GLOBAL VILLAGE COMMUNICATIONS TELEPORT 33.6 INTERNET Card Type Modem (synchronous/asynchronous) Chipset Unidentified Maximum Data Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell K56+ Fax Modulation ITU-T V.17, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I Data Bus Serial [Image] CONNECTIONS Function Label Function Label Telephone line out CN1 DC power in CN4 Telephone line in CN2 Power switch SW1 Macintosh RS-422 serial CN3 port DIAGNOSTIC LED(S) LED Color Status Condition LED1 Unidentified On Modem is transmitting or receiving data LED1 Unidentified Off Modem is not transmitting or receiving data LED2 Unidentified On Power is on LED2 Unidentified Off Power is off LED3 Unidentified On Modem is connected LED3 Unidentified Off Modem is not connected SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, C, D, E, H, L, M, N, Q, V, W, X, Y, Z &C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &Y, &Z Extended AT Commands \A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X %A, %C, %E, %G Special AT Commands -C, "H, -J, -K, "N, "O S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26 S27, S30, S95, S108 Note: See MHI help file for complete information. Proprietary AT Command Set AUTOSYNC HDLC ADDRESS Type: Register Format: AT [cmds] S20=n [cmds] Default: 0 Range: 0-255 Unit: Unidentified Description: Sets the HDLC address and bisync character. AUTOSYNC OPTIONS Type: Register Format AT [cmds] S19=n [cmds] Default: 26 Range: 0 - 30 Description: Controls autosync protocol, HDLC address detection, bit coding, and HDLC idle. Bit Value Function 0 0 Not used 1 0 Binary synchronous protocol used. 1 HDLC protocol used. 2 0 HDLC address detect disabled. 1 HDLC address detect enabled. 3 0 NRZI bit coding used. 1 NRZ bit coding used. 4 0 HDLC idle sends MARK. 1 HDLC idle sends FLAG or SYNC. DISPLAY FIRMWARE REVISION Type: Immediate Format: AT [cmds] -V [cmds] Description: Displays the version of the firmware currently installed. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested about the modem. Command Function I0 Displays and information. I1 Displays ROM checksum. I2 Tests and reports ROM checksum. I3 Displays product identification code and version. I4 Displays modem capabilities. ESCAPE SEQUENCE TYPE Type: Configuration Format: AT [cmds] %On [cmds] Description: Selects which type of escape sequences may be used. Command Function %O0 Escape sequences disabled. %O1 TIES (+++AT [cmds]) escape sequence enabled. %O2 AT escape sequence enabled. %O3 AT and TIES escape sequences enabled. ESCAPE SEQUENCE WAIT DELAY Type: Register Format: AT [cmds] S32=n [cmds] Default: 2 Range: Unidentified Unit: Unidentified Description: Sets the amount of time that the modem will wait between receiving the +++AT marking the beginning of an escape sequence and the ending it. 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 Set speed to 300bps. S37=5 Set speed to 1200bps. S37=6 Set speed to 2400bps. S37=7 Set speed to 4800bps. S37=8 Set speed to 7200bps. S37=9 Set speed to 9600bps. S37=10 Set speed to 12Kbps. LINE SPEED (CON’T) Command Function S37=11 Set speed to 14.4Kbps. S37=12 Set speed to 16.8Kbps. S37=13 Set speed to 19.2Kbps. LOCAL SERIAL PORT SPEED Type: Register Format: AT [cmds] S112=n [cmds] Description: Sets the speed of the local serial port. Command Function S112=0 Use speed of last command. S112=2 Set speed to 300bps. S112=3 Set speed to 1200bps. S112=4 Set speed to 2400bps. S112=5 Set speed to 4800bps. S112=6 Set speed to 7200bps. S112=7 Set speed to 9600bps. S112=8 Set speed to 12Kbps. S112=9 Set speed to 14.4Kbps. S112=10 Set speed to 16.8Kbps. S112=11 Set speed to 19.2Kbps. S112=12 Set speed to 38.4Kbps. S112=13 Set speed to 57.6Kbps. S112=14 Set speed to 600bps. ON-LINE Type: Immediate Format: AT [cmds] On Description: Instructs the modem to return to on-line state. Command Function O0 Return to on-line state. O1 Return to on-line state and initiate retrain sequence. O3 Return to on-line state and initiate rate negotiation sequence. PROTOCOL/SPEED Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the communication protocol the modem will use. Command Protocol B0 Modem will use ITU-T V.22 at 1200bps and V.21 at 300bps. B1 Modem will use Bell 212A at 1200bps and 103A at 300bps. B2 Modem will use ITU-T V.23 at 1200/75bps. B3 Modem will use ITU-T V.23 at 75/1200bps. B15 Modem will use ITU-T V.21 at 300bps. B16 Modem will use 103A at 300bps. B30 Modem will use ITU-T V.22bis at 2400bps. B41 Modem will use ITU-T V.32 at 4800bps. B52 Modem will use ITU-T V.32bis at 7200bps. B60 Modem will use ITU-T V.32 at 9600bps. B70 Modem will use ITU-T V.32bis at 12Kbps. B75 Modem will use ITU-T V.32bis at 14.4Kbps. TRELLIS CODING Type: Configuration Format: AT [cmds] &Un [cmds] Description: Selects whether the modem will use trellis coding. Command Function &U0 Trellis coding enabled. &U1 Trellis coding disabled. V.32/V.32bis/V.32terbo OPTIONS Type: Register Format AT [cmds] S110=n [cmds] Description: Selects options for V.32, V.32bis, and V.32terbo protocols. Command Function S110=0 V.32 enabled. S110=1 V.32 and V.32bis enabled. S110=2 V.32 and V.32bis enabled with rate re-negotiation. S110=3 V.32, V.32bis, and V.32terbo enabled. S110=4 V.32, V.32bis, and V.32terbo enabled with rate re-negotiation. V.32 - AUTO-RETRAIN Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Controls auto-retrain function if poor line quality is detected. Command Function &B0 Auto-retrain disabled, modem hangs up. &B1 Auto-retrain enabled, modem hangs up if retrain fails. &B2 Auto-retrain disabled, modem does not hang up. V.32terbo - CARRIER SPEED OPTIONS Type: Register Format AT [cmds] S109=n [cmds] Default: 62 Range: 0 - 255 Description: Designates the carrier speeds available for V.32terbo during handshake, retrain, and speed re-negotiations. Bit Value Function 0 0 Not used. 1 0 4800bps carrier disabled. 1 4800bps carrier enabled. 2 0 7200bps carrier disabled. 1 7200bps carrier enabled. 3 0 9600bps carrier disabled. 1 9600bps carrier enabled. 4 0 12Kbps carrier disabled. 1 12Kbps carrier enabled. 5 0 14.4Kbps carrier disabled. 1 14.4Kbps carrier enabled. 6 0 16.8Kbps carrier disabled. 1 16.8Kbps carrier enabled. 7 0 19.2Kbps carrier disabled. 1 19.2Kbps carrier enabled.