(TXT) View Source
# MULTI-TECH SYSTEMS, INC.
MT3334ZDX, MT3334ZDXV
Card Type Modem, Fax
Chip Set Unidentified
I/O Options Serial ports, power jack, line in, line
out
Maximum Modem Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
Protocol
ITU-T V.32bis, V.34
Fax Modulation ITU-T V.17
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Unidentified
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in via RJ-11 | CN1 | Serial port | CN3 |
|-----------------------------+---------+-------------+------|
| Line out via RJ-11 | CN2 | Power jack | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+----------------+----------+----------------------|
| TD | Unidentified | Blinking | Modem transmitting |
| | | | data |
|---------+----------------+----------+----------------------|
| TD | Unidentified | Off | Modem not |
| | | | transmitting data |
|---------+----------------+----------+----------------------|
| RD | Unidentified | Blinking | Modem is receiving |
| | | | data |
|---------+----------------+----------+----------------------|
| RD | Unidentified | Off | Modem is not |
| | | | receiving data |
|---------+----------------+----------+----------------------|
| CD | Unidentified | On | Carrier signal |
| | | | detected |
|---------+----------------+----------+----------------------|
| CD | Unidentified | Off | Carrier signal not |
| | | | detected |
|---------+----------------+----------+----------------------|
| V.34 | Unidentified | On | Modem connected in |
| | | | V.34 mode at |
| | | | 33.6Kbps |
|---------+----------------+----------+----------------------|
| V.34 | Unidentified | Off | Modem is not |
| | | | connected in V.34 |
| | | | mode at 33.6Kbps |
|---------+----------------+----------+----------------------|
| V.32bis | Unidentified | On | Modem connected in |
| | | | V.32bis mode or less |
|---------+----------------+----------+----------------------|
| V.32bis | Unidentified | Off | Modem is not |
| | | | connected in V.32bis |
| | | | mode |
|---------+----------------+----------+----------------------|
| 9.6 | Unidentified | On | Modem is connected |
| | | | at 9.6Kbps |
|---------+----------------+----------+----------------------|
| 9.6 | Unidentified | Off | Modem is not |
| | | | connected at 9.6Kbps |
|---------+----------------+----------+----------------------|
| OH | Unidentified | On | Modem is on-hook |
|---------+----------------+----------+----------------------|
| OH | Unidentified | Off | Modem is off-hook |
|---------+----------------+----------+----------------------|
| TR | Unidentified | On | DTR signal is high |
|---------+----------------+----------+----------------------|
| TR | Unidentified | Off | DTR signal is low |
|---------+----------------+----------+----------------------|
| EC | Unidentified | On | Modem is set for |
| | | | V.42 error |
| | | | compression |
|---------+----------------+----------+----------------------|
| EC | Unidentified | Off | Modem is not set for |
| | | | V.42 error |
| | | | compression |
|---------+----------------+----------+----------------------|
| EC | Unidentified | Blinking | Data compression |
| | | | enabled |
|---------+----------------+----------+----------------------|
| FAX | Unidentified | On | Modem is in Fax mode |
|---------+----------------+----------+----------------------|
| FAX | Unidentified | Off | Modem is not in Fax |
| | | | mode |
+------------------------------------------------------------+
+---------------------------------------------------------+
| SUPPORTED COMMAND SET |
|---------------------------------------------------------|
| Basic AT Commands |
|---------------------------------------------------------|
| AT, A/ |
|---------------------------------------------------------|
| A, B, E, F, H, M, O, Q, S, V, Y, Z |
|---------------------------------------------------------|
| &C, &F, &G, &V, &Z |
|---------------------------------------------------------|
| Extended AT Commands |
|---------------------------------------------------------|
| \V |
|---------------------------------------------------------|
| S Registers |
|---------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S10, S11, S30 |
|---------------------------------------------------------|
| |
|---------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+---------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| TRANSMIT CARRIER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the transmit carrier switching |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| C1 | Transmit carrier enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials telephone number according to any |
| | modifiers included in the string |
|--------------+---------------------------------------------|
| Note: | Any combination of modifiers can be used to |
| | produce the desired dial functions in |
| | sequence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DL | Re-dial last number |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled |
|--------------+---------------------------------------------|
| DS=n | Dial stored telephone number n |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled/Pulse dialing disabled |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for quiet Answer function enabled. |
| | Modem waits until a "quiet answer," a |
| | ring-back signal followed by silence up to |
| | the time specified in S7, is received prior |
| | to executing the rest of the dial string. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
|--------------+---------------------------------------------|
| D$ | Calling card "Bong" detection enabled |
|--------------+---------------------------------------------|
| DV | Switch to speakerphone |
|--------------+---------------------------------------------|
| D^ | Data calling tone transmission disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports default speed and controller |
| | firmware code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports default speed and controller |
| | firmware code |
|--------------+---------------------------------------------|
| I4 | Reports data pump model and revision code |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-MODE DETECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various options for the automatic |
| | detection and negotiation of protocols |
| | during the handshake process if the modem |
| | is communicating with a remote modem of |
| | dissimilar speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| N0 | In originate mode, handshake begins at line |
| | speed designated by the S37 register and |
| | the B command |
|--------------+---------------------------------------------|
| N1 | In originate mode, handshake begins at line |
| | speed designated by the S37 register. and |
| | the B command Modem can shift to a slower |
