MAXTECH GM144E (REV.1) Card Type Fax, Modem (synchronous/asynchronous) Chip Set Unidentified Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus External Fax Class Class I & II Data Modulation Protocol Bell 103/212A ITU-T V.22, V.22bis, V.32, V.32bis Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Function Label Function Label Line in CN1 DC power CN4 Line out CN2 Power switch SW1 RS-232/422 CN3 USER CONFIGURABLE SETTINGS Setting Label Position SMART mode JP1 Pins 2 & 3 closed DUMB mode JP1 Pins 1 & 2 closed DIAGNOSTIC LED(S) LED Color Status Condition TST Red On Normal operation TST Red Flash Modem has detected and corrected error HS Red On Modem is operating at 4800bps or faster HS Red Off Modem is operating at slower than 4800bps 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 Red On Power is on MR Red Off Power is off Proprietary AT Command Set ACCEPT MNP RELIABLE MODE Type: Immediate Format: AT [cmds] \U [cmds] Description: Accept remote modem’s request for MNP reliable mode AUTO-RELIABLE FALLBACK CHARACTER Type: Configuration Format: AT [cmds] %An [cmds] Default: 0 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] Description: Controls the handling of incoming data during auto-reliable time period Command Function \C0 Data is discarded \C1 Data is buffered \C2 Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character. AUTO-RETRAIN Type: Configuration Format: AT [cmds] %En [cmds] Description: Controls auto-retrain mode Command Function %E0 Auto-retrain disabled %E1 Auto-retrain enabled BIT-MAPPED REGISTER S14 Format: AT [cmds] S14=n [cmds] Default: Unidentified Range: 0-255 Unit: Bit-mapped Description: Controls echo, result codes and display, dumb mode, dial mode, stored profile, and answer/originate mode. Bit Value Function 0 0 Command echo disabled 1 Command echo enabled 2, 1 00 Result codes enabled 01 Result codes disabled 10 Result codes enabled in originate mode only 3 0 Display result codes in numeric format 1 Display result codes in verbose format 4 0 Dumb mode disabled 1 Dumb mode enabled 5 0 Tone dial enabled 1 Pulse dial enabled 6 0 stored profile 0 1 stored profile 1 7 0 Answer mode enabled 1 Originate mode enabled BIT-MAPPED REGISTER S16 Type: Register Format: AT [cmds] S16=n [cmds] Default: 23 Range: 0-55 Unit: Bit-mapped Description: Grants/denies remote digital loopback; controls clear down signal, auto-retrain, and extended result codes. Bit Value Function 0 0 Remote digital loopback denied 1 Remote digital loopback allowed 1 0 Disable clear down signal 1 Enable clear down signal 2 0 Auto-retrain disabled 1 Auto-retrain enabled 3 0 Not used 5, 4 00 Extended result codes disabled /DCE speed only 01 Extended result codes/DCE speed enabled 10 Extended result codes disabled /DTE speed only 11 Extended result codes/DTE speed enabled BIT-MAPPED REGISTER S21 Format AT [cmds] S21=n [cmds] Default: Unidentified Range: 0-255 Unit: Bit-mapped Description: Selects originate-only mode, line mode, CTS/DCD/DSR signals, low DTR action, and the long space disconnect function. Bit Value Function 0 0 Disable originate-only mode 1 Enable originate-only mode 1 0 Switched line 1 Leased-line 2 0 CTS follows RTS 1 CTS forced high 4, 3 00 DTR signal ignored 01 Modem goes to command mode on low DTR 10 Modem disconnects on low DTR; Auto-Answer is disabled. 11 Modem is initialized on low DTR 5 0 DCD forced high 1 DCD normal 6 0 DSR forced high 1 DSR normal 7 0 Long space disconnect function disabled 1 Long space disconnect function enabled BIT-MAPPED REGISTER S22 Format AT [cmds] S22=n [cmds] Default: 118 Range: 0-255 Unit: Bit-mapped Description: Controls speaker volume and controls, limits results codes, and pulse dial make/break ratio. Bit Value Function 1, 0 00 Low level volume 01 Low level volume 10 Medium level volume 11 High level volume 3, 2 00 Speaker off 01 Speaker off on carrier 10 Speaker always on 11 Speaker on during handshake 6 - 4 000 Basic result codes only enabled 100 Basic and connection speed result codes enabled 101 Basic and connection speed result codes and dial-tone detection