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					           U S E R’S                     M A N U A L

                        Preliminary




                   T51.004.C.00




                                 56Kbps
                      Internal/External
                  D a t a / F a x / Voice M o d e m




                        Ambit Microsystems Corporation
5F-1, 5 Hsin-An Rd., Hsinchu Science-Based Industrial Park, Hsinchu, Taiwan, R.O.C.
    TEL: 886-3-5784975, FAX: 886-3-5782924, Internet: Ambit@shts.seed.net.tw




                                        1
Contents
Section One:      Introduction                                                    1
     1.1 Modem Features                                                           1
     1.2 Package Contents                                                         1

Section Two:       Installation                                                   2
     2.1 External Modem Installation                                              2
     2.2 Internal Modem Installtion                                               2
     2.3 Com Port and Interrupt Settings                                          3
     2.4 Software Installation                                                    4
     2.5 Using The Internal Modem with Microsoft Windows 3.1                      7
     2.6 Testing Your Modem                                                       8
     2.7 Using Your Modem                                                         8

Section Three:          Troubleshooting                                           8

Section Four:           AT Commands                                               9

Section Five:           S-Registers                                               13

Section Six:            Result Code Summary                                       14




The information contained in this manual has been verified at the time of this manual’s printing. The
manufacturer reserves the right to make any changes and improvements in the product described in this
manual at any time and without notice.

All registered trademarks are the property of their respective owners.




                                                    2
Section One:          Introduction
                      This K56Flex modem provides the highest speed access to the Internet and online
                      services. The modem also has reprogrammable capability. User can upgrade the
                      modem later to the international standard (ITU-T V.90). It has data, fax,
                      voice-mail, full duplex speakerphone, and video ready functions. With this
                      modem, camera, and video card, you can do video conferencing.

1.1 Modem Features
                      56K Modem                          K56Flex, upgradable to V.90
                      Data Modem Standard                V.34, V.32bis, V.32, V.22bis, V.22, V.23,
                                                         and V.21; Bell 212A and 103
                      Error Correction                   V.42 LAPM, and MNP 2-4 error correction
                      Data Compression                   V.42bis and MNP 5 data compression
Product Shot          Fax Modem Standard                 Send and receive rates up 14400bps,
                                                         V.17, V.29, V.27ter, and V.21 channel 2
                      Command Set                        AT, IS-101 voice, and Fax Class 1 command
                                                         set
                      Speakerphone                       Full-duplex speakerphone with adaptive
                                                         acoustic echo canceler for speaker/
                                                         microphone positioning
                      Dialing                            Auto-dial, tone or pulse, and call progress
                                                         monitor
                      Telephone Answering Machine/ Concurrent data, fax, voice discrimination,
                      Business Audio/VoiceView     and DTMF tone detection, distinctive ring

                      Video Ready                        V.80
                      PnP                                ISA Plug & Play
                      Homologation                       Worldwide support



Notes: * 56,000 download feature is for 56000 modem only. The speed of 56Kbps limits to
         download from an ISP, while upload remains 33.6Kbps.


1.2     Package Contents

Make sure you have received the following items in your package:

Internal Modem
1. One Modem
2. Installation Software
3. Driver
4. Telephone Cable
5. User’s Manual



External Modem
1. One Modem
2. Installation Software


                                                 1
3.   Driver
4.   Telephone Cable
5.   RS232 Cable
6.   User’s Manual




Section Two:            Installation
2.1 External Modem Installation
The following steps provide instructions for installing your external modem. You will also need a RS232
serial cable to make the connection to your computer. For IBM compatible computers equipped with a
25-pin serial port, you will need a standard 25-pin to 25-pin “straight-through” serial cable. If you have a
9-pin serial port on your PC, use a 9-pin to 25-pin “IMB AT” type serial cable. For Macintosh computers,
use only a high speed Macintosh serial cable, which supports hardware flow control signals.
1. Turn off the computer.
2. Plug the male (25 pins) end of the serial cable into the connector marked RS-232 on the back of the
      modem.
3. Plug the other end of the serial cable into your computer’s serial port.
4. Plug the telephone cable into the connector marked LINE on the back of the modem.
5. Plug the other end of the telephone cable into a telephone wall jack.
6. Make sure to verify the modem power switch is in the off position (located n the front panel). Plug
      the AC adapter’s power cord into the connector marked POWER on the back of the modem.
7. Plug the transformer end of the AC adapter into a standard AC wall outlet.
8. Optionally connect: (1) your telephone to the modem’s PHONE connector. Lift the handset and
      listen for a dial tone to check for a working connection. (2) a speaker to the modem’s SPK connector,
      and (3) a microphone to the modem’s MIC connector.
9. Turn on the modem. The modem should perform a self-test, and then be ready for use. You may
      now turn on your computer.

