SIMPLE TECHNOLOGY, INC. PCMCIA DATA/FAX MODEM CARD Modem Type Data (asynchronous)/Fax Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA Type II Fax Class Class I & II Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22bis, V.23, 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 V1478 Proprietary AT Command Set AUTO-RETRAIN - FALLBACK/FALLFORWARD Type: Configuration Format: AT [cmds] %En [cmds] Example: AT %E1 Description: Controls auto-retrain mode and fallback/fall forward. Command Function » %E0 Auto-retrain disabled. %E1 Auto-retrain enabled. %E2 Fallback/fall forward enabled. BIT-MAPPED REGISTER S14 Format AT [cmds] S14? [cmds] Example: ATS14? Default: Read only Range: 0-174 Unit: Bit-mapped Description: Controls echo, result codes, result code display, dial mode, and answer/originate mode. Bit Value Meaning 0 0 Not used. 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 Not used. 5 » 0 Tone dial enabled. 1 Pulse dial enabled. 6 0 Not used. 7 0 Answer mode enabled. » 1 Originate mode enabled. BIT-MAPPED REGISTER S21 Format AT [cmds] S21? [cmds] Example: ATS21? Default: Read only Range: 0 - 124 Unit: Bit-mapped Description: Selects CTS signal, low DTR action, DCD signal, DSR signal, and the Long Space Disconnect function. Bit Value Meaning 1, 0 0 Not used. 2 0 CTS forced high. » 1 CTS follows RTS. 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? [cmds] Example: ATS22? Default: Read only Range: 0-127 Unit: Bit-mapped Description: Controls speaker volume and controls, and limits results codes. Bit Value Meaning 1, 0 00 Off volume. » 01 On 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, 5, 4 000 Basic result codes only enabled. 100 Basic and connection speed result codes enabled. 101 All results codes except dialtone 110 detection enabled. » 111 Basic and connection speed result codes and dialtone detection enabled. All result codes enabled. BIT-MAPPED REGISTER S23 Format AT [cmds] S23? [cmds] Example: ATS23? Default: Read only Range: 0-255 Unit: Bit-mapped Description: Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone. Bit Value Meaning 0 0 Remote digital loopback denied. » 1 Remote digital loopback allowed. 3, 2, 1 000 Sets serial port speed to 0-300bps. 001 Sets serial port speed to 600bps. 010 Sets serial port speed to 1200bps. » 011 Sets serial port speed to 2400bps. 100 Sets serial port speed to 4800bps. 101 Sets serial port speed to 9600bps. 110 Sets serial port speed to 19200bps. 5,4 00 Parity even. 01 Not used. 10 Parity odd. » 11 No Parity. 7, 6 » 00 Guard tone disabled. 01 Guard tone disabled. 10 Guard tone 1800Hz enabled. BIT-MAPPED REGISTER S27 Format AT [cmds] S27? [cmds] Example: AT S27? Default: Read only Range: 0 - 127 Unit: Bit-mapped Description: Selects async mode, and ITU-T/Bell modes. Bit Value Meaning 3, 1, 0 00 Direct asynchronous mode. » 01 Reliable asynchronous mode. 10 Normal Asynchronous mode. 5, 4, 2 0 Not used. 6 0 CCITT mode. » 1 Bell mode. BIT-MAPPED REGISTER S28 Format AT [cmds] S28? [cmds] Example: AT S28? Default: Read only Range: 0 - 192 Unit: Bit-mapped Description: Controls MNP10 link negotiation. Bit Value Meaning 5 - 0 0 Not used. 7, 6 » 00 Link will be negotiated at highest possible speed. 01 Link will be negotiated at 1200bps. 11 Link will be negotiated at 4800bps. BIT-MAPPED REGISTER S31 Format AT [cmds] S31? [cmds] Example: ATS31? Default: Read only Range: 0-15 Unit: Bit-mapped Description: Controls auto-baud function and result codes. Bit Value Meaning 0 0 Not used. 1 0 Auto-baud disabled. » 1 Auto-baud enabled. 3, 2 » 00 DTE speed displayed in result codes. 01 Extended result codes enabled; DCE speed displayed in result codes. 10 DCE speed displayed in result codes. 5 - 4 0 Not used. 7 - 6 » 11 Not used. BIT-MAPPED REGISTER S40 Format AT [cmds] S40? [cmds] Example: AT S40? Default: Read only Range: 0 - 65 Unit: Bit-mapped Description: Controls MNP10 data compression, power level adjustment, break type, and MNP block size. Bit Value Meaning 1, 0 00 MNP10 disabled. » 01 MNP10 enabled. 