Acer FAX/Voice/Data Modem User's Manual
Contents
1. High Performance V 32bis V 42bis 14 400 BPS Internal Plug and Play FAX Voice Data Modem Featuring Advanced Full Duplex Speakerphone Functions User s Manual Contents Section One Introduction ccsssseeee 1 Section Two Installation ccssssssseeee 1 Section Three AT Command Set 4 Section Four S Register Summary 12 Section Five Result Codes ssssscssees 13 Section Six Troubleshooting 14 Section Seven Specifications cseee 16 Section Eight Support And Service 16 Section Nine FCC DOC Copyright And Other Notices ccscceees 17 Part 49 AA808 001 ACER 14 4 TAD SP 1 xx Section One Introduction This 14 4 Kbps FAX Voice Data Modem is specifi cally designed for the Acer Aspire line of computers enabling their connection to all popular high speed modems available today Your new modem features advanced speakerphone functions for hands free voice communication as well as Plug and Play for simplified installation This manual describes the hardware installation procedures for your new modem product Additional information on AT commands and S registers are provided so that your system can be customized for a particular operating environment Section Two Installation This section will provide step by step instructions on how to install your new 14 4 Kbps FAX Voice Data modem Ins2. profile 1 3 4 Extended AT Commands amp C_ amp CO amp C1 amp D_ amp D0 Force Carrier Detect Signal High ON Turnon Carrier Detect signal when remote carrier signal is present Modem ignores the Data Terminal Ready signal amp F_ amp G_ amp K_ amp L_ amp M_ amp N_ amp P_ amp Q amp S_ amp T_ amp D1 amp D2 amp D3 amp FO amp F3 amp G0 amp G1 amp G2 amp KO amp K3 amp K4 amp K5 amp L0 amp L1 amp M0 amp NO amp NI amp P0 amp P1 amp Q0 amp Q5 amp Q6 amp S0 amp S1 amp TO amp T1 amp T3 amp T4 amp T5 amp T6 amp T7 Modem returns to Command Mode after DTR toggle Modem hangs up returns to the Command Mode after DTR toggle Resets modem after DTR toggle Recall factory default configuration Resetfor extended responses Guard tone disabled 550 Hz guard tone 1800 Hz guard tone Disable DTE flow control RTS CTS flow control XON XOFF flow control Transparent XON XOFF flow control Dialup telephone line Leased Line Asynchronous operation Specialecho canceller training sequence not required Special echo canceller training sequence required United States setting for off hook make to on hook break ratio UK and Hong Kong off hook make to on hook break ratio Asynchronous operation Modem connects using MNP or V 42 Modem connects in Normal mode Force DSR Signal High ON DSR is off
3. Report Remote Capabilities Response FDIS n Current Session Negotiation FDR Receive Phase C Data FDT n Transmit Phase C Data FDTC Report Remote Capabilities Response FET Post Page Message Response FET n End the Page or Document FHNG Call Termination Status Response FHR Report Received HDLC Frame Response FHT Report Transmitted HDLC Frame 10 FLID n FMDL FMFR FPPR FPTS FPTS FPTS n FREV Local ID string TSI CSD Request DCE Model Request DCE Manufacturer Partial Page Report Response Receive Page Transfer Status Response Transmit Page Transfer Status Response Page Transfer Status Parameter Request DCE Revision 3 7 Voice Mode Commands VA m VAA n VB f1 t VBL n VBO n VBS n VC VCH n VDR e r VDO VD1 VF n VG n VH n VL VM n VNH n VRA n VRN n VSC n VSD 0 1 2 VSI n VSM n VSn VSP n VSR n VSS n VST VSV VTI n VTn Enable disable AGC Select auto answer mode Generate beep tone fl frequency t duration Sets voice buffer length control Set binary offset mode Specify data transfer via DMA Disable Enable lt DLE gt lt CAN gt and DTMF abort Set DMA channel Enable distinctive ring detection Transmit voice data Receive Voice Data Set FIFO size Gain setting in voice record mode Energize relay Setrun length encoding Microphone command Set hook behavior for fax and data calls within voice calls Ringback goes away
4. In the following listings all default settings are printed in bold text Command Function A Manually answer incoming call A Repeat lastcommandexecuted Do not precede A with AT or follow with ENTER AT Appears at the beginning of every command line B BO CCITT mode B1 Bell mode B2 With V 23 originate calls transmitting at 75 bps receiving at 1200 bps Answer calls transmitting at 1200 bps receiving at 75 bps B3 With V 23 originate calls transmitting at 1200 bps receiving at 75 bps Answer calls transmitting at 75 bps receiving at 1200 bps D 0 9 A D and L last number redial DS n anv E0 El HO H1 10 Il 12 13 14 16 LO Ll L2 L3 MO M1 M2 M3 NO N1 N2 N3 N4 N5 00 pulse dialing touch tone dialing wait for second dial tone pause wait for five seconds of silence flash return to Command Mode after dialing return to Command Mode after dialing and maintain connection Dial one of the four telephone numbers n 0 3 stored in the modem s non volatile memory Commands are not echoed Commands are echoed TIES Escape Characters Switch from Data Mode to Command Mode Force modem on hook hang up Force modem off hook make busy Display 14400 Display 000 Internal memory test Firmware revision number Configuration settings DSP Low speaker volume Low speaker volume Medium speaker volume High speaker volume Internal speaker off Inter