Note: The SPK and MIC jacks are optional feature which may not be available on your modem.

      Your external modem features LED indicators on the front panel that report modem status:
      MR Modem Ready              On when modem is ready to work
      TR Terminal Ready           On when DTR signal is active
      SD Send Data                On when modem is transmitting data to remote modem
      RD Receive Data             On when modem is receiving data from remote modem
      OH Off Hook                 On when modem is off hook
      CD Carrier Detect           On when remote carrier has been detected
      RS Request to Send          On when RTS signal is active
      CS Clear to Send            On when CTS signal is active


2.2 Internal Modem Installation
The following steps provide instructions for installing your internal modem.
Hardware Installation
1. Turn off the power of your computer and unplug the AC cord to your computer.
2. Carefully, take the cover off your computer.
3. Plug your modem card into an available ISA slot.
4. Replace the cover.
5. Plug the AC power cord to your computer and turn the power on.

Make Connections
1. Make sure the your computer is still powered down. Plug either end of the RJ-11 cable
   provided with the modem into the LINE jack on the modem board.
2. If a phone is plugged into the wall jack, unplug the phone cable. Then plug the other end of the
   modem cable into the telephone wall jack.
3. To continue using the phone, connect the phone cable into the PHONE jack on the modem board.


                                                     2
4.   Connect devices to microphone and speaker jacks.




2.3 Com Port and Interrupt Settings
If your computer is equipped with one or more serial ports, you will need to change the COM port setting
on the internal modem (to either COM 3 or 4), or disable the PC's built-in COM port. Most IBM
compatible PCs contain two built-in ports for serial asynchronous communication. Known as COM1 and
COM2. Most computers also support COM3 and COM4. COM Ports 3&4 are used whenever other
devices are using COM Ports 1 &2. An IRQ (interrupt request) is a signal generated by an I/O device that
notifies the computer of incoming data. Your computer has many different IRQ lines, each assigned a
number. Your internal modem is capable accessing IRQs 3, 4, 5, 7, 9, 10, 11 and 12. I/O devices in your
computer cannot share an IRQ with another device at the same time. Common IRQ assignments for COM
1 to COM 4 ports are:

                                   Comport                    IRQ
                                     1                         4
                                     2                         3
                                     3                         4
                                     4                         3

Since IRQs can not be shared at the same time. If you want to configure COM 3 to use IRQ 10, or COM
4 to use IRQ9, and so on. This avoids sharing of IROs with COM 1 and COM 2. To change the common
COM port or IRO settings from COM 1/IRQ 4 to another setting, locate the Switch Block SW1~6 and
jumper 2,5,7,8 on your internal modem. The SW5~6 can configure the COM port and SW1~4, jumper
2,5,7,8 configure the IRQ 3,4,5,7,9,10,11 or 12.


                                              PnP                   JP       JP11
                                           ENABLE               1~2           1~2
                                              PnP               JP10         JP11
                                          DISABLE               2~3           2~3


                      PORT IRQ               sw1         sw2         sw3      sw4        sw5       sw6
                                           (IRQ5) (IRQ4) (IRQ3) (IRQ7)
     NONPNP            COM1         4        OFF         ON          OFF      OFF         ON        ON
                       (03f8)
                       COM2         3        OFF        OFF          ON       OFF         ON       OFF
                       (02f8)
     MODEM             COM3         4        OFF         ON          OFF      OFF        OFF        ON
                       (03e8)
                       COM4         3        OFF        OFF          ON       OFF        OFF       OFF
                       (02e8)


