55 58 97 FCC Information iii firmware 17 97 98 115 Frame Reject Frame See FRMR FRMR 36 German national ISDN 97 hardware reset 15 HDLC 35 41 44 57 67 115 137 High Layer Compatibility 39 75 76 84 141 inbound calls See Answering a call Disabeling 85 ISDN protocols 67 Kernal Mode 98 LAPD 53 Level 1 security 91 92 Level 2 security 91 92 LLC 58 Loopback 101 110 119 129 Loopback test 101 Low Layer Compatibility 39 55 58 75 76 84 See LLC making a call See Placing a call metering pulse 72 MLP 52 53 59 60 139 145 146 MLP Multiple Link Protocol 52 mode command 11 off line 11 modes 64k data 49 answer 44 49 59 109 117 133 134 139 asynchronous 69 channel bundling 51 synchronous 69 V 110 67 V 120 49 MPPP 35 36 37 40 43 45 80 84 MSN 21 37 38 43 73 82 86 142 143 Multi Auto
95. nd state The AT command prefix may be typed in either upper AT or lower case at Do not use a combination of upper and lower cases in the prefix The following tables list all of the AT commands supported by the Elite 28641 An asterisk following a command option or value indicates that it is a default setting when the modem is shipped Basic AT Command Set Command Options Function amp Description Ref Al Re execute the last command once A gt Re execute the last command once or repeat the last call up to 9 times See also S8 lt any key gt Terminate current connection attempt when enter in handshaking state Escape sequence code entered in data state wait for modem to return to command state All the Following Commands Require an AT Prefix A Go on line in answer mode See also 39 2 43 6 ABn Bl Excite a leased line connection using B1 channel on answer mode B2 Excite a leased line connection using B2 channel on answer mode B3 Excite leased line connection using B1 and B2 channel on answer mode Bn For internal modem Handshake option 28 7 BO Select CCITT V 22 for 1200 bps communication Bl Select Bell 212A standard for 1200 bps Bnn Select ISDN Teleservice S82 B must be followed by two digits 102 BOO X 75 Transparent BOI X 75 T 70 B10 V 110 user rate follows DTE speed async or V 110 user rate det
96. nel X 75 or V 120 frames 4 4 Capture the D channel protocol information 3 0 0 Display S register value in decimal format 8 8 Display S register value in hex format 4 0 JO Indicate Caller ID after the 1st RING message 16 10 Disable Caller ID indication 5 0 0 Ambiguity resolution bit A B adapter first amp LO 32 20 Ambiguity resolution bit Fax Modem first amp L1 S85 bit dec hex o Jo 0 Call bumping function disabled CEO 1 1 Call bumping function enabled CE1 1 6 0 Add persist time interval KAXn 0 0 S85 1 6 is in second unit KASn 80 85 1 6 is in minute unit KAMn S86 hex D channel protocol selection USA The following number is valid only for American version Northern Telecom proprietary ISDN National ISDN 1 1 SPID mode National ISDN 1 2 SPID mode Reserved AT amp T proprietary point to point MW BR WN o AT amp T proprietary point to multi point 1 SPID mode lon AT amp T custom point to multipoint 2 SPID mode S87 hex CHAP PAP for authentication conversion PAP only for authentication conversion oj Ao result code 46 for X7 is CONNECT 112K result code 47 for X7 is CONNECT 16 10 Result code 46 for X7 is CONNECT 112000 Result code 47 for X7 is CONNECT 128000 Bundle connection is disabled amp Jn 20 Bundle connection is enabled in answer mode only 40 Bundle
97. nel can be used independently for a dial up connection running at 56Kbps or 64Kbps bits per second The two B channels can be used together for a single data connection to provide 112K with In Band Signaling or 128K when Out of Band Signaling is used This is a a Bundled Connection different from BONDING Identifying Your Line Provisioning For bundled connections the two B channels of your ISDN line must be able to handle data circuit switch connections with unrestricted 64K or 56Kbps line speeds Two separate data calls will be established consecutively Making a Bundled Call with V 120 A bundled V 120 connection is initiated at the calling site when ATB20 B channel protocol V 120 has been selected and the channel bundling mode has been enabled by an AT amp J3 command The channel bundling command AT amp J3 must be set on both the calling and receiving sides otherwise a single channel connection will be made 51 52 Type ATB20 lt Enter gt Set B channel protocol to V 120 AT amp J3 lt Enter gt Set the Elite 2864I to make a bundled call Type AT amp WZ lt Enter gt If you want to save the setting Once this is done the ATD command will generate two consecutive SETUP messages to invoke bundle initiation For the Northern Telecom switch each BRI phone number can only be called once at any given time So if you dial this number it will report busy to any other incoming calls In order to us
98. nerated key Control of Data Encryption The AT commands to control the data encryption are as follows S Register setting Description ATS89 0 1 DES is desired ATS89 0 0 DES is disabled Default ATS89 1 1 Triple DES is preferred ATS89 1 0 Single DES is preferred Default ATS89 2 0 Use an automatically generated key ATS89 2 1 Use a manually generated key The DES request as well as any key distribution parameters are exchanged via XID frames in the same way as V 42bis negotiation Interested users can use the embedded protocol analyzer to examine the structure of XID frames Both V 42bis and the data encryption functions can be invoked simultaneously for an ISDN 65 66 data call But the DES can not be used for bundle connections due to the limitation of computing resources LED Indicators For Data Encryption The B channel LED indicator B1 or B2 lights up when the B channel is connected A single blinking LED indicates that data transmission is protected by Data Encryption Standard DES A triple blinking LED indicates that data is protected by triple DES V 110 and Synchronous Mode Communications V 110 is most popular in Japan The table below shows the specifications of different ISDN protocols Synchronous V 110 X 75 V 120 Layer 1 Transparent 80 Bits HDLC Framing Layer 2 None None LAPB LAPD Layer 3 None None ISO8208