5. card s micro phone speaker interconnector plug to the modem s mic speaker connector See fig ure 2 2 7 Replace the computer cover and plug in your computer 8 Connect the telephone cable from the modem s LINE connector See figure 2 3 to the telephone wall jack 9 Optionally connect your telephone to the modem s PHONE connector See figure 2 3 10 Connect the microphone plug into the MIC jack See figure 2 3 11 Connect your powered speaker s into the Line Out jack of the sound card 12 Turn your computer on Your modem is now installed 2 3 Plug and Play Your modem supports Plug and Play PnP and can easily be configured using any Plug and Play compliant PC Your PCis PnP compliantif you have 1 an operating system that supports Plug and Play and 2 PnP BIOS chipset Ina PnP compliant operating system e g Windows 95 follow the instructions included with the operating system to configure Plug and Play cards Figure 2 2 On Acer pre configured systems with this modem and Windows 95 software this modem has been set to MODEM Sierra 14 4 Data Fax Voice SQ3230 COM 1 IRQ4 MODEM VOICE Sierra 3230 Voice DMA 3 IRQ 10 2 4 Software Installation Configuration You are now ready to install and configure the commu nication software Refer to your software manual for instal lation procedures Your softwar
6. functions from this software You may also use any other commercially available communication software with the modem Read Section 3 only if you are interested in accessing the modem manually and not through the included software Section 4 and 5 contain reference material and can be skipped If you have difficulties getting your modem to work read Section 6 Troubleshooting to find answers to com monly asked questions and problems Section Three AT Command Set 3 1 Executing Commands Commands are accepted by the modem while it is in Command Mode Your modem is automatically in Com 4 mand Mode until you dial a number and establish a connec tion Commands may be sent to your modem from a PC running communication software or any other terminal de vices Your modem is capable of datacommunication at rates of 300 1200 2400 4800 9600 14400 19200 38400 and 57600 bps Make sure your COM port baud rate setting in your communications software is set to one of the above speeds 3 2 Command Structure All commands sent to the modem must begin with AT andend with ENTER All commands may be typed in either upper or lower case but not mixed To make the command line more readable spaces may be inserted between com mands If you omit a parameter from a command that requires one it is just like specifying a parameter of 0 Example ATH ENTER This command causes your modem to hang up 3 3 Basic AT Commands
7. in command mode on in on line mode Ends test in progress Perform Local Analog Loopback Test Perform Local Digital Loopback Test Grant Remote Digital Loopback Test request by remote modem Deny Remote Digital Loopback Test request by remote modem Perform a Remote Digital Loopback Test Perform a Remote Digital Loopback Test and Self Test amp T8 Perform Local Analog Loopback Test and Self Test amp U_ amp U0O Enable Trellis Coding V 32 amp U1 Disable Trellis Coding V 32 amp V_ amp VO Displays Active and Stored Profile 0 amp V1 Displays Active and Stored Profile 1 amp W_ amp WO_ Stores the active profile as Configuration Profile 0 amp W1 Stores the active profile as Configuration Profile 1 amp Y_ amp Y0 Configuration Profile 0 active upon Power on or reset amp Y1 Configuration Profile 1 active upon Power on orreset amp Zn x n 0 3 Store telephone number x into non volatile RAM E_ EO V 22bisauto retrain disabled E1 V 22bis auto retrain enabled 3 5 MNP V 42 V 42bis Commands An n 0 Setauto reliable fallback character to n where 127 n Oto 127 ASCII Requires the C2 setting C_ CO Disable MNP Class 5 data compression C1 Enable MNP Class 5 data compression D_ DO 512 byte dictionary for V 42bis D1 1Kbyte dictionary D2 2Kbyte dictionary C_ C0 Do not buffer data during LAPM MNP handshaking C1 Buffer all data for 4 seconds until receiving 200 characters or until a packet is det