enabled 110 All result codes except dial-tone detection 111 enabled All result codes enabled 7 0 39/61ms at 10pps (North America) 1 33/67ms at 10pps (Europe) BIT-MAPPED REGISTER S23 Format AT [cmds] S23=n [cmds] Default: Unidentified Range: 0-186 Unit: Bit-mapped Description: Controls DTE rate and parity, and sets guard tone. Bit Value Function 3 - 0 0000 Sets serial port speed to 300bps 0010 Sets serial port speed to 1200bps 0011 Sets serial port speed to 2400bps 0100 Sets serial port speed to 4800bps 0110 Sets serial port speed to 9600bps 1000 Sets serial port speed to 14400bps 1001 Sets serial port speed to 19200bps 1010 Sets serial port speed to 28800bps 1011 Sets serial port speed to 38400bps 1100 Sets serial port speed to 57600bps 1101 Sets serial port speed to 115200bps 5, 4 00 Parity even 01 Space Parity 10 Parity odd 11 Mark or No Parity 7, 6 00 Guard tone disabled 01 Guard tone 550Hz enabled 10 Guard tone 1800Hz enabled BIT-MAPPED REGISTER S27 Format AT [cmds] S27=n [cmds] Default: Unidentified Range: 0-235 Unit: Bit-mapped Description: Selects synchronous/asynchronous mode, clock source, and sets DCE speed. Bit Value Function 1, 0 00 Asynchronous mode, serial port speed follows connect speed 01 Asynchronous off-line command mode and synchronous 10 connect mode 11 Synchronous connect mode Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR 3, 2 00 Local modem generates transmit clock source 01 Local DTE generates transmit clock source 10 Remote DCE/DTE generates transmit clock source 7 - 4 0000 Sets DCE speed to 300bps 0010 Sets DCE speed to 1200bps 0011 Sets DCE speed to 2400bps 0100 Sets DCE speed to 4800bps 0101 Sets DCE speed to 7200bps 0110 Sets DCE speed to 9600bps 0111 Sets DCE speed to 12000bps 1000 Sets DCE speed to 14400bps 1001 Sets DCE speed to 16800bps 1010 Sets DCE speed to 19200bps 1011 Sets DCE speed to 21600bps 1100 Sets DCE speed to 24000bps 1101 Sets DCE speed to 26400bps 1110 Sets DCE speed to 28800bps BIT-MAPPED REGISTER S28 Format AT [cmds] S28=n [cmds] Default: 16 Range: 0-149 Unit: Bit-mapped Description: Controls power-on auto-connect, security call-back, auto-rate negotiation ,and DCE protocol. Bit Value Function 0 0 Disabled power-on auto-connect 1 Enabled power-on auto-connect 2, 1 00 Disabled security call-back 01 Password security check only 10 Enabled security call-back 3 0 Disable auto-rate negotiation 1 Enable auto-rate negotiation 7 - 4 0000 ITU-T mode 0001 Bell mode 0010 Auto-scan mode 0011 V.23 mode 0100 Set Connection speed to 300bps 0101 Set Connection speed to 1200bps 0110 Set Connection speed to 2400bps 0111 Set Connection speed to 4800bps 1000 Set Connection speed to 9600bps 1001 Set Connection speed to 14400bps 1010 Set Connection speed to 16800bps 1011 Set Connection speed to 19200bps 1100 Set Connection speed to 21600bps 1101 Set Connection speed to 24000bps 1110 Set Connection speed to 26400bps 1111 Set Connection speed to 28800bps BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Default: 3 Range: 1-9 Unit: .1 second Description: Sends break to modem BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Description: Configures action of break signal Command Break from DTE Break from Modem Break DTE receives \B received in from remote Reliable/Normal in Direct modem mode mode \K0 No break sent to On-line Break sent Buffers remote modem command mode to remote cleared, enabled, modem and break sent break sent buffered to DTE to remote cleared modem \K1 Break sent to Send break Break sent Buffers remote modem to remote to remote cleared, immediately and modem modem and break sent clear buffered immediately buffered to DTE cleared \K2 No break sent to On-line Send break Break sent remote modem command mode to remote immediately enabled, modem to DTE break sent immediately to remote modem \K3 Send break to Send break Send break Break sent remote modem to remote to remote immediately immediately modem modem to DTE immediately immediately \K4 No break sent to On-line Send break Break sent remote modem command mode with with enabled, transmitted received break sent