VEN-TEL, INC. EC2400-33 Card Type Modem (synchronous/asynchronous) Chipset Unidentified Maximum Data Rate 2400bps Data Bus Serial Data Modulation Bell 103A/212A ITU-T V.22, V.22bis Error Correction/Compression MNP5, X.PC [Image] CONNECTIONS Function Label Function Label Line out CN1 RS-232/422 CN4 Line in CN2 Power switch SW1 DC power CN3 Front panel switch SW4 Note: When pressed once, the front panel switch is a hook control. When pressed twice, the modem auto-dials the stored number. USER CONFIGURABLE SETTINGS Setting Label Position DTR normal SW2/1 Off DTR forced high SW2/1 On Modem displays verbose result codes SW2/2 Off Modem displays numeric result codes SW2/2 On Result codes enabled SW2/3 On Result codes disabled SW2/3 Off Command echo enabled SW2/4 Off Command echo disabled SW2/4 On Auto-answer enabled SW2/5 Off Auto-answer disabled SW2/5 On CD normal (terminal dialer disabled) SW2/6 Off CD forced high (terminal dialer SW2/6 On disabled) CTS, DSR, and CD low when idle, high SW2/6 Off when connected (terminal dialer enabled) CTS, DSR, and CD normal (terminal dialer SW2/6 On enabled) USER CONFIGURABLE SETTINGS (CON’T) Setting Label Position Speaker enabled SW2/7 On Speaker disabled SW2/7 Off Command sets enabled SW2/8 On Command sets disabled SW2/8 Off Switch configuration used SW2/9 Off NVRAM configuration used SW2/9 On AT command set enabled SW2/10 Off Ven-Tel command set enabled SW2/10 On Factory configured - do not alter SW3/1 Unidentified Factory configured - do not alter SW3/2 Unidentified Factory configured - do not alter SW3/3 Unidentified Factory configured - do not alter SW3/4 Unidentified Factory configured - do not alter SW3/5 Unidentified DIAGNOSTIC LED(S) LED Color Status Condition HS Green On Modem is operating at 2400bps HS Red On Modem is operating at 1200bps HS N/A Off Modem is operating at 300bps AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing CD Red On Carrier signal detected CD Red Off Carrier signal not detected OH Red On Modem is off-hook OH Red Off Modem is on-hook RD Red On Modem is receiving data RD Red Off Modem is not receiving data SD Red On Modem is transmitting data SD Red Off Modem is not transmitting data TR Red On DTR signal is high TR Red Off DTR signal is low MR/EC Green On Modem is connected in error-correcting mode MR/EC Red On Power is on MR/EC Red Blinking Modem is in test mode MR/EC Red Off Power is off SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, B, E, F, H, I, M, P, Q, R, T, V, X, Y, Z &C, &D, &F, &G, &L, &M, &P, &R, &T, &W, &X, &Z Extended AT Commands \C, \G, \J, \O, \Q, \T, \V, \X, \Y, \Z %A, %C S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S21, S22, S23, S25, S26, S27 Note: See MHI documentation for complete information. Proprietary AT Command Set BIT-MAPPED REGISTER S13 Format: AT [cmds] S13=n [cmds] Default: Unidentified Range: 0 - 255 Description: Controls extended result codes and data format. Note: This register is only used when in switch configuration mode. Bit Value Function 0 N/A Not used. 1 0 Extended result codes disabled. 1 Extended result codes enabled. 2 0 Parity disabled. 1 Parity enabled. 3 0 Odd parity enabled. 1 Even parity enabled. 4 0 Data word is 7 bits. 1 Data word is 8 bits. 5 N/A Not used. 6 N/A Not used. 7 0 SPACE parity enabled. 1 MARK parity enabled. BIT-MAPPED REGISTER S14 Format: AT [cmds] S14=n [cmds] Default: Unidentified Range: 0-255 Unit: Bit-mapped Description: Controls auto-answer, echo, result codes and display, dial mode, and answer/originate mode. Bit Value Function 0 0 Auto-answer disabled at power-up (switch configuration only). Auto-answer enabled at power-up (switch configuration only). 1 0 Command echo disabled. 1 Command echo enabled. 2 0 Result codes enabled. 1 Result codes disabled. 3 0 Display result codes in numeric format. 1 Display result codes in verbose format. 4 0 Command sets enabled. 1 Command sets disabled. 5 0 Tone dial enabled. 1 Pulse dial enabled. 6 0 Speaker disabled (switch configuration only). 1 Speaker enabled until carrier detected (switch configuration only). Config. Mode Function 7 0 NVRAM Answer mode enabled. 1 NVRAM Originate mode enabled. 0 Switch Speaker not always enabled. 1 Switch Speaker always enabled. BIT-MAPPED REGISTER S15 Format: AT [cmds] S15=n [cmds] Default: Unidentified Range: 0 - 255 Description: Controls data speed, answer/originate mode, and duplexing. Note: This register is only used when in switch configuration mode. Bit Value Function 1, 0 00 Modem will operate at 2400bps. 01 Modem will operate at 300bps. 10 Modem will operate at 110bps. 11 Modem will operate at 1200bps. 2 0 Modem is in answer mode. 1 Modem is in originate mode. 3 0 Modem uses half-duplex. 