10 MNP10 enabled, except during V.42 answer detection. 2 » 0 Power level adjustment disabled. 1 Power level adjustment enabled. 5 - 3 000 Displays \K0. 001 Displays \K1. 010 Displays \K2. 011 Displays \K3. 100 Displays \K4. » 101 Displays \K5. 6, 7 00 MNP block size is 64 characters. » 01 MNP block size is 128 characters. 10 MNP block size is 192 characters. 11 MNP block size is 256 characters. BIT-MAPPED REGISTER S41 Format AT [cmds] S41? [cmds] Example: ATS41? Default: Read only Range: 0 - 255 Unit: Bit-mapped Description: Selects compression, auto-retrain, flow control, and MNP mode. Bit Value Meaning 1, 0 00 Data compression disabled. 01 MNP5 enabled. 10 V.42bis enabled. » 11 MNP5 and V.42bis enabled. 6, 2 » 00 Auto-retrain disabled. 01 Auto-retrain enabled. 10 Fallback/fall forward enabled. 3 » 0 Flow control disabled. 1 Flow control enabled. 4 » 0 Stream mode for MNP. 1 Block mode for MNP. 5 0 Not used. 7 0 MNP10 at 2400 and 1200bps disabled. » 1 MNP10 at 2400 and 1200bps enabled. BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT \B3 &W Default: 3 Range: 1-9 Unit: .1 second Description: Sends break to modem. BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K1 Description: Configures action of break signal. Command Break from DTE Modem receives Break from \B remote modem \K0 Enter command Buffers cleared Buffers cleared mode, do not and break sent and break sent send break to to remote modem. to DTE. remote modem. \K1 Buffers cleared Buffers cleared Buffers cleared and break sent and break sent and break sent to remote modem. to remote modem. to DTE. \K2 Enter command Send break to Send break to mode, do not remote modem DTE immediately. send break to immediately. remote modem. \K3 Send break to Send break to Send break to remote modem remote modem DTE immediately. immediately. immediately. \K4 Enter command Send break to Break sent with mode, do not remote modem received data to send break to with transmitted the DTE. remote modem. data. » \K5 Send break with Send break to Break sent with transmitted remote modem received data to data. with transmitted the DTE. data. CELLULAR TRANSMISSION LEVEL Type: Register Format: AT [cmds] @Mn [cmds] Example: AT @M26 &W Default: 26 Range: 10-31 Unit: -1dBm. Description: Sets the signal level for transmission when in leased line mode. Command Function @M0 -26dBm. @M1 -30dBm. @M2-@M10 -10dBm. CELLULAR TRANSMISSION LEVEL Format AT [cmds] S201=n [cmds] Example: AT S201=58 &W Default: 58 Range: 0-255 Unit: ASCII decimal Description: Sets the signal level for transmission when in leased line mode. Bit Value Equiv. Function 4 - 0 00000 @M0 Sets leased line transmit attenuation level to -26dBm. ... ... ... » 11010 @M26 Sets leased line transmit attenuation 11111 ... level to -10dBm. @M31 ... Sets leased line transmit attenuation level to -31dBm. 5 » 0 Equalizer disabled. 1 Equalizer enabled. COMPRESSION Type: Configuration Format: AT %Cn Example: AT *EC0 %C1 *AP0 Description: Selects data compression. Command Function %C0 Data compression disabled. %C1 MNP5 enabled. %C2 V.42bis enabled. » %C3 Both MNP5 and V.42 enabled. COMPROMISE EQUALIZER Type: Configuration Format: AT [cmds] :En [cmds] Example: AT :E &W Description: Controls V.32 compromise equalizer. Command Function :E0 Equalizer disabled. » :E1 Equalizer enabled. CONNECT MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT \N1 DT555-1212 Description: Sets connect mode. Command Function \N0 Normal mode enabled. \N2 Reliable mode enabled. » \N3 Auto-reliable mode enabled. \N4 LAPM mode enabled. \N5 MNP mode enabled. 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. FLASH DIAL MODIFIER TIME Format AT [cmds] S29=n [cmds] Example: ATS29=70 Default: 70 Range: 0-255 Unit: .01 second Description: Time the modem will go on-hook upon receiving the ! dial modifier in dial string. 