                                          JP2           JP5         JP7       JP8
                                         IRQ9          IRQ11 IRQ10          IRQ12


                                                   3
 For example, you will change the modem’s operating setting from COM4/IRQ3 to
 COM3/IRQ10, the setting table as following:

 Before setting:
                                              Non-PnP mode


        PORT         IRQ       SW1(IRQ5) SW2(IRQ4) SW3(IRQ3) SW4(IRQ7) SW5(Addr) SW6(Addr)
    COM4(02e8)        3          OFF            OFF             ON             OFF            OFF           OFF


                                        JP2(IQR9) JP5(IRQ11) JP7(IRQ10) JP8(IRQ12)
                                          OPEN            OPEN         OPEN            OPEN


    After Setting:


         PORT          IRQ       SW1(IRQ5) SW2(IRQ4) SW3(IRQ3) SW4(IRQ7) SW5(Addr) SW6(Addr)
     COM3(03e8)           10       OFF             OFF            OFF             OFF             OFF         ON


                                       JP2(IQR9) JP5(IRQ11) JP7(IRQ10) JP8(IRQ12)
                                        OPEN          OPEN         SHORT           OPEN


Note:
 1. In non-PnP mode, the COM or IRQ setting for the modem is changed, the settings in the
 software must be changed to match.
 2. You can only enable one of the jumpers or SW1~4 to avoid IRQs conflict.
 3.   In PnP mode, sw1~4 and jumper 2,5,7,8 must locate at the ‘OFF’. and are disabled.


 2.4 Software Installation and Configuration
 You are now ready to Install and configure the communication software. Refer to your software manual
 for installation procedures.

 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.

 115200 bps; 8 data bits; no parity; 1 stop bit; RTS/CTS flow control set to "on"; initialization string:
 AT&F

 Note:
 In non-PnP mode, your software must be configured to communicate with the modem on the same COM
 port and IRO line used by the modem.




                                                      4
1.   Start Windows 95, an “Ambit Plug & Play Controller for Rockwell 56K Modem” dialog with
     drive selected will appear. Click “Next”.




                                                                               2.   Insert diskette
 that came with the modem and click Next to continue.

3.    Windows will find the following updated driver.




                                                  5
4.   Click Finish.


5.   Copying files is in progress.




                                     6
6.   After Windows 95 finishes loading, select My Computer\Control Panel\System\Device
     Manager.




7.   Under the Icon “Modems” K56 par, W, Voice, Speakerphone, AudioSpan, PnP will appear.
8.   Under the Icon “Sound, video and game controllers” Rockwell Voice Modem Serial Wave Device
     will appear.

2.5 Using The Internal Modem with Microsoft Windows 3.1
It is very important that you configure Windows 3.1 to recognize the PCMCIA modem after installation or
when the modem’s COM/IRQ settings have been changed. For example you may change the modem’s
operating setting from COM4/IRQ3 to COM3/IRQ10 (or COM4/IRQ9) to avoid hardware conflicts with
other serial devices in your system. After installation or setting changes, make sure Windows is properly
configured before running your Windows communication software.

To configure Windows 3.1 with a new modem installation, from within Windows 3.1, select the
PROGRAM MANAGER, select the MAIN group and then double click on the CONTROL PANEL.
Double click on PORTS and then select the serial port that your modem is installed on. Click the Settings
button. Click the Advanced button. Change the Base I/O Port Address entry to read 02E8. Change the
Interrupt Request Line (IRQ) entry to read 3. After the changes are made, click on the OK button.
Click the Restart button.

To reconfigure Windows 3.1 with new modem COM/IRQ settings, from within Windows 3.1, select the
PROGRAM MANAGER, select the MAIN group and then double click on the CONTROL PANEL.
Double click on PORTS and then select the serial port that your modem is installed on. Click the Settings
button. Click the Advanced button. Change the Base I/O Port Address and Interrupt Request Line
(IRQ) entries to match the address and IRQ on the modem. If you have set the modem to IRQ2, do not
select IRQ2. You will need to set the IRQ in control Panel to IRQ9 for Windows to recognize the modem
(In a 286 or later system, IRQ9 is redirected to IRQ2). After the changes are made, click on the OK
button. Click the Restart button. Windows will now recognize your modem after it restarts.