99. ng DDI function 3 0 10 when no MSN EAZ is matched the inbound call will be ignored 8 8 when no MSN EAZ is matched enter multi auto mode to detect protocol 4 JO 0 V 110 user rate 19200 bps if DTE speed greater than 19200 bps 16 10 V 110 user rate 38400 bps if DTE speed greater than 38400 bps 5 0 0 Enable normal MSN function amp ZIn 32 20 Treat the number assigned by amp ZI n as sub address and match with the called_party_subaddress for inbound call routing 120 o 0 0 Enable POTS port call out 1 1 Disable POTS port call out 124 dec hex Empty IP packet interval for PPP 000 0 0 FF Units of 1 sec 255 125 bit dec hex 1 6 O Sub persist time interval KSxn 7 0 0 S125 1 6 is in Second unit KSSn 128 80 S125b1 6 is in Minute unit KSMn 126 dec hex Add threshold for BOD JAn 4 8 0 _ 0 FF in Kbps unit 255 127 dec hex Sub threshold for BOD JSn 3 2 0 _0 FF in Kbps unit 255 Bit S register bit number b used in ATSr b n and ATSr b dec Decimal value x used in ATSn x hex Equivalent Hexadecimal value nnn Factory default when listed in Reference column 141 ATXn Result Code Option Table The following table shows the different options available when setting the ATXn command The default value for n is 5 when the Elite 28641 is shipped ATV0O ATV1 X0 X1 X2 X3
100. nless S register S0 is set to a value greater than 0 zero If S register SO 0 the Elite 2864I will only report RING to your terminal program It can also respond with an audible tone that will allow you to decide whether or not you should to take any action When an ISDN data call comes in the Elite 28641 will try to negotiate a connection using the proper ISDN protocol When an analog call comes in the Elite 28641 will send the call to the analog port or the internal fax modem 35 36 Digital Data The Elite 28641 currently supports Circuit Switched Data CSD for ISDN data applications The CSD protocols supported by the Elite 2864I include PPP MPPP V 120 X 75 and V 110 PPP is the most popular protocol used in North America it is used by most of Internet service providers Once the Elite 2864I answers a call it will examine the incoming data to determine which protocol to use and automatically switch to this mode This operates transparently to the user In addition to the internal fax modem the Elite 2864 is able to auto switch for PPP MPPP V 120 X 75 V 110 and above protocols over speech channel In most cases you can rely on the auto switching feature for your applications If you need more specific settings for answering calls refer to the section entitled Answering a Call Using MSN found later in this chapter Determining the Packet Length User information is sent on a frame by frame basis for mo
101. of any brand Site only Password Check Automatic Interactive Protocols Supported X 75 V 120 Any data protocol AT Commands G1 for Level 1 security G3 for Level 1 security G2 for Level 2 security G4 for Level 2 security G5 for Level 3 security 91 92 Level 1 security Will only perform password checking With Level 1 security the local modem will maintain the connection if the password is matched the line will be disconnected otherwise Level 2 security Provides extra Calling Party Number checking and call back the call back number is pre stored in the password table If the password has been matched in a maximum of 3 tries over a 40 second time period with its pre stored password list the local modem will check the Calling Party Number CPN or Origination Address for 1TR6 against the pre stored number corresponding to the password If they are matched the local modem will choose either to keep the connection or to disconnect and then call back according to the setting of bit 6 of S119 119 6 0 Disconnect and then call back 119 6 1 Keep the connection If the CPN does not match with what is stored in the table the local modem will disconnect the call If CPN is unavailable in the SETUP message the local modem will disconnect the call and then call back using the pre stored number corresponding to the dial in password Level 3 security Once the password is matched the local modem will
102. om within the Dial up Networking folder double click on the Make New Connection icon Tate heie bar the aare pa sae chao Step 2 Choose a name for your connection and select your modem type from the drop down window Then click on the Next button 23 Step 3 Type the phone number of your ISP or whatever host you will be calling Click on the Next button Click on the Finish button A new icon is created in the Dial up Networking folder Step 4 Right click on this icon then select Properties from the menu 24 Step 5 Make sure your Elite 2864I appears in the Connect Using box Then click on the Server Type button These options are mostly host or server specific e If you are using PPP use the default settings shown above e If you are connecting to a LAN then select Login to Network 25 26 e If you are logging on to a Microsoft Windows network select NetBEUI e If you are logging on to a Novell network then select IPX SPX Compatible e If you are logging on to an Internet connection then select TCP IP Step 6 Click on TCP IP Settings D baea mirei F akini Saree nyed nares mrena accra FP ppa renga omne hbs Pira p L peran Saria cD b P UsiP harda peroo FF edik gisa onies naiak Ca J ma If your host requires you to specify an IP address Static IP then click on the Specify an IP addr