8. 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 residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there isno guarantee that interference will not occurina particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equip ment 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 17 e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on acircuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Notice 1 Shielded cables if any must be used in order to comply with the emission limits 2 Any change or modification not expressly approved by the Grantee of the equipment authorization could void the user s authority to operate the equipment 9 3 DOC Compliance Information NOTICE The Canadian Department of Communications label identifies certified equipment This certification means that the equipment meets certain t
9. e must be configured to communicate with the modem on the same COM port and IRQ line used by the modem We suggest the following communication parameters when you first use your data communication software Consult the software manual for information on using these and other parameters features 38 400 bps 8 data bits no parity 1 stop bit RTS CTS flow control set to on initialization string AT amp F The commands used by the modem are compatible with the command set used by the Hayes V series Ultra Smartmodem 14400 modems select this modem type in your data communications software Selecta Generic Class 2 modem type in your FAX software and select a Sierra modem type in your voice software 2 5 Using Fax Voice and Speakerphone Capabilities of the Modem Your modem has built in advanced FAX Voice and Full Duplex Speakerphone functions These functions are accessed through software Please consult your FAX Voice Speakerphone software manual about procedures on using these functions Note that the modem s FAX Voice Speaker phone commands are used by the software to implement these functions and are not designed to be used as stand alone AT commands Voice functions include recording and playback of voice prompts files You may record or playback voice with your modem by attaching a telephone to the RJ 11 jack marked PHONE or by attaching a microphone to the MIC jack located on the back of the mode
10. ected C2 Do not buffer data switch to normal mode when fallback character is detected G_ G0 Disable DCE flow control G1 Enable DCE flow control N_ NO Normal data link only N1 Direct data link only N2 MNP data link only N3 MNP Normal data link N4 _ V 42 data link only N5 V 42 Normal data link 9 N V 42 MNP Normal data link Q_ Q0 Turnoffflow control Ql XON XOFF software flow control Q2 CTS signal unidirectional hardware flow control Q3 RTS CTS signal bi directional hardware flow control Q4 XON XOFFunidirectionl flow control from modem In Inactivity timer where n 0 to 90 minutes Default is 0 V_ VO _ Donotsend extended responses V1 Sendextended response set 1 X_ X0 Process XON XOFF but don t pass through X1 Process XON XOFF and pass through CC_ CCO Caller ID disabled CC1 Formatted Caller ID Date Time Number CC2 Unformatted Caller ID 3 6 Fax Class 2 Commands FAA n Data Fax auto answer enable Default is 0 FBOR Data Bit Order FBUF Buffer Size FBUG Session Message Reporting Parameter FCIG Report Remote ID Response CIG FCFR Confirmation to Receive Prompt FCLASS Service Class Identification and Control FCON Facsimile Connection Response FCR Capability to Receive FCSI Report Remote ID Response Called Station FCSIG n Local Polling ID String FDCS lt string gt Report Session Response FDCC n DCE Fax Capabilities Parameters FDIS lt string gt
11. elecommunications network protective operational and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users ensure that itis permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an accept able method of connection The customer should be aware that compliance with the above conditions may not prevent degrada tion 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 com pany cause to request the user to disconnect the equipment Users should ensure for their own protection that the 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 electric inspection authority or electrician as appropriate NOTICE The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to atelephone loop whichis used by the device to prevent overload ing The terminat
12. ion on a loop may consist of any combination of devices subject only to the requirement that the sum of the Load Numbers of all the devices does not exceed 100 9 4 Disclaimer Copyright And Other Notices 18 The information contained in this manual has been validated at the time of this manual s production The manufacturer reserves the right to make any changes and improvements in the product described in this manual at any time and without notice Conse quently the manufacturer assumes no liability for damages in curred directly or indirectly from errors omissions or discrepan cies between the product and the manual All registered trademarks are the property of their respective owners Copyright 1995 All rights reserved No reproduction of this document in any form is permitted without prior written authori zation from the manufacturer First Edition MANO30Rev 1 1 GZ DR Version 1 1 19