                                                   7
2.6 Testing Your Modem
In order to check if the modem is installed properly, make sure that the COM Port and IRQ settings
of the modem match the software. Type AT on your terminal screen and press ENTER. The modem
should respond by displaying an OK (or 0). If it does not, either the modem may not
have been installed properly or the software has not been properly configured.



2.7 Using Your Modem
The communication software included with your modem provides a user friendly interface to
access the data, fax and voice. modem may also perform basic communication functions (such as
dialing) via the AT commands. Please refer to AT Commands for detailed description. Since the
communication software is designed to shield the user from the difficult and cumbersome AT commands,
we strongly suggest that all modem operations be performed via the software.


Section Three: Troubleshooting
If you encounter problems while using your modem, please read this chapter. If you can not resolve your
difficulties 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 with the correct COM port and IRQ setting
   (same COM port and IRQ setting as the modem). Your communication software will not be able to
   send or receive any data if it is not configured to match the COM and IRQ settings for the modem.
2. Make sure that your modem is initialized correctly. Your modem may have been improperly
   initialized by the software because you have selected an incorrect modem type. You may also be
   prompted to enter an initialization string by the software. Use AT&F as your initialization string.

Modem does not dial.
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.

Modem dials but does not connect.
1. Make sure the IRQ setting is identical on both the modem and the software.
2. Make sure the phone line is working properly. A noisy line will prevent proper modem operation.

Modem makes a connection but no data appears on your screen.
1. Make sure all communication parameters (baud rate, data, stop, and parity bits) are properly
configured and are identical on both sides. Be certain hardware flow control (RTS/CTS - default) is
     enabled in both the modem and the communication software.
2. Press the ENTER key several times. The remote system may be waiting to receive your data
before it begins.

Modem experiences errors while on-line with a remote modem.
1. Make sure Call Waiting is turned off.
2. Make sure RTS/CTS hardware flow control is enabled (do not use XON/XOFF software flow
   control when transferring binary files).
3. Make sure the data speed is not faster than your computer’s capability. Most IBM compatibles are
   capable of 19,200 bps under DOS and Windows 3.x. Operating at higher speeds under Windows
   requires a faster CPU (386 or better).

Modem exhibits poor voice record or playback.
1. Make sure the correct modem type is selected in the Voice/FAX software.
2. Make sure your computer is fast enough to handle voice operations (38.4Kbps). Voice operations
   are CPU intensive and require a 386/33 or better CPU when running under MS Windows.