| | speed if necessary. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SELECT CALL PROGRESS RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of tone detection and |
| | associated result code format options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| X0 | Busy and dial tone detection disabled; |
| | basic result codes enabled. |
|--------------+---------------------------------------------|
| X1 | Busy and dial tone detection disabled; |
| | extended result codes enabled. |
|--------------+---------------------------------------------|
| X2 | Busy tone detection disabled, dial tone |
| | detection enabled; extended result codes |
| | enabled. |
|--------------+---------------------------------------------|
| X3 | Busy tone detection enabled, dial tone |
| | detection disabled; extended result codes |
| | enabled. |
|--------------+---------------------------------------------|
| X4 | Busy and dial tone detection disabled; |
| | extended result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &D0 | Modem does not respond to DTR |
|--------------+---------------------------------------------|
| &D1 | Modem goes to command mode after DTR goes |
| | is off |
|--------------+---------------------------------------------|
| &D2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|--------------+---------------------------------------------|
| &D3 | Modem is initialized after DTR goes off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUXILLARY RELAY CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &J [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auxiliary relay |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &J0 | Auxiliary relay remains open |
|--------------+---------------------------------------------|
| &J1 | Not supported |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| &K3 | RTS to CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &M0 | Asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &Q0 | Asynchronous mode, serial port speed |
| | follows connect speed. |
|--------------+---------------------------------------------|
| &Q5 | Error correction mode |
|--------------+---------------------------------------------|
| &Q6 | Buffered asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Tn |
|--------------+---------------------------------------------|
| Description: | Selects test options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &T0 | End current test |
|--------------+---------------------------------------------|
| &T1 | Begin local analog loopback test |
|--------------+---------------------------------------------|
| &T3 | Begin local digital loopback |
|--------------+---------------------------------------------|
| &T6 | Request remote digital loopback |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE ACTIVE PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes the values for the active profile |
| | into the non-volatile RAM |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &W0 | Write the active profile to NVRAM |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESTORE PROFILE ON POWER-UP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Yn [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores a selected profile into the active |
| | profile on power-up (hard reset) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &Y0 | Restore profile 0 on power-up |
+------------------------------------------------------------+
Extended AT Commands
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------------+--------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|---------------------+--------------------------------------|
| Description: | Configures action of break signal |
|------------------------------------------------------------|
| Command | Break from | Modem receives | Break received |
| | DTE | \B | from remote |
| | | | modem |
|------------+-------------+----------------+----------------|
| \K5 | Send break | Send break | Break sent |
| | with | with | with received |
| | transmitted | transmitted | data to the |
| | data | data | DTE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | V.42/MNP auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
|--------------+---------------------------------------------|
| \N5 | V.42, MNP, or normal mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | V.42bis/MNP5 enabled |
+------------------------------------------------------------+
Special Commands
+------------------------------------------------------------+
| DTR DIALING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables DTR dialing |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| $D0 | DTR dialing disabled |
|--------------+---------------------------------------------|
| $D1 | DTR dialing enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODEM BAUD RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $MBn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem baud rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| $MB75 | CCITT V.23 mode |
|--------------+---------------------------------------------|
| $MB300 | 300bps |
|--------------+---------------------------------------------|
| $MB1200 | 1200bps |
|--------------+---------------------------------------------|
| $MB2400 | 2400bps |
|--------------+---------------------------------------------|
| $MB4800 | 4800bps |
|--------------+---------------------------------------------|
| $MB9600 | 9600bps |
|--------------+---------------------------------------------|
| $MB14400 | 14.4Kbps |
|--------------+---------------------------------------------|
| $MB19200 | 19.2Kbps |
|--------------+---------------------------------------------|
| $MB28800 | 28.8Kbps |
|--------------+---------------------------------------------|
| $MB33600 | 33.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT BAUD RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $SBn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects serial port baud rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| $SB300 | 300bps |
|--------------+---------------------------------------------|
| $SB1200 | 1200bps |
|--------------+---------------------------------------------|
| $SB2400 | 2400bps |
|--------------+---------------------------------------------|
| $SB4800 | 4800bps |
|--------------+---------------------------------------------|
| $SB9600 | 9600bps |
|--------------+---------------------------------------------|
| $SB19200 | 19.2Kbps |
|--------------+---------------------------------------------|
| $SB38400 | 38.4Kbps |
|--------------+---------------------------------------------|
| $SB57600 | 57.6Kbps |
|--------------+---------------------------------------------|
| $SB115200 | 115.2Kbps |
+------------------------------------------------------------+