103. onal Information Octet according to the terminal types Service Indicator Addi S I S107 analog adapter S111 analog adapter S104 internal fax modem S108 internal fax modem Telephone 1 Fernsprechen 1 3 1 KHz Modem 2 analog dienste 3 Daten Uber Modem or 4 Btx Uber Modem G3 Fax 3 analog dienste 2 Fax Gruppe 3 Control of ENDGERATEAUS WAHLZIFFER EAZ EAZ or Terminal Selection Code is the last digit of an ISDN phone number in 1TR6 Usually EAZ 0 indicates that a global call any terminal on the SO interface which is service compatible with the incoming call can answer the call Other values of EAZ 1 2 9 provides the possibility for assigning multiple ISDN numbers to a single ISDN BRI line A calling user can select via the public network one or more distinct terminals on a single BRI line 79 fs NOTE 80 With its highly integrated multi function features the Elite 28641 can be imagined as a black box containing multiple distinct terminals Each of these internal terminals can be assigned one EAZ using the command AT amp ZIn m where n 0 7 and m 0 9 Command Function amp Z10 m assigns EAZ for X 75 amp ZIl m assigns EAZ for V 110 amp ZI2 m assigns EAZ for V 120 amp ZI3 m assigns EAZ for PPP MPPP amp Zl4 m assigns EAZ for ISDN data protocol auto detection amp ZI5 m assigns EAZ for PPP MPPP amp ZI6 m assigns EAZ fo
104. or ISDN data call only 9 9 Loopback test in progress amp T9 10 JA Loopback with self test in progress amp T10 S18 dec Force modem or TA to fix baud rate when 000 idle 0 Disable fixed baud function n l Enable baud rate fixing at idle n 0 15 baud rate value settings n the same as S20 value S19 dec hex Modem connection mode 0 73 0 49 Same setting value as AT amp Nn command 000 S20 hex DTE speed bps Auto detected from AT Command 003 230400 bps 115200 bps 76800 bps 57600 bps 38400 bps 19200 bps 16800 bps 14400 bps CO D MY BR WD NO R oO 12000 bps O 9600 bps mi 7200 bps p 4800 bps N 2400 bps Ow 1200 bps D 460800 bps nN Am SOA Slololnl alata yoy eS 300 bps S21 bit dec hex Bit mapped register 178 Maintain non error control connection when modem error control handshake fails EO j Drop connection when modem error control handshake fails El 1 2 Speaker always Off MO Speaker On until carrier is detected MI Speaker always On M2 AIAINIO Speaker On after last digit is dialed out until carrier detected M3 DSR always On amp SO According to CCITT see also 44 4 S41 5 amp S1 CD always On amp CO CD tracks presence of d
105. r internal fax modem amp ZI7 m assigns EAZ for analog adapter The default EAZ of each protocol is as follows amp ZI0 1 for Data amp ZI4 2 for Data amp ZI6 3 for internal fax modem amp ZI7 4 for the analog adapter AT amp ZI can be used to display the EAZ numbers assigned by the AT amp ZIn m commands The EAZ last digit of the destination address in an incoming SETUP message will be checked with each protocol s EAZ If there is a match and the service indicated is compatible with this protocol the call will be accepted using the protocol THE EAZS MUST BE ASSIGNED PRECISELY IN ORDER TO ACCEPT CALLS ACCORDINGLY The suffix digit to an ISDN phone number in a dial out command will be used as the destination EAZ in the Destination Address W element in the SETUP message sent to the destination If this suffix digit is omitted the switch will assume the EAZ is 0 Each type of outgoing call of the Elite 28641 can be assigned with one origination EAZ by using the command AT amp ZOx Origination_EAZ where x I for ISDN data calls M for internal fax modem and B for the analog adapter The command AT amp ZOx removes the assignment of the origination EAZ The number assigned by AT amp ZOx Origination_EAZ if any will be used for the Origination Address W element while dialing The default settings of origination EAZ of all the types of calls are UNASSIGNED meaning the SETUP mess
106. rd use AT HS 93 You will be asked for the original password and a new password and then to re enter the new password for verification For example Password PERE EES Enter current supervisory password Password EREEREER Enter new supervisory password Verify a RAR Enter the new supervisory password again OK Use command AT Hn to modify the n th user password You will be prompted to enter the supervisory password first and then the user s password for this entry will be requested and verified The command AT V will list the 40 user passwords and the supervisor password on the screen for viewing Non password Auto Call Back Function 94 In addition to the standard modem like security functions described in the previous section the Elite 2864I provides another simpler call back function The Calling Party Number origination address will be checked against the 5 pre stored call back numbers before the B channel is connected If the CPN is matched with any one of the numbers the incoming call will be rejected without connection hence without any charge and the Elite 28641 will automatically call back using the matched phone number This function can be controlled by using the following command AT GCO disable the auto call back function default AT GC1 enable the auto call back function The pre stored numbers can be set using the following command AT HCn xxxx n 0 1 4 Passwor