                                                  8
Section Four:          AT Commands
Basic AT Commands
Command   Function                                   Command Function
A/        Re-execute command                         A       Go off-hook and attempt to answer a call
B0        Select V.22 connect @1200 bps              B1      Select Bell 212A connect @1200 bps
C1        Return OK message                          Dn      Dial modifier
E0        Turn off command echo                      E1      Turn on command echo
H0        Initiate a hang-up sequence                H1      If on-hook, go off-hook and enter
I0        Report product code                                command mode
I1        Report pre-computed checksum               I2      Report “OK” if the calculated checksum
I3        Report firmware revision, model,                   equals the prestored checksum or if the
          and interface type                                 prestored checksum value is FFh
I4        Report response programmed by OEM I5               Report the country code parameter
I6        Report modem data pump model               I7      Report the DAA code
          and code revision                          L0      Set low speaker volume
L1        Set low speaker volume                     L2      Set medium speaker volume
L3        Set high speaker volume                    M0      Turn speaker off
M1        Turn speaker on during handshaking         M2      Turn speaker on during handshaking and
          and turn speaker off while receiving               while receiving carrier
          carrier                                    M3      Turn speaker off during dialing and
N0        Turn off automode detection                        receiving carrier and turn speaker on
N1        Turn on automode detection                         during answering
O0        Go on-line                                 O1      Go on-line and initiate a retrain sequence
P         Force pulse dialing                        Q0      Allow result codes to DTE
Q1        Inhibit result codes to DTE                Sn      Select S-Register n as default
Sn?       Return the value of S-Register n           Sn=v    Set default S-Register n to value v
T         Force DTMF dialing
V0        Report short form result codes             V1      Report long form result codes
W0        Report DTE speed only                      W1      Report line speed, EC protocol and DTE
W2        Report DCE speed only                              speed
X0        Report basic call progress result codes, X1        Report basic call progress result codes
          i.e., Ok, Connect, Ring, No Carrier                and connections speeds (Ok, Connect,
          (also, for busy, if enabled, and dial tone         Ring, No Carrier (also, for busy, if
          not detected), No Answer and Error                 enabled, and dial tone not detected), No
X2        Report basic call progress result codes            Answer, Connect XXXX, and Error
          and connections speeds, i.e., Ok,          X3      Report basic call progress result codes
          Connect, Ring, No Carrier (also, for               and connections rate, i.e., Ok, Connect,
          busy, if enabled, and dial tone not                Ring, No Carrier, No Answer, Connect
          detected), No Answer, Connect XXXX, XXXX, Busy, and Error
          and Error                                  Y0      Disable long space disconnect before on-
X4        Report all call progress result codes              hook
          and connections rate, i.e., Ok, Connect, Y1        Enable long space disconnect before on-
          Ring, No Carrier, No Answer, Connect               hook
          XXXX, Busy, No Dial Tone and Error Z0              Restore stored profile 0 after warm reset
Z1        Soft reset and restore stored profile 1 &C0        Soft reset and force RLSD active
          after warm reset                                   regardless of the carrier state
&C1       Allow RLSD to follow the carrier state
&D0       Interpret DTR On-to-OFF transition         &D1     Interpret DTR On-to-OFF transition
          per &Qn                                            per &Qn
          &Q0, &Q5, &Q6 The modem ignores DTR                &Q0, &Q1, &Q4, &Q5, &Q6 Asynchronous escape
          &Q1, &Q4    The modem hangs up                     &Q2, &Q3               The modem hangs up
          &Q2, &Q3    The modem hangs up
&D2       Interpret DTR On-to-OFF transition      &D1        Interpret DTR On-to-OFF transition
          per &Qn                                            per &Qn
          &Q0 through &Q6 The modem hangs up                 &Q0, &Q1, &Q4, &Q5, &Q6 Soft reset
                                                             &Q2, &Q3               The modem hangs up
Note: Bold face indicates default value