13. kes a connection but no data appears on your screen 1 Theremote system may be waiting to receive your data before it begins Try pressing the ENTER key a few times 2 Make sure the correct data format data bits stop bits and parity bits and flow control RTS CTS method are being used 3 Make sure the correct terminal emulation mode is being used see communication software manual 4 Make sure the modem is not sharing an IRQ or COM port with another device ina non PnP system High pitch tone is heard whenever you answer the phone 1 Makesure Auto Answeris turned off Your modemis factory configured to NOT auto answer Issue AT amp F to factory reset your modem Modem experiences errors while communicating with a remote modem 1 Make sure the DTE speed is the same as the modem connec tion speed when in Direct Mode N1 command in effect 2 Make sure the remote system and your modem use the same communication parameters i e baud rate data bit length parity and stop bit 3 Make sure RTS CTS hardware flow control is enabled and XON XOFF software flow control is disabled in the commu nication software 4 Make sure the data speed is not faster than your computer s 15 capability Most IBM compatibles are capable of 19 200 bps under DOS and Windows Operating at higher speeds under Windows requires a faster CPU 386 486 or better Modem experiences bursts of errors or suddenly disconnects while com
14. m bracket Then follow instructions in the FAX Voice Speakerphone software on recording and playback of voice prompts 2 6 Testing Your Modem After Installation In order to test your modem you should be familiar with your communication software Load and set up your communication software and enter into terminal mode Make sure that the COM Port and IRQ settings of the software modem match the modem Type AT on your terminal screen and press ENTER You may see AATT or nothing on the screen In either case the modem should respond with an OK or 0 If it does not please refer to Section 6 for troubleshooting information 2 7 Using Your Modem The communication software included with your mo dem product provides a user friendly interface to access the fax voice and data functions of your modem This software should be sufficient for all of your communication needs There may be times when you need to access the modem manually via modem commands Read Section 3 for a summary description of the modem command set before manually accessing the modem You may want to read the software manual first however as the software may already provide auser friendly method of accessing the functions you need i e dialing or answering calls 2 8 Where To Go From Here You should familiarize yourself with the functions available from the included software by reading its manual You will be accessing most if not all of the modem s
15. municating with a remote modem 1 Make sure Call Waiting is turned off 2 Make sure the phone line does not exhibit excess noise Modem exhibits poor voice record or playback 1 Make sure the correct modem type is selected in the Voice FAX software Use Sierra or similar selection Do not select Rockwell or Rockwell ICS configuration Section Seven Specifications CCITT Bell Std V 42bis V 42 V 32bis V 32 V 29 V 27ter V 22bis V 22 V 21 V 17 Bell212 103 MNPprotocols MNP 5 4 3 2 Host Interface 16 bit PC bus COM ports 1 2 3 4 IRQ lines 3 4 5 7 9 10 11 12 FAX Group Group III Send Receive Standard FAX Command set EIA TIA PN2388 Service Class 2 Voice Command set Sierra Escape Detection TIES Escape Sequence Transmit level 11 dBm 1 dBm Receiver Sensitivity 43 dBm UART 16550 compatible Data format 300 57600 bps Power 0 75 W Temperature 0 to 55 degrees C Operating 20 to 80 degrees C Non operating Speakerphone Full duplex with DSP echo cancellation Plug and Play ISA spec V1 0a Section Eight Support and Service In the unlikely event you experience difficulty in the use of this product we suggest you 1 consult the Troubleshooting section of this guide and 2 consult with your dealer To obtain service for this product follow the Return Merchandise Authorization Proce dure as outlined in the Warranty card 16 Section Nine FCC DOC am
