E-TECH RESEARCH, INC. E288MX (REV. 1.1) Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus External Fax Class Class I & II Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 AT&T V.32terbo Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 DC power CN4 Line in CN2 Volume R1 RS-232/422 CN3 Power switch SW1 DIAGNOSTIC LED(S) LED Color Status Condition TD Red On DTE is transmitting data TD Red Off DTE is not transmitting data RD Red On Modem is receiving data RD Red Off Modem is not receiving data DTR Red On DTR signal is high DTR Red Off DTR signal is low CTS Red On CTS signal is high CTS Red Off CTS signal is low DCD Red On Carrier signal detected DCD Red Off Carrier signal not detected OH Red On Modem is off-hook OH Red Off Modem is on-hook AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing LL Red On Operating in lease-line mode LL Red Off Not operating in Lease-line mode PWR Red On Power is on PWR Red Off Power is off JUMPER SELECTION Function JP6 JP7 JP8 JP9 Switched Open Not used Not used Closed Lease Line - Closed Open Closed Open originating Lease Line - Closed Closed Closed Open answering Proprietary AT Command Set AUTO FALL FORWARD/FALLBACK Type: Configuration Format: AT [cmds] %Gn [cmds] Example: AT %G1 &W Description: Selects auto fallback. Command Function %G0 Fallback disabled. » %G1 Fallback enabled. AUTO-RELIABLE FALLBACK CHARACTER Type: Configuration Format: AT [cmds] %An [cmds] Example: AT%A20 Default: 13 Range: 0-127 Unit: ASCII Description: Sets the character used as the auto-reliable fallback character. %A0 will disable this function. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] \Cn [cmds] Example: AT \C1 &W Description: Controls the handling of incoming data during auto-reliable time period. Command Function » \CO Data is discarded. \C1 Data is buffered. \C2 Data is discarded, sets to normal mode and sends auto-reliable character to serial port. AUTO SLEEP TIMER Type: Register Format AT [cmds] S46=n [cmds] Example: AT S46= 100 Default: 255 Range: 0 - 255 Unit: .1 second Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT \B3 &W Range: 0 - 9 Unit: 100 ms Description: Sends break to modem. BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K1 Description: Configures action of break signal. Command In normal or In direct mode, Break received reliable mode, break from DTE from remote break from DTE modem \K0 Online command Send break Buffers mode enabled, immediately and cleared, break send no break to enter command sent to remote remote modem. state. modem. \K1 Break sent to Send break to Buffers remote modem and remote modem cleared, break buffered immediately. sent to remote cleared. modem. \K2 Online command Send break Break sent mode enabled, immediately and immediately to send no break to enter command DTE. remote modem. state. \K3 Send break to Send break to Break sent remote modem remote modem immediately to immediately. immediately. DTE. \K4 Online command Send break Break sent to mode enabled, immediately and remote modem send no break to enter command when data remote modem. state. received. \K5 Send break with Send break to Break sent to transmitted remote modem remote modem data. immediately. when data received. COMMAND SET Type: Configuration Format: AT [cmds] %Vn [cmds] Example: AT %V0 &W Description: Selects V.25bis or AT command sets. Command Function » %V0 AT command set enabled. %V1 V.25bis command set enabled. COMPRESSION Type: Configuration Format: AT %Cn Example: AT *EC0 %C3 *AP0 Description: Contols data compression. Command Function %C0 Data compression disabled. %C1 MNP 5 enabled. %C2 V.42bis enabled. » %C3 MNP 5 and V.42bis enabled. DATA COMPRESSION CONTROL Type: Configuration Format: AT [cmds] $Cn [cmds] Example: AT $C1 &W Description: Controls data compression. Command Function $C0 Data compression disabled. » $C1 MNP 5 and V.42bis enabled. DIAL STORE NUMBER Type: Configuration Format: AT [cmds] DSn [cmds] Example: AT DS1 &W Description: Dial stored number Note: n = 0 - 3, only three phone numbers can be in the nonvolatile memory. DTE RATE STATUS Type: Register Format: AT [cmds] S62=n [cmds] Example: AT S62=16 Description: Selects DTE rate. Command Function 0 300bps. 1 600bps. 2 1200bps. 3 2400bps. 4 4800bps. 5 7200bps. 6 9600bps. 7 12Kbps. 8 14.4Kbps. 9 16.8Kbps. 10 19.2Kbps. 11 21.6Kbps. 12 24Kbps. 13 26.4Kbps. 14 28.8Kbps. 15 38.4Kbps. » 16 57.6Kbps. 17 115.2Kbps. DTE SPEED OPTION Type: Configuration Format: AT [cmds] \Jn [cmds] Example: AT \J0 &W Description: Controls the speed of the DTE. Command Function » \J0 DCE and DTE rates are independent. \J1 DTE rate adjusts to DCE rate after connection. ERROR CORRECTION CONTROL Type: Configuration Format: AT [cmds] $En [cmds] Example: AT $E3 &W Description: Selects error correction mode. Command Function $E0 Normal mode. $E1 MNP auto-reliable mode. $E2 MNP reliable mode. » $E3 LAPM, MNP, or normal reliable mode. $E4 LAPM mode reliable mode only. FAX/DATA MODE Type: Register Format: AT [cmds] S50=n [cmds] Example: AT S50=0 &W Description: Choose data or FAX mode. Command Function » 0 Data mode enabled. 