                                                   9
&F0     Restore factory configuration 0          &F1    Restore factory configuration 1
&G0     Disable guard tone                       &G1    Disable guard tone
&G2     Enable 1800 Hz guard tone                &J0    Set S-Register response only for com-
&J1     Set S-Register response only for com-           patibility
        patibility                               &K0    Disable DTE/DCE flow control
&K3     Enable RTS/CTS DTE/DCE flow              &K4    Enable XON/XOFF DTE/DCE flow
        control                                         control
&K5     Enable transparent XON/ XOFF             &K6    Enable both RTS/CTS and XON/XOFF
        flow control                                    flow control
&L0     Select dial up line operation            &M0    Select direct asynchronous mode
&M1     Select sync connect with async off-      &M2    Select sync connect with async off-
        line command mode                               line command mode and enable DTR
&M3     Select sync connect with async off-             dialing of directory zero
        line command mode and enable DTR &P0            Set 10 pps pulse dial with 39%/61%
        to act as Talk/Data switch                      make/break
&P1     Set 10 pps pulse dial with 33%/67%       &P2    Set 20 pps pulse dial with 39%/61%
        make/break                                      make/break
&P3     Set 20 pps pulse dial with 33%/67%       &Q0    Select direct asynchronous mode
        make/break                               &Q1    Select sync connect with async off-
&Q2     Select sync connect with async off-             line command mode
        line command mode and enable DTR &Q3            Select sync connect with async off-
        dialing of directory zero                       line command mode and enable DTR
&Q4     Select Hayes AutoSync mode                      to act as Talk/Data switch
&Q5     Modem negotiates an error corrected &Q6         Select asynchronous operation in normal
        link                                            mode
&R0     CTS tracks RTS (sync) or CTS is          &R1    CTS is always active (sync) or CTS is
        normally ON and will turn OFF                   normally ON and will turn OFF
        only if required by flow control (async)        only if required by flow control (async)
&S0     DSR is always active                     &S1    DSR will become active after answer
&T0     Terminate any test in progress                  tone has been detected and inactive after
&T1     Initiate local analog loopback                  the carrier has been lost
&T2     Returns ERROR result code                &T3    Initiate local digital loopback
&T4     Allow remote digital loopback (RDL) &T5         Disallow remote digital loopback request
&T6     Request an RDL without self-test         &T7    Request an RDL with self-test
&T8     Initiate local analog loop with self-    &V     Display current configuration and stored
        test                                            profiles
&V1     Display last connection statistics
&W0     Store the current configuration as       &W1    Store the current configuration as
        profile 0                                       profile 1
&X0     Select internal timing for the transmit &X1     Select external timing for the transmit
        clock                                           clock
&X2     Select slave receive timing for the      &Y0    Recall stored profile 0 upon power up
        transmit clock                           &Y1    Recall stored profile 1 upon power up
&Zn=x Store dial string x (up to 34 digits)      %E0    Disable line quality monitor and auto
        to location n (0 to 3)                          retrain
%E1     Enable line quality monitor and auto     %E2    Enable line quality monitor and fallback/
        retrain                                         fall forward
%L      Return received line signal level        %Q     Report the line signal quality
When modem receives a break from the DTE:
\K0,2,4 Enter on-line command mode, no           \K1    Clear buffers and send break to remote
        break sent to the remote modem                  modem
\K3     Send break to remote modem               \K5    Send break to remote modem in sequence
        immediately                                     with transmitted data
When modem receives \B in on-line command state:
\K0,1   Clear buffers and send break to remote \K2,3    Send break to remote modem immediately
        modem
\K4,5   Send break to remote modem in sequence with transmitted data
When modem receives break from the remote modem:

                                               10
\K0,1    Clear data buffers and send break to   \K2,3     Send a break immediately to DTE
         DTE                                    \K4,5     Send a break with received data to the
                                                          DTE
\N0      Select normal speed buffered mode     \N1        Select direct mode
\N2      Select reliable link mode             \N3        Select auto reliable mode
\N4      Force LAPM mode                       \N5        Force MNP mode
\V0      Connect messages are controlled       \V1        Connect messages are displayed in the
         by the command settings X, W, and S95            single line format
+MS      Select modulation                     +H0        Disable Rockwell Protocol Interface (RPI)
+H1      Enable RPI and set DTE speed to                  /Video ready mode
         19200 bps                             +H2        Enable RPI and set DTE speed to 38400 bps
+H3      Enable RPI and set DTE speed to       +H11       Enable RPI+ mode
         57600 bps                             +H16       Enable Video Ready mode
**0      Download to flash memory at last      **1        Download to flash memory at 38.4 kbps
         sensed speed                          **2        Download to flash memory at 57.6 kbps
-SDR=0   Disable distinctive ring              -SDR=1     Enable distinctive ring type 1
-SDR=2   Enable distinctive ring type 2        -SDR=3     Enable distinctive ring type 1 and 2
-SDR=4   Enable distinctive ring type 3        -SDR=5     Enable distinctive ring type 1 and 3
-SDR=6   Enable distinctive ring type 2 and 3  -SDR=7     Enable distinctive ring type 1, 2 and 3

ECC Commands
%C0      Disable data compression               %C1       Enable MNP 5 data compression
%C2      Enable V.42 bis data compression       %C3       Enable both V.42 bis and MNP 5
                                                          compression
\A0      Set maximum block size in MNP to 64 \A1          Set maximum block size in MNP to 128
\A2      Set maximum block size in MNP to 192 \A3         Set maximum block size in MNP to 256
\Bn      Send break of n x 100 ms

MNP 10 Commands
-K0      Disable MNP 10 extended services      -K1        Enable MNP 10 extended services
-K2      Disable MNP 10 extended services      -SEC=0 Disable MNP 10-EC
         detection only
-SEC=1, [<tx level>] Enable MNP 10-EC and set transmit level<tx level> 0 to 30 (0 dBm to -30 dBm)

