MULTI-TECH SYSTEMS, INC. MT5600DSVD Card Type Modem Chip Set Unidentified I/O Options 25-pin serial port, power, line in, line out, microphone in, speaker jack Maximum Modem Rate 56Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103/212A ITU-T V.22, V.22bis, V.32ter, V.32bis, V.34, K56flex Fax Modulation Protocol ITU-T V.17, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Unidentified Data Bus External [Image] CONNECTIONS Function Label Function Label Line in (RJ-11) CN1 Microphone in CN5 Line out (RJ-11) CN2 Speaker jack CN6 25-pin serial port CN3 Power switch SW1 Power jack CN4 USER CONFIGURABLE SETTINGS Function Label Position Stereo speaker mode enabled J10 Closed Mono speaker mode enabled J10 Open 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 56 Unidentified On Modem connected in K56flex or V.PCM mode 56 Unidentified Off Modem is not connected in K56flex or V.PCM mode 33 Unidentified On Modem connected in V.34 mode at speeds up to 33.6Kbps 33 Unidentified Off Modem is not connected in V.34 mode at speeds up to 33.6Kbps 14 Unidentified On Modem connected in V.32bis mode at 14.4Kbps 14 Unidentified Off Modem is not connected in V.32bis mode at 14.4Kbps 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 FX Unidentified On Modem is in Fax mode FX Unidentified Off Modem is not in Fax mode SUPPORTED COMMAND SET Basic AT Commands AT, ‘+++’, A/ A, B, E, H, M, O, P, Q, T, V, W, X, Y, Z &C, &F, &G, &T, &W, &Y, &Z Extended AT Commands \A, \B, \J, \K, \N, \V %C, %E, %L, %Q Special Commands -K, #CID S Registers S0, S1, S2, S3, S4, S5, S6 S7, S8, S9, S10, S11, S12, S18, S24, S25, S29, S32, S33, S38 Voice Commands #CLS, #MDL?, #MFR?, #REV? 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 Auto-mode detection disabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake follows interface speed N1 Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake at highest possible speed with fallback to lower speed if necessary 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 CONFIGURATION PROFILES & CALL STATISTICS Type: Immediate Format: AT [cmds] &V [cmds] Description: Displays active and stored configuration profiles & statistics for last connection Command Function &V0 Displays the active configuration, the two stored user profiles, and the first four phone numbers &V1 Displays statistics for last connection 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 Note: The action each variant of &D causes depends on the setting of &Q &Q Setting &D0 &D1 &D2 &D3 &Q0, &Q5, &Q6 Command 0 Command 1 Command 2 Command 4 &Q1, &Q4 Command 3 Command 1 Command 2 Command 2 &Q2, &Q3 Command 2 Command 2 Command 2 Command 2 Command Function Command 0 Modem does not respond to DTR Command 1 Modem goes to command mode after DTR goes is off Command 2 Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. Command 3 Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is not disabled Command 4 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 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 D^ Data calling tone transmission disabled FACTORY DEFAULT PROFILE Type: Configuration Format: AT [cmds] &F [cmds] Description: Sets values in active profile to values found in the default profile Command Function &F0 Load factory configuration 0 &F1 Load factory configuration 1 FLOW CONTROL Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Enables flow control options Command Function &K0 Flow control disabled &K3 RTS/CTS flow control enabled &K4 XON/XOFF flow control enabled &K5 Transparent XON/XOFF flow control enabled &K6 Both RTS/CTS & XON/XOFF flow control enabled PULSE DIALING RATIO Type: Configuration Format: AT [cmds] &Pn [cmds] Description: Selects pulse dial make/break ratio Command Function &P0 39/61ms at 10pps (North America) 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 OEM identifier string in either binary or ASCII format I5 Reports country