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 CHARACTER - XOFF Type: Register Format: AT [cmds] S33=n [cmds] Example: ATS33=20 Default: 19 Range: 0-255 Unit: ASCII Description: Sets the character used to represent XOFF. FLOW CONTROL CHARACTER - XON Type: Register Format: AT [cmds] S32=n [cmds] Example: ATS32=20 Default: 17 Range: 0-255 Unit: ASCII Description: Sets the character used to represent XON. LINE SIGNAL LEVEL Type: Configuration Format: AT [cmds] %L [cmds] Example: AT %L &W Description: Returns recieved line signal level. LINE SIGNAL QUALITY Type: Configuration Format: AT [cmds] %Q [cmds] Example: AT %Q Description: Displays line signal quality. 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 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. MNP STREAM/BLOCK MODE Type: Configuration Format: AT [cmds] \Ln [cmds] Example: AT \L1 DT555-1212 Description: Selects the transfer mode for MNP. Command Function » \L0 Stream mode for MNP enabled. \L2 Block mode for MNP enabled. MNP10 COMPRESSION Type: Configuration Format: AT [cmds] -Kn [cmds] Example: AT %C1 -K1 -Q0 Description: Selects MNP10 data compression. Command Function -K0 MNP10 disabled. » -K1 MNP10 enabled. -K2 MNP10 enabled, except during V.42answer detection. MNP10 FALL-BACK Type: Configuration Format: AT [cmds] -Qn [cmds] Example: AT *H0 -Q1 Description: Allows MNP10 to fall back to speeds slower than 4800bps. Command Function -Q0 MNP10 at 2400 and 1200bps disabled. » -Q1 MNP10 at 2400 and 1200bps enabled. MNP10 LINK NEGOTIATION Type: Configuration Format: AT [cmds] *Hn [cmds] Example: AT *H0 -Q1 Description: Sets the speed at which MNP10 link negotiation will occur. Command Function » *H0 Link will be negotiated at highest possible speed. *H1 Link will be negotiated at 1200bps. *H2 Link will be negotiated at 4800bps. MNP10 POWER LEVEL ADJUST Type: Configuration Format: AT [cmds] )Mn [cmds] Example: AT )M1 %C1 Description: Controls automatic transmit power level adjustment during MNP 10 link negotiation. Command Function » )M0 Power level adjustment disabled. )M1 Power level adjustment enabled. PROTOCOL/SPEED Type: Configuration Format: AT [cmds] Fn [cmds] Example: AT F0 A Description: Selects the current protocol and speed. Command Function » F0 Auto-select fastest common protocol. F1 V.21/Bell 103A 300bps. F3 V.23 1200/75bps. F4 V.22/Bell 212A 1200bps. F5 V.22bis. F6 V.32bis/V.32 4800bps. F7 V.32bis 7200bps. F8 V.32 9600bps F9 V.32bis 12Kbps F10 V.32bis 14.4Kbps REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Example: AT I1 O Description: Displays modem properties. Command Function I0 Reports product code. I1 Reports ROM checksum result. I2 Test ROM. Reports OK or Error. I3 Reports ROM revision level. I4 Reports modem identifier string. I5 Reports country code. I6 Reports data pump model. SLEEP TIMER Format AT [cmds] S24=n [cmds] Example: ATS24=32 Default: 32 Range: 0 - 255 Unit: 1 second Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. S24=0 will disable timer. TEST MODES Format AT [cmds] S16? [cmds] Example: ATS16? Default: Read only Range: 0-125 Unit: Bit-mapped Description: Controls loopback tests, analog, digital, remote digital, and self tests. Bit Value Function 0 » 0 Local analog loopback not in progress. 1 Local analog loopback in progress. 1 0 Not used. 2 » 0 Local digital loopback not in progress. 1 Local digital loopback in progress. 3 » 0 Modem not in remote digital loopback. 1 Remote digital loopback in progress. 4 » 0 Remote digital loopback not requested. 1 Remote digital loopback requested. 5 » 0 Remote digital loopback w/ self-test not in progress. 1 Remote digital loopback w/ self-test in progress. 6 » 0 Local analog loopback w/ self-test not in progress. 1 Local analog loopback w/ self-test in progress.