FAX Class 1
+Fclass=1 Service class                         +FAE=0    Disable data/fax auto answer
+FAE=1 Enable data/fax auto answer              +FRH=n    Receive data with HDLC framing
+FRM=n Receive data                             +FRS=n    Receive silence, nx10 ms
+FTH=n Transmit data with HDLC framing          +FTM=n    Transmit data
+FTS=n Stop transmission and wait, nx10 ms

Voice/Audio Commands
#BDR     Select baud rate (turn off autobaud)   #CLS      Select data, fax, or voice
#MDL?    Identify model                         #MFR?     Identify model
#REV?    Identify revision level                #SPK=     Speakerphone setting
#TL      Audio output transmit level            #VBQ?     Query buffer size
#VBS     Bits per sample                        #VBT      Beep tone timer
#VCI?    Identify compression method            #VGT      Set playback volume in the command
#VLS     Voice line select                                state
#VRA     Ringback goes away timer               #VRN      Ringback never came timer
#VRX     Voice receive mode                     #VSD      Enable silence delection
#VSK     Buffer skid setting                    #VSP      Silence detection period
#VSR     Sampling rate selection                #VSS      Silence detection tuner
#VTD     DTMF/tone reporting                    #VTM      Enable timing mark placement
#VTS     Generate tone signals                  #VTX      Voice transmit mode
AudioSpan and DSVD Commands
-SMS=    Select AudioSpan/DSVD mode             -SSE=     Enable/Disable DSVD
-SQS=    Select AudioSpan modulation

                                                11
Synchronous Access Mode Commands
+ES    Enables and disables Synchronous Access Mode in client or central site modem
+ESA   Configures the operation of the Synchronous Access Submode
+ITF   Selects Transmit Flow Control Thresholds




                                             12
Section Five:         S-Registers
Register Function                                  Range/units            Default
S0 Rings to auto-answer                            0-255/rings            0
S1 Ring counter                                    0-255/rings            0
S2 Escape character                                0-255/ASCII            43
S3 Carriage return character                       0-127/ASCII            13
S4 Line feed character                             0-127/ASCII            10
S5 Backspace character                             0-255/ASCII            8
S6 Wait time for dial tone                         2-255/s                2
S7 Wait time for carrier                           1-255/s                50
S8 Pause time for dial delay modifier              0-255/s                2
S9 Carrier detect response time                    1-255/.1 s             6
S10 Carrier loss disconnect time                   1-255/.1 s             14
S11 DTMF tone duration                             50-255/.001 s          95
S12 Escape prompt delay                            0-255/.02 s            50
S14 General bit mapped options status                                     138 (8Ah)
S16 Test mode bit mapped options status (&T)                              0
S18 Test timer                                     0-255/s                0
S19 AutoSync options                                                 0
S20 AutoSync HDLC address or BSC                   0-255                  0
     Sync character
S21 V.24/general bit mapped options status                                52 (34h)
S22 Speaker/results bit mapped options status                             117 (75h)
S23 General bit mapped options status                                     62 (3Dh)
S24 Sleep inactivity timer                         0-255/s                0
S25 Delay to DTR off                               0-255/s or .01s        5
S26 RTS-to-CTS delay                               0-255/.01 s            1
S27 General bit mapped options status                                     73 (49h)
S28 General bit mapped options status                                     0
S29 Flash dial modifier time                  0-255/10 ms            70
S30 Disconnect inactivity timer                    0-255/10 s             0
S31 General bit mapped options status                                     194 (C2h)
S32 XON character                                  0-255/ASCII            17 (11h)
S33 XOFF character                                 0-255/ASCII            19 (13h)
S36 LAPM failure control                                                  7
S37 Line connection speed                                                 0
S38 Delay before forced hangup                     0-255/s                20
S39 Flow control bit mapped options status                                3
S40 General bit mapped options status                                     104 (68h)
S41 General bit mapped options status                                     195(C3h)
S46 Data compression control                                              138
S48 V.42 negotiation control                                              7
S82 LAPM break control                                                    128 (40h)
S86 Call failure reason code                       0-255
S91 PSTN transmit attenuation level                0-15/dBm               10 (country dependent)
S92 Fax transmit attenuation level                 0-15/dBm               10 (country dependent)
S95 Result code messages control                                          0