16. n on how to use the AT commands to manipulate the S registers Table 4 1 S Registers Register Function Range units Default S0 Auto answer Ring 0 255 rings 0 S1 Ringcounter 0 255 rings 0 S2 Escape code character 0 127 ASCII 43 S3 Carriage return character 0 127 ASCII 13 S4 Line feed character 0 127 ASCII 10 S5 Backspace character 0 32 127 ASCII 8 S6 Dial tone wait time 0 255 seconds 2 S7 Remote carrier wait time 1 255 seconds 40 S8 Comma pause time 0 255 seconds 2 S9 Carrier detect time 0 255 0 1 second 6 S10 Carrier loss time 0 255 0 1 second 14 S11 Touch tone dialing speed 50 255 0 001 second 75 S12 Esc character detect time 0 255 0 02 second 40 12 S13 Reserved S14 Echo response dialing Bit mapped originate answer S15 Reserved S16 Modem test options Bit mapped S17 Reserved S18 Modem testtimer 0 255 seconds 0 S19 Reserved S20 Reserved S21 Autoretrain RTS CTS Bit mapped DTR DCD DSR 22 Speaker and response Bit mapped S23 RDL DTE data rate Bit mapped parity and guard tone S24 Reserved S25 DTR delay 0 100 seconds 5 S26 RTS CTS delay interval 0 255 0 01 second 1 S27 Async operation Line Bit mapped type S36 Negotiation Fallback 0 7 7 S37 Maximum line speed 0 11 0 S38 Forced hangup delay 0 255 20 S46 Select datacompression 136 138 138 S48 Feature negotiation 0 7 128 T S49 Buffer lower limit 0 255 10 S50 Buffer upper limit 0 255 200 S63 Leased Line carrier level 0 15 0 S82 Break Signali
17. nal speaker on until carrier detected Internal speaker always on Internal speaker on until carrier detected and off while dialing Line speed set by register S37 Originate with automatic rate negotiation starting at S37 setting answer at any speed Adds V 23 to N1 Originating line speed set via register S37 Same as N3 Originate with automatic rate negotiation starting at S37 setting Anwer only at S37 setting Return to Data Mode 6 Ol Return to Data Mode and initiate an equalizer retrain P Set Pulse dial as default Q_ QO Modem sends responses Q1 Modem does not send responses Q2 Modem sends responses in originate mode but notin answer mode Sr r 0 30 Read and display value in register r Sr n Set register r to value n r 0 30 n 0 255 T Set Tone Dial as default V Vo Numeric responses vil Word responses Ww W0 Report Connect at DTE speed only W1 ___ ReportConnect at DTE speed with negotiation progress W2 Report Connect at DCE speed only X_ X0 Hayes Smartmodem 300 compatible responses blind dialing X1 Same as XO plus all CONNECT responses blind dialing X2 Same as X1 plus dial tone detection X3 Same as X1 plus busy signal detection blind dialing X4 All responses and dial tone and busy signal detection Y_ YO Modem does not send or respond to break signals Y1 Modem sends break signal for four seconds before disconnecting Z_ ZO Reset and retrieve active configuration profile 0 Z1 Reset and retrieve active configuration
18. ng 3 7 128 128 S86 Connection failure code 0 4 9 10 12 14 S98 Speakerphone squelchtimer 0 255 001second 10 Section Five Result Codes BASIC RESPONSE CODES OK 0 CONNECT 1 RING 2 NOCARRIER 3 ERROR 4 CONNECT 1200 5 NO DIALTONE 6 BUSY i NO ANSWER 8 CONNECT 2400 10 CONNECT 4800 11 CONNECT 7200 24 CONNECT 9600 12 CONNECT 12000 25 CONNECT 14400 13 CONNECT 19200 14 CONNECT 38400 28 CONNECT 57600 29 CONNECT 1200 75 22 CONNECT 75 1200 23 EXTENDED RESPONSE CODES CONNECT 0300 REL 16 CONNECT 1200 REL 17 CONNECT 2400 REL 18 CONNECT 4800 REL 19 CONNECT 9600 REL 20 CONNECT 19200 REL 21 CONNECT 38400 REL 26 CONNECT 57600 REL 27 NEGOTIATION PROGRESS CODES CARRIER 300 40 CARRIER 1200 75 44 CARRIER 75 1200 45 CARRIER 1200 46 CARRIER 2400 47 CARRIER 4800 48 CARRIER 7200 49 CARRIER 9600 50 CARRIER 12000 51 CARRIER 14400 32 COMPRESSION CLASS 5 66 COMPRESSION V 42BIS 67 COMPRESSION NONE 69 PROTOCOL NONE 70 PROTOCOL LAP M 77 PROTOCOL ALT 80 Section Six Troubleshooting This section describes some of the common problems you may encounter while using your modem If you can not resolve your difficulty after reading this chapter contact your dealer or vendor for assistance Modem does not respond to commands 1 Make sure the communication software is configured to talk to the modem on the correct COM port and IRQ setting same COM port and IRQ setting as the modem Your communication software must know which address y
19. our modem is using in the system in order to pass data to it Similarly IRQ settings must be set correctly to receive data from the modem 2 Make sure that your modem is initialized correctly Your modem may have been initialized to not display responses You may factory reset the modem by issuing AT amp F and press ENTER The factory default allows the modem to display responses after a command has been executed 3 Make sure the baud rate setting in your software is set to 57600 38400 19200 14400 9600 2400 1200 or 300 bps An incorrect baud rate prevents the modem from operating properly 4 Make sure that the modem is not conflicting with another COM port or IRQ in anon PnP system Modem does not dial 14 1 Make sure the modem is connected to a working phone line Replace the modem with a working phone to ensure that the phone line is working 2 Make sure the phone line is connected to the jack marked LINE Incorrect connection prevents the modem from operating properly Refer to Section 2 2 for modem connec tion instructions Modem dials but does not connect 1 Make sure the IRQ setting is identical on both the modem and the software in anon Pnp system Modem and software must be configured identically 2 Make sure the phone line is working properly Replace the modem with a regular phone and dial the number If the line sounds noisy you may have difficulty connecting to the remote device Modem ma
