LINKSYS PCMCIA LAN MODEM CARD Card Type Fax, Modem (synchronous/asynchronous), Network Interface Card Chip Set AT&T I/O Options Ethernet 10BaseT connector, NIC Type Ethernet Network Transfer Rate 10Mbps Maximum Modem Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA Type II Fax Class Class I Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.23, V.34 Fax Modulation Protocol V.17 Error Correction/Compression MNP4-5, V.42, V.42bis Topology Star Wiring Type Unshielded twisted pair Boot ROM Not available V2109 Proprietary AT Command Set COMMUNICATION PROTOCOLS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the communication protocol for data calls Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. Command Protocol B0 ITU-T V.22 at 1200bps or V.21 at 300 B1 Bell 212A at 1200bps or Bell 103 at 300 B2 V.23 selection, in originate mode and receive at 1200bps, transmit at 75bps; in answer mode, receive at 75bps and transmit at 1200bps B3 V.23 selection, in originate mode receive at 75bps and transmit at 1200bps; in answer mode receive at 1200bps and transmit at 75bps COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Selects communications mode Command Mode &M0 Asynchronous mode &M1 Synchronous connect mode and asynchronous off-line command mode. &M2 Synchronous connect mode and asynchronous off-line command mode and set DTR high. &M3 Synchronous connect mode, manual dial with talk/data switching &M4 Hayes Auto -Synchronous mode CONFIGURATION PROFILES Type: Immediate Format: AT [cmds] &Vn [cmds] Description: Displays active, stored configuration profiles, and stored telephone numbers Command Function &V0 Displays for profile 0 &V1 Displays for profile 1 DCE 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 300bps S37=5 1200bps S37=6 2400bps S37=7 4800bps S37=8 7200bps S37=9 9600bps S37=10 12.0Kbps S37=11 14.4Kbps S37=12 16.8Kbps S37=13 19.2Kbps S37=14 21.6Kbps S37=15 24.0Kbps S37=16 26.4Kbps S37=17 28.8Kbps DTE Rate Type: Register Format AT [cmds] S62=n [cmds] Description: Sets the DTE rate Command Function S62=0 300bps S62=1 600bps S62=2 1200bps S62=3 2400bps S62=4 4800bps S62=5 7200bps S62=6 9600bps S62=7 12.0Kbps S62=8 14.4Kbps S62=9 16.8Kbps S62=10 19.2Kbps S62=11 21.6Kbps S62=12 24.0Kbps S62=13 26.4Kbps S62=14 28.8Kbps S62=15 38.4Kbps S62=16 57.6Kbps S62=17 115.2Kbps Dte data transfer speed Type: Register Format AT [cmds] S72=n [cmds] Description: Sets the DTE rate during data transfer Command Function S72=0 Last speed in autobaud S72=1 300bps S72=2 600bps S72=3 1200bps S72=4 2400bps S72=5 4800bps S72=6 7200bps S72=7 9600bps S72=8 12.0Kbps S72=9 14.4Kbps S72=10 16.8Kbps S72=11 19.2Kbps S72=12 21.6Kbps S72=13 24.0Kbps S72=14 26.4Kbps S72=15 28.8Kbps S72=16 38.4Kbps S72=17 57.6Kbps S72=18 115.2Kbps FLOW CONTROL Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Enables flow control options Command Function &K0 Flow control disabled &K1 Reserved &K2 Reserved &K3 RTS/CTS flow control enabled &K4 XON/XOFF flow control enabled &K5 Error 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. INACTIVITY TIMER Type: Register Format AT [cmds] S30=n [cmds] Default: 0 Range: 0-90 Unit: 1 minutes Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. Note: S30=0 disables the timer and allows indefinite inactivity. INACTIVITY TIMER Type: Configuration Format AT [cmds] \Tn [cmds] Default: Unidentified Range: 0-90 Unit: 1 minute Description: Sets the time the modem waits before modem chip set disconnects if there is no data activity NO CARRIER TIME-OUT Type: Register Format AT [cmds] S7=n [cmds] Default: 60 Range: 1-255 Unit: 1 second Description: Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls. Note: W dial modifier also uses S7 to set the maximum time to wait. 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 if line quality is poor, hangs up if condition lasts more than the value of register S7 &B2 No retrain, no hang-up