                                                13
Section Six:    Result Code Summary
OK                     0              CONNECT                 1
RING                   2              NO CARRIER              3
ERROR                  4              CONNECT 1200            5
NO DIAL TONE           6              BUSY                    7
NO ANSWER              8              CONNECT 0600            9
CONNECT 2400           10             CONNECT 4800            11
CONNECT 9600           12             CONNECT 7200            13
CONNECT 12000          14             CONNECT 14400           15
CONNECT 19200          16             CONNECT 38400           17
CONNECT 57600          18             CONNECT 115200          19
CONNECT 230400         20             CONNECT 75TX/1200RX     22
CONNECT 1200TX/75RX    23             DELAYED                 24
BLACKLISTED            32             FAX                     33
DATA                   35             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          52             CARRIER 16800           53
CARRIER 19200          54             CARRIER 21600           55
CARRIER 24000          56             CARRIER 26400           57
CARRIER 28800          58             CONNECT 16800           59
CONNECT 21600          61             CONNECT 24000           62
CONNECT 26400          63             CONNECT 28800           64
COMPRESSION: CLASS 5   66             COMPRESSION: V.42 bis   67
COMPRESSION: NONE      69             PROTOCOL: NONE          70
PROTOCOL: LAPM         77             CARRIER 31200           78
CARRIER 33600          79             CONNECT 33600           84
CONNECT 31200          91             CARRIER 32000           150
CARRIER 34000          151            CARRIER 36000           152
CARRIER 38000          153            CARRIER 40000           154
CARRIER 42000          155            CARRIER 44000           156
CARRIER 46000          157            CARRIER 48000           158
CARRIER 50000          159            CARRIER 52000           160
CARRIER 54000          161            CARRIER 56000           162
CONNECT 32000          165            CONNECT 34000           166
CONNECT 36000          167            CONNECT 38000           168
CONNECT 40000          169            CONNECT 42000           170
CONNECT 44000          171            CONNECT 46000           172
CONNECT 48000          173            CONNECT 50000           174
CONNECT 52000          175            CONNECT 54000           176
CONNECT 56000          177            +FCERROR                +F4




                                 14
Section Eleven - Telecom Notices
11.1 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 information to your telephone company.
If your telephone equipment causes harm to the telephone network, the Telephone Company may
discontinue your service temporarily. If posible, they will be notify in advience. But if advance notice isn’t
practical, you will 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 you maintain uninterrupted telephone service.
The FCC prohibits this equipment’s should fail to operate properly, disconnect the equipment from the
phone line to determine if it is causing the problem. If the problem is with the equipment, discontinue use
and contact your dealer or vendor.

11.2 FCC Class B Statement
This equipment has been tasted 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 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
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on , the user is encouraged
to try to correct the interferencr by one or more of the following measures:
 Reorient or relocate the receiving antenna
 increase the separation between the equipment and the receiver
 Connect the equipment into an outlet on a circuit different from that to which the receiver is
      connected
 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 authorized could void the
user authority to operate the equipment.

11.3 Industry Canada Compliance Information
Notice :    The Canadian Industry Canada label identifies certified equipment. This certification means
that equipment meets certain telecommunication network protective, operational and safety requirements.
The Department does not guarantee the equipment will operate to the user satisfaction.
Before installing this equipment, users 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. The customer should be aware that 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.


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:
                                                     15
Users should not attempt to make such connections themselves, but should contact the appropriate electric
inspection authority, or electrician, as appropriate.
“NOTICE:
The Ringer Equivalence Number (REN) assigned to each terminal device provides an
indication of the maximum number of terminals allowed to be connected to a telephone
interface. The termination on an interface may consist of any combination of devices
subject only to the requirement that the sum of the Ringer Equivalence Numbers of all
the devices does not exceed 5 “




                                                   16

				
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