S(STATUS) -REGISTERS
+------------------------------------------------------------+
| ESCAPE CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S9=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 1-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Defines remote configuration escape |
| | character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 MODULATION |
|------------------------------------------------------------|
| Type: | Register |
|----------------+-------------------------------------------|
| Format | AT [cmds] S28=n [cmds] |
|----------------+-------------------------------------------|
| Range: | 0-255 |
|----------------+-------------------------------------------|
| Unit: | Decimal |
|----------------+-------------------------------------------|
| Description: | Enables V.34 modulation |
|------------------------------------------------------------|
| Note: S28=0 disables V.34 modulation. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25 CALLING TONE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S35=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-1 |
|--------------+---------------------------------------------|
| Unit: | Decimal |
|--------------+---------------------------------------------|
| Description: | Enables V.25 data calling tone, which |
| | allows remote data/fax/voice discrimination |
|------------------------------------------------------------|
| Note: S35=0 disables V.25 data calling tone. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION NEGOTIATION |
|------------------------------------------------------------|
| Type: | Register |
|------------------------+-----------------------------------|
| Format | AT [cmds] S36=n [cmds] |
|------------------------+-----------------------------------|
| Description: | Selects the action of the modem |
| | if it fails to connect when error |
| | control is selected. |
|------------------------------------------------------------|
| Command | S48=7 | S48=128 |
|-----------+-----------------------+------------------------|
| S36=0 | LAPM or hang-up | Not used |
|-----------+-----------------------+------------------------|
| S36=1 | LAPM or Asynchronous | Asynchronous |
|-----------+-----------------------+------------------------|
| S36=2 | LAPM or hang-up | Not used |
|-----------+-----------------------+------------------------|
| S36=3 | LAPM or Asynchronous | Asynchronous |
|-----------+-----------------------+------------------------|
| S36=4 | LAPM, MNP, or hang-up | MNP or hang-up |
|-----------+-----------------------+------------------------|
| S36=5 | LAPM, MNP, or | MNP or Asynchronous |
| | Asynchronous | |
|-----------+-----------------------+------------------------|
| S36=6 | LAPM, MNP, or hang-up | MNP or hang-up |
|-----------+-----------------------+------------------------|
| S36=7 | LAPM, MNP, or | MNP or Asynchronous |
| | Asynchronous | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during handshake process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S37=0 | Maximum speed |
|--------------+---------------------------------------------|
| S37=1 | Reserved |
|--------------+---------------------------------------------|
| S37=2 | 1200/75bps |
|--------------+---------------------------------------------|
| S37=3 | 300bps |
|--------------+---------------------------------------------|
| S37=4 | Reserved |
|--------------+---------------------------------------------|
| S37=5 | 1200bps |
|--------------+---------------------------------------------|
| S37=6 | 2400bps |
|--------------+---------------------------------------------|
| S37=7 | 4800bps |
|--------------+---------------------------------------------|
| S37=8 | 7200bps |
|--------------+---------------------------------------------|
| S37=9 | 9600bps |
|--------------+---------------------------------------------|
| S37=10 | 12.0Kbps |
|--------------+---------------------------------------------|
| S37=11 | 14.4Kbps |
|--------------+---------------------------------------------|
| S37=12 | 16.8Kbps |
|--------------+---------------------------------------------|
| S37=13 | 19.2Kbps |
|--------------+---------------------------------------------|
| S37=14 | 21.6Kbps |
|--------------+---------------------------------------------|
| S37=15 | 24.0Kbps |
|--------------+---------------------------------------------|
| S37=16 | 26.4Kbps |
|--------------+---------------------------------------------|
| S37=17 | 28.8Kbps |
|--------------+---------------------------------------------|
| S37=18 | 31.2Kbps |
|--------------+---------------------------------------------|
| S37=19 | 33.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V32bis, V.22bis AUTO RATE |
|------------------------------------------------------------|
| Type: | Register |
|----------------+-------------------------------------------|
| Format | AT [cmds] S42=n [cmds] |
|----------------+-------------------------------------------|
| Range: | 0-1 |
|----------------+-------------------------------------------|
| Unit: | Decimal |
|----------------+-------------------------------------------|
| Description: | Enables V.32bis and V.22bis auto rate |
|------------------------------------------------------------|
| Note: S42=0 disables V.32bis and V.22bis auto rate. |
| For testing purposes only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V32bis STARTUP MODE |
|------------------------------------------------------------|
| Type: | Register |
|------------------+-----------------------------------------|
| Format | AT [cmds] S43=n [cmds] |
|------------------+-----------------------------------------|
| Range: | 0-1 |
|------------------+-----------------------------------------|
| Unit: | Decimal |
|------------------+-----------------------------------------|
| Description: | Enables V.32bis start-up auto mode |
| | operation |
|------------------------------------------------------------|
| Note: S43=0 disables V.32bis start-up auto mode. For |
| testing purposes only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FEATURE NEGOTIATION |
|------------------------------------------------------------|
| Type: | Register |
|------------------------------------------------------------|
| Format: | AT [cmds] S48=n [cmds] |
|------------------------------------------------------------|
| Range: | 7, 128 |
|------------------------------------------------------------|
| Description: | Selects active error correction and |
| | compression protocols. See S36, error |
| | correction negotiation table |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S89=n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0, 5-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects; S89=0 will disable. |
+------------------------------------------------------------+