1 FAX mode enabled. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT \G1 &K3 Description: Selects modem port flow control. Command Function \G0 Flow control disabled. \G1 Flow control enabled. FLOW CONTROL Type: Configuration Format: AT [cmds] $Fn [cmds] Example: AT $F4 A Description: Select flow control used by modem. Command Function $F0 XON/XOFF software flow control enabled. $F1 XON/XOFF pass-through flow control enabled. $F4 Hardware CTS/RTS flow control enabled. $F5 Flow control disabled. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] \Qn [cmds] Example: AT \Q2 Description: Sets type of flow control used by modem. Command Function \Q0 Flow control disabled. \Q1 XON/XOFF software flow control enabled. \Q2 CTS flow control by DCE enabled. » \Q3 CTS/RTS hardware flow control enabled. IDENTIFICATION Type: Immediate Format: AT [cmds] In [cmds] Example: AT I3 &W Description: Displays several options. Command Function I0 Display product - identification code. I2 Display ROM checksum. I3 Display firmware version. I4 Display OEM string. I5 Display country code. I9 Display ROM checksum. INACTIVITY TIMER Type: Register Format: AT [cmds] \Tn [cmds] Example: AT\T20 Default: Unidentified. Range: 1-90 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. Note: \T0 will disable inactivity timer. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A3 %C1 Description: Sets the maximum transmittable block size. Command Function \A0 Maximum MNP block size is 64 characters. \A1 Maximum MNP block size is 128 characters. \A2 Maximum MNP block size is 192 characters. » \A3 Maximum MNP block size is 256 characters. \A4 Maximum MNP block size is 32 characters. MODEM PROTOCOL Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT \N1 DT555-1212 Description: Sets connect mode. Command Function \N0 Normal mode enabled. \N1 Direct mode enabled. \N2 MNP reliable mode enabled. » \N3 MNP, LAP-M, or normal mode enabled. \N4 LAP-M or MNP reliable enabled. \N5 LAP-M reliable mode enabled. POOR SIGNAL QUALITY REACTION Type: Configuration Format: AT [cmds] %En [cmds] Example: AT %E0 Description: Configures the modem’s reaction to poor signal quality. Command Function %E0 Modem will disconnect during poor signal quality. » %E1 Modem retrains during poor signal quality, disconnect if threshold set in S37 is exceeded. %E2 Modem does nothing during poor signal quality. PROTOCOL RESULT CODE Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT \V0 Q0 Description: \V responds when conjunction with W0 and W2 commands. Command Function \V1 Protocol result code disabled. » \V0 Protocol result code enabled. PROTOCOL/SPEED Type: Register Format: AT [cmds] S37n [cmds] Example: AT S37=0 Description: Selects the current DCE speed. Command Function 0 Select last AT speed. 3 Select 300bps speed. 5 Select 1200bps speed. 6 Select 2400bps speed. 7 Select 4800bps speed. 8 Select 7200bps speed. 9 Select 9600bps speed. 10 Select 12Kbps speed. 11 Select 14.4Kbps speed. 12 Select 16.8Kbps speed. 13 Select 19.2Kbps speed. 14 Select 21.6Kbps speed. 15 Select 24Kbps speed. 16 Select 26.4Kbps speed. 17 Select 28.8Kbps speed. ROUND TRIP DELAY Type: Register Format: AT [cmds] S65=n [cmds] Example: AT S65=1 Default: Unidentified Range: Unidentified Unit: 100 ms Description: Sets the round trip delay. V.42 DETECTION PHASE Type: Configuration Format: AT [cmds] -Jn [cmds] Example: AT -J1 &W Description: Controls V.42 detection. Command Function -J0 V.42 detection disabled. » -J1 V.42 detection enabled. V42bis COMPRESSION Type: Configuration Format: AT [cmds] "Hn [cmds] Example: AT "H3 &W Description: Controls V.42bis compression. Command Function "H0 V.42bis disabled. "H1 V.42bis while transmit enabled. "H2 V.42bis while receiving enabled. » "H3 V.42bis during transmitting and receiving enabled. V.42bis DICTIONARY SIZE Type: Configuration Format: AT [cmds] "Nn [cmds] Example: AT "N2 &W Description: Controls V.42 dictionary size. Command Function "N0 512 bytes. "N1 1024 bytes. » "N2 1536 bytes. V.42bis MAXIMUM STRING LENGTH Type: Immediate Format: AT [cmds] "On [cmds] Example: AT "O32 Default: 32 Range: 6 - 64 Unit: Unidentified Description: Selects string size for V.42bis compression. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT \X0 Description: Selects whether XON/XOFF signals are sent to remote modem. Command Function » \X0 XON/XOFF signals trapped by local modem. \X1 XON/XOFF passed through local modem. Proprietary V.25bis Command Set COMMAND SET - AT Type: Immediate Format: CNL[cmds] Example: CNL%V0 Description: Execute an AT command. REQUEST LISTED NUMBERS Type: Immediate Format: RLN Example: RLN Description: Requests the modem to return the list of stored numbers. If no numbers are stored, the modem will return LSN. STORED NUMBERS LIST Type: Result code Format: LSNxxxx Example: LSN 443-3388 Description: Displays stored numbers. xxxx may specify a memory location, phone number, or status. If no code was specified with RLN, all stored numbers are displayed.