107. ription of those diagnostic functions that are exclusively for the internal fax modem refer to the 2864 Series Modem User s Manual Power on Self test At each power up or upon a reset command from the panel the modem will test the main board s ROM code checksum system RAM memory DSP code checksum DSP RAM memory EEPROM digital circuits and analog circuit calibrations The 28641 will also test the ISDN daughter board to make sure that the interface circuits are ready to serve Main board s Self test The HLD LED will be ON during power on main board self test and OFF after the test if it is OK The LNK LED flashes if the test fails The number of blinks indicates the kind of error as seen in the following table 99 1 ROM code checksum error 2 System RAM fail 3 EEPROM checksum error The factory default settings will be downloaded to the EEPROM and the self test will be re initiated This is not a real error 4 The testing of DSP RAM fails Condition A 5 The testing of DSP RAM fails Condition B 6 Analog circuit calibration error VO calibration fail 7 Analog circuit calibration error VR calibration fail 8 Analog circuit calibration error FR calibration fail 9 Communications between controller and DSP fail Condition A 10 Communications between controller and DSP fail Condition B ISDN Daughter Board s Self test Once the main board s sel
108. rnet as the Dial up server type Enable the proper protocols Select the TCP IP Settings button to set the IP address and name server information Bus Soe fom tom KS Eug pane ypa Heak pacioceii F jirar TEP Ar Seting D USEN ona T hena F rabie s nger earen Fe Enable PPP LCP ciami E leet herie gopaon E Um dra pisay oiean roi pi cored Step 14 From the Script tab select the proper login procedure and click OK Step 15 The RAS is ready to dial From the drop down list select the phonebook entry to dial phone number and the location dialing from You can modify several options in More When you are finished click Dial CAPI Installation Follow the steps below to install the ZyXEL Internet Configuration Manager and ZyXEL CAPI drivers 1 From the Win95 Start button choose Run 2 From the Run dialogue box type A Setup exe and click OK 3 From the ZyXEL ISDN Installation dialog box choose the appropriate CAPI driver and click the Install button ARMEL MOUN Inetalistion lisi j OOOO O O e lei pion 2 ZAT OAA We 1 1 Poe A diem TE 2 2 OAT V 2 0 hivaa 16 EHAR CAA Wai 20 ibe o ha 4 From the Question dialogue box click No if you do not wish to setup Multiple Subscriber Numbers This completes CAPI installation If you click Yes continue with the steps below Only CAPI 1 la requires setup of Multiple Subscriber Numbers 31 32 5 From the Set Multiple S
109. rocessing Standard in the United States DES is a block cipher that means it encrypts data in 64 bit blocks A 64 bit block of plain text goes in one end of the algorithm and a 64 bit block comes out of the other end Both encryption and decryption use the same algorithm The key length is 56 bits Some of the 56 bit numbers are considered to be weak keys But the weak keys will be automatically avoided by Elite 28641 One major criticism of the DES standard is that its key is too short to survive the brute force exhaustive search attack of today s technology Triple DES which uses two DES keys has been adopted to improve the DES algorithm in the ISO 8732 standard This way the 63 f NOTE 64 equivalent key length is 112 bits and the resultant cipher text is much harder to break using an exhaustive search 2 attempts instead of 2 attempts The table below is an estimation of security depending on key length using the 1990s technology Please refer to Dr Dobb s Journal April 1994 for more detailed information Key Length Time Required for a Time for a 1B 1M Machine to Break Machine to Break 56Bits 3 5 hours 13 seconds 100Bits 7 billion years 7 million years 128Bits 10 8 years 10 years Manual DES Key Generation The Elite 28641 currently supports encryption with X 75 protocol The key used by DES can be manually entered via an AT command before each connection is made th
110. rotocol Since this is an option for ISDN switches some of the switches might not deliver the LLC information element to the remote end There is no provision for the 1TR6 switch to specify the layer 3 protocol for X 75 type of calls Making a Bundled Call with X 75 A bundle connection is initiated at the calling site by sending two consecutive SETUP messages to the network The two SETUP messages are all the same except for the Call Reference values AT amp Jn can be used for bundle configuration as follows AT amp JO Disables B channel bundling AT amp J1 Enables B channel bundling in answer mode only AT amp J2 Enables B channel bundling in call mode only AT amp J3 Enables B channel bundling in both call and answer modes The bundle protocol can be selected as follows ATS100 0 MLP channel bundling ATS100 1 CCB channel bundling If channel bundling is enabled the ATDIs command will generate two consecutive SETUP messages to invoke bundle initiation For Northern Telecom ISDN each BRI destination phone number can only be called once at any time In order to use two B channels for aggregation we must place two calls with different phone numbers The following command can be used for this purpose ATDIphone_number_1 phone_number_2 If the called site receives two consecutive SETUP messages with the same Calling Party Number and Bearer Capability or Origination Address for and