code I6 Reports data pump model and internal code I7 Reports country 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 TRANSMIT CARRIER Type: Configuration Format: AT [cmds] Cn [cmds] Description: Controls the transmit carrier switching Command Function C1 Transmit carrier enabled Extended AT Commands FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Description: Command nonfunctional; for compatibility purposes only Command Function \G0 Returns OK for backward compatibility PCM CODE SELECTION Type: Configuration Format: AT [cmds] %Un [cmds] Description: Determines the PCM code type for 56K modulation Command Function %U0 m -law encoding enabled (North America & Japan) %U1 A -law encoding enabled (Europe) SPECIAL COMMANDS DISTINCTIVE RING Type: Immediate Format: AT [cmds] -SDR=n [cmds] Description: Selects the distinctive ring settings Command Function -SDR=0 Distinctive ring disabled -SDR=1 Type 1 enabled -SDR=2 Type 2 enabled -SDR=3 Type 1 and 2 enabled -SDR=4 Type 3 enabled -SDR=5 Type 1 and 3 enabled -SDR=6 Type 2 and 3 enabled -SDR=7 Type 1, 2, and 3 enabled MODULATION SELECTION Type: Configuration Format: AT [cmds] +MS=x,y,z,a [cmds] Description: Sets options for active protocol; the transfer rates specified by z and a must be valid for the protocol selected. +MS? queries setting Command Function x=0 V.21 x=1 V.22 x=2 V.22bis x=3 V.23 x=9 V.32 x=10 V.32bis x=11 V.34 x=12 V.90, fallback to K56flex. .V.34 . .V.32bis, etc.. x=13 K56flex, fallback to V.90. .V.34. .V.32bis, etc.. x=64 Bell 103 x=69 Bell 212A VOICE COMMANDS DATA/DSVD MODE Type: Configuration Format: AT [cmds] -SMS=n [cmds] Description: Selects data or DSVD mode Command Function -SMS=0 Data mode -SMS=1 DSVD mode -SMS=3 Automatic mode selection DSVD MODE Type: Configuration Format: AT [cmds] -SSE=n [cmds] Description: Select whether the modem will use DSVD mode. Command Function -SSE=0 DSVD mode disabled. -SSE=1 DSVD mode enabled. VOICE DEVICE Type: Configuration Format: AT [cmds] #VLS=n [cmds] Description: Selects the I/O device for the DSP chip. Command Function #VLS=5 Headset used for voice I/O. #VLS=6 Speakerphone used for voice I/O. VOICE - LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] #BDR=n [cmds] Range: 0-48 Unit: 2400bps Description: Sets the speed of the local serial port when in voice mode. S(STATUS) -REGISTERS CONNECTION FAILURE CODES Type: Register Format AT [cmds] S86? [cmds] Description: Reports codes which correspond to the possible causes of a connection failure Value Meaning 0 Normal hang up 4 Carrier signal lost 5 No error-control detected for remote modem during feature negotiation 9 No common protocol found 12 No failure - remote modem disconnected normally 13 Remote modem failed to respond after 10 re-transmissions same message 14 Violation of negotiated protocol caused failure DCE LINE SPEED Type: Register Format AT [cmds] S37=n [cmds] Description: Sets the maximum allowable data exchange rate attempted during handshake process. For compatibility only, use +MS to set line speed 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 ERROR CORRECTION/COMPRESSION Type: Register Format: AT [cmds] S46=n [cmds] Description: Selects active error correction and compression protocols Command Function S46=136 Error correction only, no compression S46=138 Error correction with V.42bis data compression FEATURE NEGOTIATION Type: Register Format: AT [cmds] S48=n [cmds] Description: Selects active error correction and compression protocols. See S36, error correction negotiation table Command Function S48=0 Detection negotiation disabled S48=7 Detection negotiation enabled S48=128 Fall-back to options set in S36 INACTIVITY TIMER Type: Register Format AT [cmds] S30=n [cmds] Range: 0-255 Unit: 10 ms Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. Note: S30=0 disables the timer and allows indefinite inactivity. 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.