RACAL-DATACOM RMD 3222 Card Type Modem (synchronous/asynchronous) Chipset Unidentified Maximum Data Rate 14.4Kbps Data Modulation Bell 103A, 208, 212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.33 Error Correction/Compression MNP5, V.42, V.42bis Data Bus Serial [Image] CONNECTIONS Function Label Function Label PREVIOUS button BT1 Leased telephone line out CN2 1 button BT2 Switched telephone line CN3 out 2 button BT3 AC power in CN4 3 button BT4 Diagnostic connector CN5 NEXT button BT5 Serial port CN6 ENTER button BT6 LCD display LCD Telephone line in CN1 MISCELLANEOUS TECHNICAL NOTES There are several jumpers on this board. Their exact locations and functions are unidentified. SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, B, E, H, L, M, N, O, P, T, V, X, Y, Z &C, &D, &F, &G, &K, &M, &Q, &S, &T, &W, &Y, &Z Extended AT Commands \T, \V, \X S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26 V.25bis Commands CIC, CRN, CRS, DIC, PRN Note: See MHI help file for complete information. UNIDENTIFIED COMMANDS Command Default Proprietary AT Command Set BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Description: Configures the modem's reaction to receiving a break signal. Command Function \K0 Modem ignores received break signal. \K1 Buffers are cleared, break is transmitted immediately. \K2 Buffers are not cleared, break is transmitted immediately. \K3 Buffers are not cleared, break is transmitted in sequence with data. CARRIAGE RETURN DELAY Type: Configuration Format: AT [cmds] \Fn [cmds] Description: Selects whether the modem will insert a delay the length of five characters after sending any character that would cause a printer or teletype's carriage to return. Command Function \F0 Carriage return delay enabled. \F1 Carriage return delay disabled. CONNECT MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Description: Controls the type of connection the modem will make. Command Function \N0 Normal mode enabled. \N1 Reliable mode enabled. \N2 Normal mode enabled. \N3 Auto-reliable mode enabled. CTS AND RTS SIGNALS Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Controls the behaviour of the CTS and RTS signals. Command Function &R0 CTS follows RTS. &R1 CTS follows DTR. &R2 CTS normal. DIAL Type: Immediate Format: AT [cmds] D<#>;[cmds] Description: Dials the telephone number indicated according to any modifiers included in the string. Command Function DLn If connection is not successful, modem will dial the number stored in memory location n. DP Pulse dialing enabled. DR Answer mode enabled; originate mode disabled following handshake initiation. This must be the last modifier except for a semicolon. DS=n Dial stored telephone number n. DT Tone dialing enabled. 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. DISPLAY CONFIGURATION Type: Immediate Format: AT [cmds] &Vn [cmds] Description: Displays the indicated part of the modem's configuration. Command Function &V0 Displays the command settings, stored profiles, and stored telephone numbers 0 through 5. &V1 Displays all stored telephone numbers. DISPLAY CONFIGURATION - MNP Type: Immediate Format: AT [cmds] \S [cmds] Description: Displays the settings of the modem's MNP-related commands. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested about the modem. Command Function I0 Displays product identification code. I1 Displays ROM checksum. I2 Tests and displays ROM checksum result. I3 Displays firmware revision. ERROR CORRECTION TYPE Type: Configuration Format: AT [cmds] \Pn [cmds] Description: Selects which types of error correction the modem will attempt to use. Command Function \P0 Modem will use V.42 error correction only. \P1 Modem will use MNP error correction only. \P2 Modem will use V.42 or MNP error correction. FLOW CONTROL Type: Configuration Format: AT [cmds] \Qm,n [cmds] Description: Selects the type or types of flow control the modem will use. Note: Two types of flow control may be active at any time. There is no difference between the values of m and n. Command Function \Q0 Flow control disabled. \Q1 CTS/RTS flow control enabled. \Q2 DC1/DC2 flow control enabled. \Q3 DC1/DC3 flow control enabled. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] \Bn [cmds] Description: Sets operation of serial port speed. Command Function \B0 Serial port speed follows connect speed. \B1 Serial port speed locked. MNP MODE Type: Configuration Format: AT [cmds] \Cn [cmds] Description: Selects which classes of MNP the modem will attempt to use. Command Function \C1 Modem may use MNP class 1 only. \C2 Modem may use MNP class 2 or 1. \C3 Modem may use MNP class 3 and below. \C4 Modem may use MNP class 4 and below. \C5 Modem may use all MNP classes (5 and below). PROTOCOL/SPEED Type: Configuration Format: AT [cmds] Fn [cmds] Description: Selects the modulation protocol and line speed the modem will attempt to connect with. Command Function F0 Auto-detect fastest common protocol. F1 Attempt to connect with V.21 at 300bps. F2 Attempt to connect with V.22 at 600bps. F3 Attempt to connect with V.23 at 1200/75bps. F4 Attempt to connect with V.22 at 1200bps. F5 Attempt to connect with V.22bis at 2400bps. F6 Attempt to connect with V.32 at 9600bps. F7 Attempt to connect with V.32 at 14.4Kbps. RESULT CODE - DIALING Type: Configuration Format: AT [cmds] \Dn [cmds] Description: Selects whether the modem will display DIALING when it goes off hook to dial a telephone number. Command Function \D0 DIALING result code disabled. \D1 DIALING result code enabled. RESULT CODES Type: Configuration Format: AT [cmds] Qn [cmds] Description: Enables modem to send result codes to the DTE. Command Function Q0 Result codes enabled. Q1 Result codes disabled. Q2 Result codes enabled in originate mode only. V.42bis MODE Type: Configuration Format: AT [cmds] \Mn [cmds] Description: Selects whether the modem will attempt to connect with V.42bis data compression. Command Function \M0 V.42bis data compression enabled. \M1 V.42bis data compression disabled. Proprietary V.25bis Command Set COMMAND SET - AT Type: Immediate Format: RHA Description: Resets the modem to AT command mode. REQUEST LISTED NUMBERS Type: Immediate Format: RLN Description: Requests the modem to return the list of stored numbers.