111. rresponds to a separate set of S register values but when we mention S registers we are referring to the ones that correspond to the active profile If you want to read or change the values in a profile that is currently inactive you will first have to recall that profile to make it active At the time this manual was written the Elite 28641 was equipped with 127 S registers from SO to 127 SO to S11 are standard AT S registers and S12 to S127 are mostly bit map configured Changes in the bit map configuration can have the same effect as issuing AT Commands However using the equivalent AT Command is recommended Viewing and Setting S Registers 124 There are several AT Commands that are used to view the values stored in the S registers Viewing S registers To display the value stored in S register r with AT Commands use ATSr To view all of the S resister settings use the amp Vn command AT amp Vn View S register settings for current active profile 4 View settings for user profile number n 1 View the factory default settings View the a b adapter s setting Erana SO Or o System Resources Status The S register values may be displayed in either Decimal or Hexadecimal format when using the preceding commands Bit 3 of S register 84 sets which numbering system is used for display ATS84 3 0 for decimal format ATS84 3 0 for Hex format To display the value of bit b of
112. rty Once the connection is established you can switch back and forth between the two calls 1 Press the flash key touch tone only 2 Dial 0 to get a dial tone 3 Dial the desired number and wait until the call is answered The connection to the first call will be kept To switch back and forth between the two calls 1 Press the flash key touch tone only 2 Dial 0 You will be switched to the other party To return from brokering 1 Hang up the handset to terminate the current call 2 The phone will ring 3 Pick up the handset and continue the rest of the call 1 1 Advanced ISDN Call Control Call Control for DSS1 Digital Subscriber Signaling 1 In order to initiate a DSS1 ISDN call two information elements are necessary 1 The Bearer Capability element indicates what kind of bearer service is desired It is also used for compatibility checking in the addressed entity The Called Party Number element provides necessary information for the telephone company Central Office CO to direct the call to the destination Other optional information elements which are pertinent to call control include High Layer Compatibility Low Layer Compatibility Calling Party Number Called Party Number Calling Party SubAddress Called Party SubAddress Control of Outgoing Service Indicator The High Layer Compatibility and Low Layer Compatibility information provides a means for compatibility checking by the 75
113. sed line auto handshake mode selection S14b0 AT MO leased line auto handshake for Originate mode AT MI1 leased line auto handshake for Answer mode If the leased line mode is just selected after power on the following commands can be used to make a leased line connection ATDB1 use B1 channel in Originate mode ATDB2 use B2 channel in Originate mode ATDB3 use both B1 and B2 channels in Originate mode ATABI use B1 channel in Answer mode ATAB2 use B2 channel in Answer mode ATAB3 use both B1 and B2 channels in Answer mode 8 amp 9 90 12 Security Functions Security Types and Levels The Elite 28641 provides security functions that may be enabled to prevent unauthorized connections Two types of security functions are provided e Type 1 security is to be used when the remote TA is a ZyXEL ISDN TA e Type 2 security is to be used when the remote TA is non ZyXEL With a Type 1 connection the dial in remote TA will send in its supervisor password for matching with local Elite 2864I s pre stored password list With a Type 2 connection the remote terminal will be prompted to enter the password at the initial connection and the local Elite 28641 will match the entered password with the pre stored password list The two types of security are summarized in the table below Type 1 Security Type 2 Security Remote Calling ZyXEL ISDN device Can be TA
114. sing the utility More often than not a driver INF file is used to configure the modem under Windows Refer to Chapter 4 Windows 95 and NT Setup for more detailed information If your Elite 28641 is not going to be set up by a computer running Windows you will need some type of terminal program that allows you to send AT commands to the modem and receive responses from the modem Configuring Your Modem Using a Terminal Program 16 If you are not using the Internet Configuration Manager that is packaged with the Elite 28641 you will need a terminal program to configure the unit The Elite should work with any asynchronous terminal program that can communicate directly with one of the communication ports on your system If you do not know how to use a terminal program refer to the instructions that came with the terminal program Make sure the program is set up to communicate with the COM port that the Elite 28641 is connected to You can check to see if the DTR LED is on when the terminal program is active In most cases if the terminal program is active and ready to communicate with the port that the Elite 2864I is connected to it will activate the DTR signal This will cause the DTR LED to light up If DTR is not ON you will need to check the program s settings The communication speed can be set to anywhere between 1 200bps and 460 800bps but 115 200bps is a good default value The Elite 28641 will automatically adjus
