MAXTECH CORPORATION PCM 336C Card Type Modem/Fax card Chip Set Unidentified Maximum Modem Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103/212A ITU-T V.22bis, V.22, V.23, V.32, V.32bis, V.34, V34+, V.21 Fax Modulation Protocol ITU-T V.27ter, V.29 Error Correction/Compression MNP5, V.42bis, V.42 Fax Class Class I Data Bus PCMCIA 54707 SUPPORTED COMMAND SET Basic AT Commands AT, +++, A/ A, E, H, M, O, P, Q, T, V, X, Y, Z &C, &F, &G, &W, &Y, &Z Extended AT Commands \A, \B, \C, \G, \J, \K, \O, \U, \X, \Y, \Z %A "H -J Special Commands +MS S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25 S27, S30, S31, S33, S37 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 AUXILIARY RELAY Type: Configuration Format: AT [cmds] &Jn [cmds] Description: Controls auxiliary relay operations Command Function &J0 Auxiliary relay disabled &J1 Auxiliary relay enabled when modem is off hook COMMUNICATION PROTOCOLS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the communication protocol for data calls Command Protocol B0 CCITT mode B1 Bell mode B2 ITU-T V.23 originate mode; 1200bps receive, 75bps transmit B3 ITU-T V.23 originate mode; 75bps receive, 1200bps transmit 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. CONFIGURATION PROFILES Type: Immediate Format: AT [cmds] &V [cmds] Description: Displays active and stored configuration profiles Command Function &V0 Displays active and stored profile 0 &V1 Displays active and stored profile 1 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 Command Function &D0 DTR override &D1 DTR toggle causes online command mode &D2 Normal DTR operations &D3 Resets on receipt of DTR 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 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; 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 Command Function W0 Modem reports DTE response codes W1 Modem reports DTE response codes W2 Modem reports DCE response codes W3 Modem reports DTE speed, modulation mode, error control, data compression, and DCE speed W4 Modem reports DTE protocol, data compression, and DTE 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 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 four digit product code I1 Reports ROM checksum I2 Reports internal memory test I3 Reports device ID I4 Reports internal ID I5 Reports modem chip hardware configuration I6 Reports country code I7 Reports board manufacturer firmware version I8 Reports modem firmware version I10 Reports modem board configuration 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 TEST MODES Type: Immediate Format: AT [cmds] &Tn Description: Selects test options Command Function &T0 End current test &T1 Begin local analog loopback test &T4 Grant remote digital loopback request &T5 Deny remote digital loopback request &T6 Request remote digital loopback &T7 Request remote digital loopback and self-test &T8 Begin local analog loopback and self-test TRELLIS CODING Type: Configuration Format: AT [cmds] &Un [cmds] Description: Enables/disables trellis coding Command Function &U0 V.32 trellis coding enabled &U1 V.32 trellis coding disabled EXTENDED AT COMMAND SET AUTO-FALLBACK/FALL-FORWARD Type: Configuration Format: AT [cmds] %Gn [cmds] Description: Selects auto-fallback/fall-forward Command Function %G0 Auto-fallback/fall-forward enabled %G1 Auto-fallback/fall-forward disabled AUTO-RETRAIN 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 CALLING TONE Type: Configuration Format: AT [cmds] -Cn [cmds] Description: Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating Command Function -C0 Calling tone disabled -C1 1300hz calling tone enabled -C2 V.8 and 1300hz calling tone enabled COMPRESSION Type: Configuration Format: AT [cmds] %Cn [cmds] Description: Selects data compression Command Function %C0 Data compression disabled %C1 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 Normal mode enabled \N2 Reliable mode enabled \N3 Auto-reliable mode enabled \N4 V.42 reliable mode enabled 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 \Q2 CTS flow control by DCE enabled \Q3 Bi-directional RTS/CTS flow control enabled INACTIVITY TIMER Type: Configuration Format: AT [cmds] \Tn [cmds] Range: 0-90 Unit: 1 second Description: Sets the length of time that the modem does not receive information before it disconnects. V.42bis - MAXIMUM STRING LENGTH Type: Immediate Format: AT [cmds] "On [cmds] Range: 6-250 Unit: Characters Description: Selects string size for V.42bis compression