1 Modem uses full-duplex. 5, 4 00 Modem will operate at 2400bps. 01 Modem will operate at 300bps. 10 Modem will operate at 110bps. 11 Modem will operate at 1200bps. COMMAND SET - VEN-TEL Type: Immediate Format: AT [cmds] %V Description: Enters the Ven-Tel command set mode. 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 Direct mode enabled. \N2 MNP reliable mode enabled. \N3 MNP auto-reliable mode enabled. \N4 X.PC auto-reliable mode enabled. \N5 MNP and X.PC auto-reliable answer mode, MNP auto-reliable originate mode. DATA SET READY (DSR) AND CLEAR TO SEND (CTS) SIGNALS Type: Configuration Format: AT [cmds] \Dn [cmds] Description: Controls the behaviour of the DSR and CTS signals. Command Function \D0 DSR and CTS forced high. \D1 CTS follows CD. If &C is not set to 1 then DSR also follows CD, otherwise it follows OH. \D2 DSR and CTS follow CD. \D3 DSR follows answer tone, CTS forced high. DIAL Type: Immediate Format: AT [cmds] D<#> [cmds] Description: Dials the telephone number indicated 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. DM Attempt to make a MNP mode connection. Modem will fall back to normal mode. DP Pulse dialing enabled. DR Answer mode enabled; originate mode disabled following handshake initiation. DS Dial stored telephone number. DT Tone dialing enabled. DV Attempt to make a peer-to-peer mode X.PC connection. Modem will fall back to normal mode. DW Dialing resumed following dial tone detection. DX Attempt to make a network mode X.PC connection. Modem will fall back to normal mode. 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. DISPLAY CONFIGURATION Type: Immediate Format: AT [cmds] \S [cmds] Description: Displays the settings of selected commands. DISPLAY S-REGISTERS Type: Immediate Format: AT [cmds] %R [cmds] Description: Displays the settings of all S-registers. 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 end remote digital loopback test in progress. O2 Return to on-line state and initiate remote digital loopback test. X.PC CHARACTER DELAY Type: Register Format: AT [cmds] S50=n [cmds] Default: Unidentified Range: 10 - 255 Unit: 1 mS Description: Sets the maximum delay time between the modem receiving a character from the DTE and the modem transmitting an X.PC block. X.PC DISCONNECT Type: Immediate Format: AT [cmds] %H [cmds] Description: Disconnects from the X.PC network connection while maintaining the physical connection. MISCELLANEOUS TECHNICAL NOTE Bits of bit-mapped registers that are not used may be either 0 or 1. Proprietary Ven-Tel Command Set CLEAR STORED NUMBERS Type: Immediate Format: C Description: Clears all stored numbers. COMMAND SET - AT Type: Configuration Format: Q Description: Returns to the AT command set. DIAL Type: Immediate Format: K Description: The user will be prompted for a number to dial. The following modifiers may be used. Command Function M Attempt to make a MNP mode connection. Modem will fall back to normal mode. V Attempt to make a peer-to-peer mode X.PC connection. Modem will fall back to normal mode. X Attempt to make a network mode X.PC connection. Modem will fall back to normal mode. & Dialing resumed following dial tone detection. , Dialing paused for 2 seconds. ! Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. % Dialing paused for 5 seconds. DIAL STORED NUMBER Type: Immediate Format: n Default: N/A Range: 1 - 9 Unit: N/A Description: Dials stored number n. DISPLAY STORED NUMBERS Type: Immediate Format: D Description: Displays all stored numbers. HELP Type: Immediate Format: H Description: Displays a list of all commands. LOGOFF STRING Type: Configuration Format: L Description: Sets a string that the modem will disconnect upon receiving. Control characters may be entered by preceding the letter with a caret. REDIAL Type: Immediate Format: R Description: Redials the last number dialed. REDIAL REPEATEDLY Type: Immediate Format: F Description: Redials the last number dialed up to ten times with an increasingly long pause between attempts. SET OPTIONS Type: Configuration Format: O Description: Displays a menu of options that may be set. STORE NUMBER IN NVRAM Type: Configuration Format: Sn [prompt]: <#>RaLb Description: The user will be prompted to enter the number to store. At the end of this number, the user may enter the R and L options. The modem will redial this number a times, and if this connection still can not be made, it will proceed to the number stored in memory location b. MISCELLANEOUS TECHNICAL NOTE AT commands may still be entered in this mode.