115. st ISDN data calls Sometimes we call it packetized The maximum frame length on the sending side should not exceed the maximum frame length that the receiving side allows Sometimes this information will be exchanged during handshaking However few manufacturers if any have implemented this mechanism If the sending side sends packets greater than what the receiving side allows the receiving side will discard the frame and reply with a Frame Reject Frame FRMR The FRMR indicates that the information received is too long Both sides will then reset their link layer negotiation and re send the frame again Usually this will happen repeatedly until the call gets disconnected The Elite 2864I has a fixed maximum receiving frame size of 2048 bytes which is larger than most devices can support The default maximum sending frame size is 252 bytes for V 120 and 2048 for X 75 If you need to change the maximum sending frame size the ATCL command should be used Type ATCL252 lt Enter gt Set the frame size to 252 octets user value between 1 2048 Elite 2864I responds OK Type ATCL lt Enter gt To inquire about the current setting of the packet length Elite 2864I responds Maximum user data length in a packet byte 252 Answering a Call Using MSN When answering an incoming call the call will first be identified if the caller number matches the MSN settings The Multiple Subscriber Number MSN supplementary service
116. ste Daten bertragung 64 Kbps The defaults are 2 internal fax modem 7 ISDN data 1 a b adapter 108 n SI 1 SI 2 dec NIN RE hex NIN RE Outgoing Service Additional for 1TR6 only Information n 0 internal fax modem n 2 ISDN data n 3 a b adapter ISDN Fernsprechen 3 1 kHz Fernsprechen analog Fax Gruppe 3 3 3 Daten Ober Modem 4 4 Btx Ober Modem SI 7 0 0 Daten bertragung 64 Kbps X 75 SLP 11 Async V 110 OT aana Extensions of async ie ca Number of data bits 8 ea Number of data bits 7 i as Number of stop bits 1 1 Number of stop bits 2 lt wd No parity 1 Even parity 000 1200 bps 011 2400 bps 100 4800 bps 101 9600 bps 110 14400 bps 111 119200 bps 01 000 38400 bps 010 Sync V 110 0100000 1200 bps 01000 2400 bps 0100100 4800 bps 0100101 9600 bps 0100110 14400 bps 01001 19200 bps 0101000 148000 bps 0101001 56000 bps 0101010 56000 bps for 56kbit network 01011 In band negotiation S108 n dec jhex High Layer Compatibility Non 1TR6 n 0 internal fax modem n 2 ISDN data n 3 a b adapter 0 JO No High Layer Compatibility information element will be sent 1 1 Telephone 4 4 Facsimile Group 2 3 40 28 Teletex service Rec F 220 139 140
117. t dec hex Bit mapped register 008 o 0 JO Parallel Port for fax printing 1 1 Serial Port for fax printing 1 0 J0 Fast PCL Printing 2 0 J0 PCL printing resolution 300dpi FZR 4 4 PCL printing resolution 150dpi 3 8 8 Automatic resize for fax printing 4 5 0 32 0 20 ZyXEL fax printing paper size FZS 0 0 Paper size LETTER 8 5 inch 11 inch 16 10 Paper size LEGAL 8 inch 14 inch 32 20 Paper size A4 210 mm 287 mm S74 Reserved read only S75 bit dec hex Bit mapped register 008 0 2 0 5 0 5 Multiauto answered fax class selection 0 0 Auto answer by fax class 2 1 1 Auto answer by fax class 2 0 2 2 Auto answer by fax class 6 ZFAX 3 3 Auto answer by fax class 1 4 4 Auto answer by fax class Z DRAM 5 5 Auto answer by fax class Z Printer S76 bit dec hec Bit mapped register 000 0 1 1 FAX response capture enabled 1 2 2 FAX command capture enabled 2 J4 4 V 21 HDLC Tx Rx capture enabled This feature is not available for the FAX direct printing mode Use AT FZX command to show the captured log on S79 bit dec hex Bit mapped register 000 7 0 JO Sending RELEASE COMPLETE with cause call reject for ATH1 128 80 Sending RELEASE COMPLETE with cause user busy for ATH1 S80 bit dec hex Bit mapped register 000 4 0 0 Not sending Low Layer Compatibility information for internal fax modem 16 10 Sending Low Layer Compatibility
118. t its speed to match your communication speed Once the terminal communication program is ready you can type a simple command to see if the Elite 28641 responds Type AT lt Enter gt Elite 28641 should respond OK Type ATI lt Enter gt Elite 28641 should respond 28642 Type ATI1 lt Enter gt Elite 28641 should respond Elite 28641 DSS1 V 2 06 ISDN Firmware version number Internal fax modem V 1 14 Fax modem Firmware version number FC2C Firmware checksum will change based on your firmware version OK Once the Elite 2864I accepts the commands that you typed it is ready to be programmed and ready to operate with your ISDN network If you do not see any response from the device go over your installation procedures again or contact the ZyXEL Technical Support 17 18 Testing Your Connection You are recommended to check the readiness of your ISDN and Elite 28641 before you start using them There is an AT command designed for this purpose which uses one B channel B1 to place a call to itself and uses the other B channel B2 to receive the call So this is a modem B1 CO ISDN Switch B2 modem loop back test Follow these instructions to make your test call Type AT amp ZOIl your_isdn_number lt Enter gt Elite 2864I responds OK Type AT amp T11 lt Enter gt Elite 2864I responds OK Dial your_isdn_number Loop from B1 to B2 through the switch established
119. t to the factory setting and run a continuous analog loop back self test Printable characters will show on the terminal screen if one is connected Using The Embedded Protocol Analyzer The embedded protocol analyzer hereafter abbreviated as EPA records and analyzes various protocols on the B channel D channel and DTE DCE interface The results are displayed with ANSI color This professional tool is designed for hobbyists as well as users with technical backgrounds The EPA enables you to examine messages exchanged between your Elite 2864I and the Central Exchange office when making an ISDN call You can review the packets sent or received through the B channel for X 75 or V 120 to or from the remote site You can also check the 103 104 AT commands issued from an application software program This will help you understand their causal relationship with other events In addition to its tutorial purpose the EPA is very useful for diagnostics If you have compatibility problems with your Central Exchange or with the TA at the remote site the EPA will be your first aid resource According to the EPA s analysis you may decide to fix the problem yourself e g modify the configuration and try again or log the analyzed results as a file a very comprehensive bug report and then send it to ZyXEL s Tech Support department Capturing the Protocol Data The data captured by the EPA can be classified into three categories e B