20. p Other Notices 9 1 FCC Compliance This equipment complies with Part 68 of the FCC Rules On this equipment is a label that contains among other information the FCC registration number and Ringer Equivalence Number REN for this equipment You must upon request provide this informa tion to your telephone company If your telephone equipment causes harm to the telephone net work the Telephone Company may discontinue your service temporarily If possible they will notify in advance But if advance notice isn t practical you will be notified as soon as possible You will be informed of your right to file a complaint with the FCC Your telephone company may make changes in its facilities equipment operations or procedures that could affect proper operation of your equipment If they do you will be notified in advance to give you an opportunity to maintain uninterrupted telephone service The FCC prohibits this equipment to be connected to party lines or coin telephone service In the event that this equipment should fail to operate properly disconnect the equipment from the phone line to determine if itis causing the problem If the problem is with the equipment discon tinue use and contact your dealer or vendor The FCC also requires the transmitter of a FAX transmission be properly identified per FCC Rules Part 68 Sec 68 381 c 3 9 2 FCC Class B Statement This equipment has been tested and found to comply
21. tallation of this modem product is a two step process consisting of actual hardware installation and communica tion software installation and configuration 2 1 Unpacking Your Modem Before you begin your installation be certain that you have all the items listed below This package contains A modem e A telephone cable e User s manual e Configuration software e Software for the modem e Software user s manual 2 2 Hardware Installation Installation of this modem requires opening and ma nipulating your PC Exercise caution at all times when working with AC powered and static sensitive equipment Turn off and unplug your PC be Figure 2 1 fore installation Discharge any Expansion static electricity from your body Slots by touching any bare metal sur face of the PC system such as its power supply cover 1 Turnoffandunplug yourcom puter from the AC outlet 2 Remove your computer s cover refer to your computer s owner manual 3 Select any available half card 1 slot and thenremove the slot cover refer to Fig ure 2 1 Oo 4 Carefully slide the in ternal modem into the E slot you have chosen applying even pressure i ea until the modem is com 7 pletely seated in the slot 5 Fasten the retaining CI A bracket with the screw Mic Speaker connector from the slot cover Make sure the modem is properly aligned Figure 2 3 Store the slot cover for future use 6 Connect the computer sound
22. timer Ringback never came timer Set compression mode ton Silence deletion control disable 1 sec 5 sec Set silence end of message timer Set CODEC mode ton Activate voice mode DTE rate n Set monitor mode Enable actions and or speakerphone response codes Set sample rate to n Set silence threshold 43dBm 47dBm Transmit voice data listen for DTMF and CNG Supervision point qualifier Controls command mode DTMF and CNG detection 11 VTR n Loop current interrupt qualifier VZ n Set audio mode Pager dial modifier 3 8 Speakerphone Commands SPC n Select AEC EEC echo cancellation SPD n Download speakerphone parameters SPF n Select auto fixed echo cancellation SPG n Set microphone gain SPL n Set DSP microphone gain SPM n Enable speakerphone SPT n Speakerphone forced train SPU n Upload speakerphone parameters SPV n Set speakerphone volume SPZ n Set microphone AGC VM n Set microphone status Section Four S Registers Your modem has 39 registers designated SO through 27 S36 S38 46 S48 S50 S63 S82 S86 and 98 Table 4 1 shows the registers their functions and their default values Some registers can have their values changed by commands If you use a command to change a register value the command remains in effect until you turn off or reset your modem Your modem then reverts to the operating character istics specified in its non volatile memory Refer to Section 3 for informatio
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