OSITECH COMMUNICATIONS, INC. FIVE OF DIAMONDS Card Type Modem/Fax card Chip Set Unidentified Maximum Modem Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103A/212A ITU-T V34, V.32bis, V.32, V.22bis, V.22, V.23, V.21 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 PCMCIA 54688 SUPPORTED COMMAND SET Basic AT Commands AT, A/ A, B, E, H, M, O, P, Q, T, W, Y, Z &C, &F, &L, &P, &R, &T, &V, &W, &Y, &Z Extended AT Commands \B, \G, \K, \N %C, %L, %Q -K, *H @M, :E, )M S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25, S27, S28, S30, S31, S32, S33, S38, S39, S40, S41, S86, S95 Special Commands +MS 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 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. &Q4 Auto-synchronous mode &Q5 Error correction mode &Q6 Buffered asynchronous mode COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Selects communications mode options. Same as &Q 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 handshaking or 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 NONE Command 1 Command 2 Command 3 &Q1, &Q4 Command 1 Command 1 Command 2 Command 3 &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 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 DR Answer mode enabled; originate mode disabled following handshake initiation. 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& Wait for calling card bong tone detection function enabled. Waits for bong for amount of time specified by the S7 command. D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. D^ 1300Hz calling tone enabled GUARD TONE Type: Configuration Format: AT [cmds] &Gn [cmds] Description: No function. Included for compatibility JACK TYPE Type: Configuration Format: AT [cmds] &Jn [cmds] Description: No function. Included for compatibility 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 Unidirectional XON/XOFF flow control enabled LINE MODULATION Type: Configuration Format: AT [cmds] Fn [cmds] Description: Assures a connection at a specific speed Command Function F0 Auto-detect mode F1 V.21 or Bell 103 F3 V.23 at 1200/75bps F4 V.22 at 1200bps F5 V.22bis at 2400bps F6 V.22bis or V.32 at 4800bps F7 V.32bis or V.32 at 7200bps F8 V.32bis or V.32 at 9600bps F9 V.32bis at 12.0Kbps F10 V.32bis at 14.4Kbps REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports four digit product code I1 Reports ROM checksum I2 Tests and reports ROM checksum I3 Reports firmware manufacturer information I4 Reports product identification I5 Reports country code I6 Reports hardware identification 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; result codes 0 - 4, 8, 22, 40 - 81 enabled. X1 Busy and dial tone detection disabled; result codes 0 - 5, 8 - 81 enabled. X2 Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6, 8 - 81 enabled. X3 Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 - 81 enabled. X4 Busy and dial tone detection enabled; result codes 0 - 81 enabled. 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 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 Auto-retrain enabled; hang-up when EQM reaches hang-up threshold S (status) Registers 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 Attempt to connect at speed of last connection S37=1 Attempt to connect at 300bps S37=2 Attempt to connect at 300bps S37=3 Attempt to connect at 300bps S37=4 Attempt to connect at Reserved S37=5 Attempt to connect at V.22 at 1200bps S37=6 Attempt to connect at V.22bis at 2400bps S37=7 Attempt to connect at V.23 at 75/1200bps S37=8 Attempt to connect at V.32bis/V.32 at 4800bps S37=9 Attempt to connect at V.32bis/V.32 at 9600bps S37=10 Attempt to connect at V.32bis at 12.0Kbps S37=11 Attempt to connect at V.32bis at 14.4Kbps S37=12 Attempt to connect at V.32bis at 7200bps S37=15 Attempt to connect at V.FC at 14.4Kbps S37=16 Attempt to connect at 16.8Kbps S37=17 Attempt to connect at 19.2Kbps S37=18 Attempt to connect at 1600bps S37=19 Attempt to connect at 24.0Kbps S37=20 Attempt to connect at 26.4Kbps S37=21 Attempt to connect at 28.8Kbps ERROR CORRECTION/COMPRESSION Type: Register Format: AT [cmds] S46=n [cmds] Description: Selects active error correction and compression protocols Command Function S46=136 LAP-M only, no compression S46=138 LAP-M with V.42bis data compression ERROR CORRECTION NEGOTIATION Type: Register Format AT [cmds] S36=n [cmds] Description: Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q. Command Function S36=0 Hang up S36=1 Attempt a direct connection S36=2 Reserved S36=3 Attempt a buffered connection S36=4 Attempt a connection at MNP2-4; if that fails, hang up. S36=5 Attempt a connection at MNP2-4; if that fails, attempt a direct connection. S36=6 Reserved S36=7 Attempt a connection at MNP2-4; if that fails, attempt a buffered connection. FEATURE NEGOTIATION OPTIONS Type: Register Format: AT [cmds] S48=n [cmds] Description: Selects active error correction and compression protocols Command Function S48=0 Detection negotiation disabled, XID negotiation disabled S48=7 Detection negotiation and XID negotiation enabled S48=128 Fall-back to options set in S36