120. t were in a full screen editor Several number keys are used to control the display For PC users it is convenient to use the keys on the numeric keypad make sure that Num Lock is on The functions of the control keys are as follows Key Function Description 1 End Display to the end of buffer 2 Cursor down Scroll one line up 3 Page down Display the next page 7 Home Display the first page 8 Cursor up Scroll one line down 9 Page up Display the previous page Q q Quit Quit embedded protocol analyzer Any other key will display the control menu 1 5 AT Command Set Reference DTE Interface Operation Modes There are two operation modes for the DTE interface e Simplex mode is used for conventional AT Command operation e Multiplex mode is used as an internal interface for ZyXEL CAPI drivers Simplex mode In simplex mode the Elite 28641 is used just like an ordinary modem The DTE interface will be either in the command state or in the data state Only one data connection session is possible at any time To invoke various functions of the Elite 2864I a number of different AT Commands can be used The simplex mode is designed for the AT Command users The guides and descriptions throughout the rest of this manual if not otherwise specified are applicable to this mode The power on default of the DTE interface is in simplex mode as well Multiplex mode The multiplex mode
121. that share the same S T interface SO bus with the Elite 28641 If you want the Elite 2864I to answer inbound calls as often as possible you can set the best effort call answering bit as follows S119 3 0 Answer call only when number matched by default S119 3 1 Best effort call answering Ambiguity Resolution Switch for Voice Calls For a voice or voice band data call if the amp ZI number assignment can tell whether the analog adapter or internal fax modem is being addressed then the call will be delivered to the proper destination But sometimes ambiguity of address matching may exist This may happen if the amp ZI numbers of the various protocols are either unassigned or not matched or the address information is absent in the incoming SETUP message In this case users may wish to set the priority of answering a call as either the analog adapter or internal fax modem The AT amp Ln command sets the address ambiguity resolution flag AT amp LO The analog adapter has the higher priority to answer a voice or voice band data call if it is busy the call will be routed to internal fax modem AT amp L1 The internal fax modem has the higher priority to answer a voice or voice band data call if it is busy the call will be routed to the analog adapter Multi Auto Answering of Data Calls For an ISDN data call if the Elite 28641 can exclusively determine the protocol to be used by means of t
122. u can specify the type of jack you want installed You should order the jack that is recommended by the NT 1 device In most cases RJ 11 jacks will be installed unless you specified otherwise In Canada an RJ 45 jack will be installed The NT 1 device should come with the proper cable for connection from the wall jack and the NT 1 s line jack Regardless of the type of wall jack you have installed only the center two pins are connected f NOTE The cable connecting the NT 1 device to the Elite 28641 is provided for you It is an RJ 45 to RJ 45 cable with four conductors running through it Once everything is set up connect the Elite 2864I to your ISDN line 1 Use the phone cable RJ 45 that is included connect the Elite 2864I s ISDN jack to your NT 1 Terminal or S T jack 2 Using the proper cable connect your NT 1 line or U jack to the wall jack installed by your phone company 3 Make sure all the connectors are properly inserted FOR S T INTERFACE AN IMPROPER TERMINATING RESISTOR SETTING MAY CAUSE YOUR ISDN MODEM TO MALFUNCTION A RULE OF THUMB IS TO INSTALL TERMINATING RESISTORS ON BOTH THENT NETWORK TERMINATOR AND THE TE TERMINAL EQUIPMENT THAT HAVE THE LONGEST CABLE CONNECTIONS THE FACTORY DEFAULT SETTING OF THE TERMINATING RESISTORS OF THE2864 IS DISCONNECTED WHICH MOST LIKELY FITS YOURISDN TELEPHONE LINE IN SOME CASES HOWEVER THERE IS A NEED FOR THE TERMIANTING RESISTORS TO
123. ubscriber Numbers dialog box type in the desired numbers and click OK Ses healiigle Fibs 5 ISDN Communication Basics In this chapter we will cover how to initiate and receive calls over digital lines using your Elite 28641 Outgoing Calls The Elite 2864I has 3 modes in which to send communication over an ISDN network e ISDN data e Analog port e Internal fax modem These modes are auto switching based on the commands you issue Let s take a look at how the communication mode is automatically switched Dialing Out Using ISDN Mode The command ATDP tells your Elite 28641 that you want to make an ISDN data call and to therefore use the ISDN mode to call out Type ATD1I17142630398 lt enter gt Make an ISDN call Dialing Out for Analog Adapter Port Using the B command following the ATD will tell your Elite 28641 to automatically switch calls to the analog adapter once dialing is complete 33 34 Type ATDB17146930762 lt enter gt Dialing out for Internal Fax modem Using the M command following the ATD will tell your Elite 28641 to automatically switch calls to the internal fax modem once dialing is complete Type ATDM17146930762 lt enter gt Manually Switching Communication Modes The manual switching functions will only be necessary if your communication software does not allow you to change your dial up string Conventional dialing commands ATD ATDT and AT