data data to the to remote DTE modem \K5 Send break with Send break Send break Break sent transmitted data to remote with with modem transmitted received immediately data data to the DTE CLEAR DOWN SIGNAL Type: Configuration Format: AT [cmds] %Dn [cmds] Description: Controls clear down signal Command Function %D0 Disable clear down signal %D1 Enable clear down signal COMPRESSION Type: Configuration Format: AT [cmds] %Cn [cmds] Description: Selects data compression Command Function %C0 Data compression disabled %C1 Data compression 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 Direct mode enabled \N2 MNP mode enabled \N3 MNP reliable mode enabled \N4 V.42 reliable mode enabled \N5 Reliable mode enabled \N6 Auto-reliable mode enabled CONVERT TO MNP RELIABLE MODE Type: Immediate Format: AT [cmds] \Y [cmds] Description: Converts to MNP reliable mode from normal or direct mode COUNTRY CODE Type: Configuration Format: AT [cmds] *NCn [cmds] Description: Select country code to be used Command Function 0 Austria 1 Belgium 2 Denmark 3 Finland 4 France 5 Germany 6 Ireland 7 Italy 8 Luxembourg 9 Netherlands 10 Norway 11 Portugal 12 Spain 13 Sweden 14 Switzerland 15 United Kingdom 16 New Zealand 17 Australia DISPLAY PASSWORD Type: Configuration Format: AT [cmds] \P=? [cmds] Description: Displays a password from non-volatile memory Note: NO PASSWORD SAVED is returned if no password was saved. ECHO DATA Type: Configuration Format: AT [cmds] \En [cmds] Description: Enables modem to echo received data Command Function \E0 Data echo disabled \E1 Data echo enabled EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] \Vn [cmds] Description: Selects extended result codes Command Function \V0 Extended result codes/DCE speed disabled \V1 Extended result codes/DCE speed enabled \V2 Extended result codes/DTE speed disabled \V3 Extended result codes/DTE speed enabled FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Description: Selects modem port flow control Command Function \G0 Flow control disabled \G1 Flow control 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 \Q4 Unidirectional XON/XOFF flow control by DCE enabled INACTIVITY TIMER Type: Configuration Format: AT [cmds] \Tn [cmds] Default: 0 Range: 0-90 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. INITIATE MNP RELIABLE MODE Type: Immediate Format: AT [cmds] \O [cmds] Description: Initiates MNP reliable mode from normal or direct mode LOCK SERIAL PORT Type: Configuration Format: AT [cmds] \Jn [cmds] Description: Sets operation of serial port speed Command Function \J0 Serial speed locked \J1 Serial speed follows connect speed MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Description: Sets the maximum transmittable block size Command Function \A0 MNP block size is 64 characters \A1 MNP block size is 128 characters \A2 MNP block size is 192 characters \A3 MNP block size is 256 characters PASSWORD Type: Configuration Format: AT [cmds] \P=n [cmds] Description: Stores a password in non-volatile memory Note: Maximum of 7 characters and password is not case sensitive. POWER-ON AUTO-CONNECT Type: Configuration Format: AT [cmds] %Pn [cmds] Description: Controls power-on auto-connect Command Function %P0 Disabled power-on auto-connect %P1 Enabled power-on auto-connect REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports product identification code I1 Reports ROM checksum I2 Internal memory test I3 Reports V.42bis ID I4 Reports internal ID I90 Report country code SECURITY CALL-BACK Type: Configuration Format: AT [cmds] %Sn [cmds] Description: Controls security call-back Command Function %S0 Disabled security call-back %S1 Enabled security call-back %S2 Password security check only SWITCH TO NORMAL MODE Type: Immediate Format: AT [cmds] \Z [cmds] Description: Switches to normal mode from MNP mode TRANSMISSION LEVEL Type Configuration Format AT [cmds] %Ln [cmds] Default 12 Range 0-15 Unit -1 dBm Description Sets the signal level for transmission XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] 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