MEDIAFORTE PRODUCTS PTE., LTD. COMMLINK 28.8 INTERAL MODEM Card Type Modem/Fax card Chip Set Unidentified I/O Options Line out (RJ-11), line in (RJ-11) Maximum Modem Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V34 Fax Modulation Protocol ITU-T V.17, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I & II Data Bus 16-bit ISA [Image] CONNECTIONS Function Label Function Label Line out CN1 Line in CN2 SUPPORTED COMMAND SET Basic AT Commands AT, ‘+++’, A/ A, C, E, H, L, M, O, P, Q, S, T, V, X, Y, Z &C, &F, &G &Q, &U &W, &Y, &Z Extended AT Commands \A, \B, \G, \L, \N %C, %L, %Q S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S30, S32, S33, S38, S91 Voice Commands #CID, #MDL?, #MFR?, #REV?, #CLS, #SPK, #TL, #VBQ?, #VBT, #VCI?, #VRA, #VRX, #VSK, #VSS #VTD, #VTS, #VTX 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 N1 Auto-mode detection enabled COMMUNICATION PROTOCOLS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the communication protocol for data calls Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. Command Protocol B0 ITU-T V.22 at 1200bps B1 Bell 212A at 1200bps B2 ITU-T V.23 at 1200bps CONFIGURATION PROFILES Type: Immediate Format: AT [cmds] &V [cmds] Description: Displays active and stored configuration profiles Command Function &V0 Display active profile &V1 Display stored profiles &V2 Display stored telephone numbers DATA SET READY (DSR) Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Selects DSR options Command Function &S0 DSR forced high &S1 DSR on in on-line mode, off in command mode DATA TERMINAL READY (DTR) Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Selects modem response to DTR Command Function &D0 DTR is ignored (assumed on) &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 &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 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 Quite 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^ 1300Hz calling tone enabled D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] Wn [cmds] Description: Enables selection of additional result codes when S95=0; otherwise, S95 takes precedence. Command Function W0 Report DTE speed W1 Report result code W2 Report DCE speed 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 XON/XOFF and RTS/CTS 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) &P1 33/67ms at 10pps (Europe) REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports product code I1 Reports hardware variation code I2 Reports internal code I3 Reports software revision number I4 Reports product feature TEST MODES Type: Immediate Format: AT [cmds] &Tn Description: Selects test options Command Function &T0 End current test &T1 Begin local analog loopback test TRELLIS CODING Type: Configuration Format: AT [cmds] &Un [cmds] Description: Enables/disables trellis coding Command Function &U0 Trellis coding enabled &U1 Trellis coding disabled Extended AT Command Set AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD Type: Configuration Format: AT [cmds] %En [cmds] Description: Controls auto-retrain mode and fallback/fall-forward Command Function %E0 Auto-retrain disabled %E1 Auto-retrain enabled %E2 Auto-fallback/fall-forward enabled %E3 Fast hang-up BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Description: Configures action of break signal Command Break from DTE Break from Break from remote during NORMAL or modem during modem during MNP mode DIRECT mode NORMAL mode \K0 Online command Send break to Buffers cleared, mode enabled, remote modem, break sent to DTE send no break to online command remote modem mode enabled \K1 Break sent to Send break to Buffers cleared, remote modem and remote modem, break sent to DTE buffered cleared online command mode enabled \K2 Online command Send break to Break sent mode enabled, remote modem immediately to DTE send no break to remote modem \K3 Send break to Send break to Break sent remote modem remote modem, immediately to DTE immediately online command mode enabled \K4 Online command Send break to Break sent with mode enabled, remote modem received data to send no break to the DTE remote modem \K5 Send break with Send break to Break sent with transmitted data remote modem received data to the DTE 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 6 Remote modem failed to respond to 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 20 Long space disconnect time limit reached 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 Speed of last connection S37=3 Connect at 300bps S37=4 Connect at 1200bps S37=6 Connect at 2400bps S37=7 Connect at 4800bps S37=8 Connect at 7200bps S37=9 Connect at 9600bps S37=10 Connect at 12.0Kbps S37=11 Connect at 14.4Kbps S37=12 Connect at 28.8Kbps V.34 DATA RATE Type: Register Format AT [cmds] S34=n [cmds] Range 0-11 Description: Sets the maximum bit rate for V.34. Default is S34=11 (28.8Kbps) V.34 SYMBOL RATE Type: Register Format AT [cmds] S35=n [cmds] Range 0-5 Description: Sets the minimum baud rate for V.34. Default is S35=0 (2400bps) AT Voice Command Set RECORDING GAIN Type: Immediate Format: AT [cmds] #RG=hhhh [cmds] Default: 7FFF Range: 0000 - 7FFF Unit: Unidentified (hexadecimal) Description: Sets the voice recording gain level SILENCE DETECTION Type: Configuration Format: AT [cmds] #VSD=n [cmds] Description: Enables/disables voice receive mode silence detection. Note: Function not supported by modem VOICE DEVICE Type: Configuration Format: AT [cmds] #VLS=n [cmds] Description: Selects the I/O device for the DSP chip. Note: This modem may not support all options listed below. The #VLS? Command will display the available options. Command Function #VLS=0 Telephone line and handset used for voice I/O. #VLS=1 Telephone handset used for voice I/O. #VLS=2 Internal speaker only used for voice I/O. #VLS=3 External microphone only used for voice I/O. #VLS=4 Telephone line and handset used for voice I/O; internal speaker enabled. #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: 2400 baud (rate = n * 2400) Description: Sets the speed of the local serial port when in voice mode. VOICE RING DETECT TIME Type: Configuration Format: AT [cmds] #VRN=n [cmds] Default: Unidentified Range: 0-255 Unit: 10ms Description: Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang. VOICE SAMPLE QUALITY Type: Configuration Format: AT [cmds] #VBS=n [cmds] Description: Selects the number of bits per sample that the modem records. Note: Modem only supports 4 bits per sample in ADPCM encoding. VOICE SAMPLING RATE Type: Configuration Format: AT [cmds] #VSR=n [cmds] Description: Sets the sampling rate used when recording voice signals. Note: Modem only supports a sampling rate to 8000Hz VOICE SILENCE DETECTION TIME Type: Configuration Format: AT [cmds] #VSP=n [cmds] Default: 55 Range: 0 - 255 Unit: .1 second Description: Sets the minimum amount of silence that the modem will detect.