124. ummy PPP packet to the Server to keep it from disconnecting the line Example If the server you are calling disconnects after 1 minute of inactivity issue the following command before connecting ATS124 59 lt Enter gt send dummy PPP packet after 59 sec of inactivity Setting 124 0 will disable this function Answering Async to Sync PPP calls There is no need to configure the ISDN mode to the protocol of an incoming call If it is set to auto answer or an answering command is issued the Elite 28641 will be able to determine the correct protocol to use by examining the data coming in from the remote site You can also set up an MSN entry for the phone number for the protocol so calls to this number will be answered properly To do this use AT amp ZI3 xxx where xxx is the number that the call is expected to dial in To allow the Elite 2864I to automatically answer the incoming call you need to set SO to a value greater than 0 i e ATSO 1 Elite 28641 will answer the call and use asynchronous to synchronous conversions to and from the DTE If SO is not set SO 0 the DCE will report RING and will also make an audible ring notification Multilink PPP Multilink PPP MPPP is a protocol that allows virtual bundling of the two B channels for connection speeds of 128Kbps MPPP support is a standard feature of Elite 28641 models 43 44 Making a Call Using Multilink PPP A Multilink PPP connection is initiated
125. urity with password check and call back GS5 Enable type 2 security with password check and call back remote site enters the call back number GCn n 0 1 Call back function selection 119 0 GCO_ Disable call back function GC1 Enable call back function HCn s n 0 4 Modify call back phone number Hn n 0 39 Modify user password table at location n HS Modify supervisory password Default yXEL In Command set selection S17 6 7 J0 AT command set I V 25bis command set Mn Leased line auto handshake mode selection MO Leased line auto handshake on Originate mode 121 122 M1 Leased line auto handshake on Answer mode Qn Action taken when line quality changes S27 6 7 QO No action to poor signal quality QI1 Retrain action taken if signal quality is poor See also 41 2 Q2 Adaptive rate automatic fall back or forward Q3 Disconnect if signal quality is poor T Recall the last CND Caller ID information V View the Password table VC View the Call back Number table 123 16 Status Registers and Result Codes S registers Status Registers contain values that determine and reflect how your Terminal Adapter TA operates and executes commands You can read the values and change them either using terminal commands or the modem s panel controls with the same results Every user profile co
126. y the EPA are tagged with a time stamp according to a free running timer that starts at the beginning of data capture The resolution of this timing information is 0 01 second The following commands determine the kind of protocol data to be captured by the EPA AT Command Description ATCDn n 0_ Disable the capture of D channel protocols n Enable the capture of D channel protocols default ATCBn n 0 Disable the capture of B channel protocols default n Enable the capture of B channel protocols ATCCn n 0 Disable the capture of DTE DCE interface protocols default n Enable the capture of DTE DCE interface protocols The EPA starts to capture data when the command ATCT is issued This capturing process will continue until the command ATC is issued The EPA maintains 8 Kbytes RAM as a ring buffer In case the buffer is full the earliest data captured will be overwritten by the latest data 105 106 Analyzing the Captured Data To view the analyzed result use the command ATC For your convenience the relevant AT commands are summarized as follows AT Command Description ATCT Clears buffer and starts the embedded protocol analyzer Captures data immediately and starts the timer ATC Invokes the interpretation function of the embedded protocol analyzer and displays the results on the DTE screen The analyzed results can be viewed as if i
127. ync conversion If the address matching process is unable to tell which protocol to use the Elite 2864I will go into its Multi Auto answering Routine by examining the B channel data pattern and hence determine the protocol to use When alerted the Elite 2864I will send a RING message to the DTE in the following format RING FM 17145522863 TO 17142630398 6 Async to Sync PPP and SLIP More and more Internet Service Providers ISP are offering their services through dial up ISDN lines for higher data bandwidth The equipment used at the service provider s location are frequently ISDN LAN routers which unlike terminal adapters do not have asynchronous capability For this reason terminal adapters that support only X 75 or other asynchronous protocols will not work with this type of equipment The Elite 28641 is able to convert the asynchronous data it receives from your computer to synchronous format in order to communicate with ISDN LAN routers We call this process asynchronous to synchronous HDLC conversion To simplify it we call it Async to Sync PPP Point to Point Protocol or Async to Sync SLIP Serial Line Internet Protocol protocol Making Async to Sync PPP and SLIP Calls In order to communicate with an ISDN LAN router from vendors such as Ascend and Cisco you ll need to set the Elite 28641 B channel protocol to one of the following ATB40 lt Enter gt HDLC PPP or ATB41 lt Enter gt HDLC SL

Placing a Call

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