MULTI-TECH SYSTEMS, INC. ======================== MT5634ZPW, MT3356ZPW, MT3334ZPW Card Type Modem Chip Set Unidentified I/O Options Line in, line out, microphone in, speaker out Maximum Modem Rate 56Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103/212A Protocol ITU-T V.22, V.22bis, V.32ter, V.32bis, V.34, 56Kflex Fax Modulation ITU-T V.17, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression Fax Class Class I Data Bus 16-bit ISA +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Line out (RJ-11) | CN1 | Speaker out | CN3 | |---------------------------+---------+---------------+------| | Line in (RJ-11) | CN2 | Microphone in | CN4 | +------------------------------------------------------------+ +---------------------------------------------------------+ | SUPPORTED COMMAND SET | |---------------------------------------------------------| | Basic AT Commands | |---------------------------------------------------------| | AT, '+++', A/ | |---------------------------------------------------------| | A, C, E, F, H, M, Q, V | |---------------------------------------------------------| | &C, &F, &G, &V, &Z | |---------------------------------------------------------| | Extended AT Commands | |---------------------------------------------------------| | \V | |---------------------------------------------------------| | Special Commands | |---------------------------------------------------------| | -C | |---------------------------------------------------------| | S Registers | |---------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S10, S30 | |---------------------------------------------------------| | | |---------------------------------------------------------| | Note: See MHI Help File for full command documentation. | +---------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | i 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUXILLARY RELAY CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &J [cmds] | |--------------+---------------------------------------------| | Description: | Controls auxiliary relay | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &J0 | Auxiliary relay remains open | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATION PROTOCOLS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Bn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the communication protocol for data | | | calls | |--------------+---------------------------------------------| | Command | Protocol | |--------------+---------------------------------------------| | B0 | Modem will use ITU-T V.22 at 1200bps. | |--------------+---------------------------------------------| | B1 | Modem will use Bell 212A at 1200bps. | |--------------+---------------------------------------------| | B2 | ITU-T V.23 reverse channel disabled | |--------------+---------------------------------------------| | B3 | ITU-T V.23 reverse channel disabled | |--------------+---------------------------------------------| | B15 | Modem will use ITU-T V.21 at 300bps. | |--------------+---------------------------------------------| | B16 | Modem will use Bell 103J at 300bps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | |--------------+---------------------------------------------| | i &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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | i &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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | DSn | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Enables flow control options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Flow control disabled | |--------------+---------------------------------------------| | i &K3 | RTS to CTS flow control enabled | |--------------+---------------------------------------------| | &K4 | XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | LONG SPACE DISCONNECT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Yn [cmds] | |--------------+---------------------------------------------| | Description: | Commands the modem to disconnect after a | | | 1.6 second break is detected | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | Y0 | Long space disconnect function disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-LINE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] On | |--------------+---------------------------------------------| | Description: | Instructs the modem to return to on-line | | | state. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | O0 | Return to on-line state. | |--------------+---------------------------------------------| | O1 | Return to on-line state and initiate | | | retrain sequence. | |--------------+---------------------------------------------| | O3 | Return to on-line state and initiate | | | renegotiation sequence. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | I9 | Reports country code | |--------------+---------------------------------------------| | I11 | Reports diagnostic information for the last | | | modem connection | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | |--------------+---------------------------------------------| | i X4 | Busy and dial tone detection disabled; | | | extended result codes enabled. | |--------------+---------------------------------------------| | X5 | Busy and dial tone detection disabled; | | | extended result codes enabled. | |--------------+---------------------------------------------| | X6 | Busy and dial tone detection disabled; | | | extended result codes enabled. | |--------------+---------------------------------------------| | X7 | Busy and dial tone detection disabled; | | | basic result codes enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SOFT RESET | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Zn [cmds] | |--------------+---------------------------------------------| | Description: | Restores modem profiles previously saved in | | | non-volatile RAM using the &W command. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | Z0 | Restore modem to profile saved by last &W | | | command | |--------------+---------------------------------------------| | Z1 | Restore modem to profile saved by last &W | | | command | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER VOLUME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Ln [cmds] | |--------------+---------------------------------------------| | Description: | Controls speaker volume | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | L0 | Low volume setting | |--------------+---------------------------------------------| | L1 | Low volume setting | |--------------+---------------------------------------------| | i L2 | Medium volume setting | |--------------+---------------------------------------------| | L3 | Highest volume setting | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 - AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain function if poor line | | | quality is detected | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &B1 | Auto-retrain enabled if line quality is | | | poor | +------------------------------------------------------------+ Extended AT Commands +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |--------------+---------------------------------------------| | Description: | Configures action of break signal | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \K5 | Sends break received from DTE to the remote | | | modem | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Cn [cmds] | |--------------+---------------------------------------------| | Description: | Selects data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression disabled | |--------------+---------------------------------------------| | %C1 | V.42bis/MNP5 enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | MNP reliable mode enabled | |--------------+---------------------------------------------| | i \N3 | V.42/MNP auto-reliable mode enabled | |--------------+---------------------------------------------| | \N4 | V.42 reliable mode enabled | |--------------+---------------------------------------------| | \N5 | V.42/MNP auto-reliable mode enabled | |--------------+---------------------------------------------| | \N7 | V.42/MNP auto-reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY BLACKLIST NUMBERS | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %B [cmds] | |--------------+---------------------------------------------| | Description: | Displays the list of all the numbers on the | | | blacklist. Returns ERROR if blacklisting is | | | disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Description: | Command nonfunctional; for compatibility | | | purposes only | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \G0 | Returns OK for backward compatibility | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Qn [cmds] | |--------------+---------------------------------------------| | Description: | Sets type of flow control used by modem | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \Q0 | Flow control disabled | |--------------+---------------------------------------------| | \Q1 | Bi-directional XON/XOFF flow control | | | enabled | |--------------+---------------------------------------------| | i \Q3 | Bi-directional RTS/CTS flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Description: | Disables the inactivity timer | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \T0 | Inactivity timer disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCK SERIAL PORT | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Jn [cmds] | |--------------+---------------------------------------------| | Description: | Sets operation of serial port speed | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \J0 | Serial speed locked | +------------------------------------------------------------+ +------------------------------------------------------------+ | XON/XOFF PASS-THROUGH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Xn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether XON/XOFF signals are sent | | | to remote modem | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \X0 | XON/XOFF signals trapped by local modem | +------------------------------------------------------------+ Special Commands +------------------------------------------------------------+ | ASYNCHRONOUS WORD LENGTH | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] +ES=n [cmds] | |--------------+---------------------------------------------| | Description: | Allows an H.324 video application direct | | | access to the synchronous data channel. | | | +ES=? Shows allowable value (6) +ES? | | | Queries setting | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | +ES=6 | Allows an H.324 video application direct | | | access to the synchronous data channel | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER CODEC LOOPBACK | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &&S [cmds] | |--------------+---------------------------------------------| | Description: | Provides a loopback from the microphone to | | | the speaker. | |--------------+---------------------------------------------| | Note: | For testing and debugginh purposes only | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST DSP56K CODE VERSION & CHECKSUM - EXTERNAL RAM | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %T125 | |--------------+---------------------------------------------| | Description: | Tests DSP56K code version & checksum | | | running in external RAM. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST DSP56K CODE VERSION & CHECKSUM - INTERNAL ROM | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %T124 | |--------------+---------------------------------------------| | Description: | Tests DSP56K code version & checksum | | | running in internal ROM. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST EXTERNAL RAM | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %T94 | |--------------+---------------------------------------------| | Description: | Tests external RAM. Returns PASS or FAIL | +------------------------------------------------------------+ S(STATUS) -REGISTERS +------------------------------------------------------------+ | 56K DCE LINE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S38=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum allowable 56K downstream | | | rate attempted during handshake process. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S38=0 | 56K disabled | |--------------+---------------------------------------------| | S38=1 | 56K automatic speed select | |--------------+---------------------------------------------| | S38=2 | 32.0Kbps | |--------------+---------------------------------------------| | S38=3 | 34.0Kbps | |--------------+---------------------------------------------| | S38=4 | 36.0Kbps | |--------------+---------------------------------------------| | S38=5 | 38.0Kbps | |--------------+---------------------------------------------| | S38=6 | 40.0Kbps | |--------------+---------------------------------------------| | S38=7 | 42.0Kbps | |--------------+---------------------------------------------| | S38=8 | 44.0Kbps | |--------------+---------------------------------------------| | S38=9 | 46.0Kbps | |--------------+---------------------------------------------| | S38=10 | 48.0Kbps | |--------------+---------------------------------------------| | S38=11 | 50.0Kbps | |--------------+---------------------------------------------| | S38=12 | 52.0Kbps | |--------------+---------------------------------------------| | S38=13 | 54.0Kbps | |--------------+---------------------------------------------| | S38=14 | 56.0Kbps | +------------------------------------------------------------+ +------------------------------------------------------------+ | 56K DIGITAL LOSS | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S108=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the 56Kbps digital loss if using | | | the modem thru a PBX line | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S108=0 | -0dB digital loss; robbed bit signaling | | | disabled | |---------------+--------------------------------------------| | S108=1 | -3dB PBX digital loss | |---------------+--------------------------------------------| | S108=2 | -2dB digital loss | |---------------+--------------------------------------------| | S108=3 | -3dB digital loss | |---------------+--------------------------------------------| | i S108=6 | -6dB digital loss | |---------------+--------------------------------------------| | S108=7 | -0dB digital loss; robbed bit signaling | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIALING DELAY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S6=n [cmds] | |--------------+---------------------------------------------| | Range: | 2-65 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Duration of delay after modem goes off-hook | | | and before dialing | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects; S89=0 will disable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | NO CARRIER TIME-OUT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S7=n [cmds] | |--------------+---------------------------------------------| | Range: | 1-255 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Maximum wait time the modem uses after | | | dialing to detect a carrier signal from the | | | remote modem for both originating and | | | answering calls. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PAUSE DURATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S8=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-65 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Duration of pause per comma (,) command | | | used in a command or dial string | +------------------------------------------------------------+ +------------------------------------------------------------+ | TONE PULSE DURATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S11=n [cmds] | |--------------+---------------------------------------------| | Range: | 50-150 | |--------------+---------------------------------------------| | Unit: | 1 ms | |--------------+---------------------------------------------| | Description: | DTMF tone pulse duration and time between | | | tone pulses for tone dialing operations. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | +------------------------------------------------------------+