Lenovo ThinkPad T420 (English) User Guide - Page 79
Connect 75tx/1200rx, No Dialtone
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Table 4. Modem result codes (continued) 4 ERROR 5 CONNECT 1200 6 NO DIALTONE 7 BUSY 8 NO ANSWER 9 CONNECT 600 10 CONNECT 2400 11 CONNECT 4800 12 CONNECT 9600 13 CONNECT 7200 14 CONNECT 12000 15 CONNECT 14400 16 CONNECT 19200 17 CONNECT 38400 18 CONNECT 57600 19 CONNECT 115200 22 CONNECT 75TX/1200RX Sent during an attempt to execute a command line if any of the following conditions occur: 1. The command line contains a syntax error. 2. The modem cannot execute a command contained in the command line, i.e., the command does not exist or is not supported. 3. A command parameter within the command line is outside the permitted range. For X0, X1, X2, and X3, this message is sent instead of DELAYED and BLACKLISTED. The modem has connected to the line and either the line speed is 1200 bps and DCE speed reporting is enabled, or the DTE speed is 1200 bps and DTE speed reporting is enabled. For X2 and X4, the modem has been instructed to wait for dial tone during dialing but none is received. When cellular phone interface is selected, indicates that cellular service is not currently available. For X3 and X4, if busy tone detection is enforced, the busy (engaged) signal is detected on the line when the modem is attempting to originate a call. The modem is attempting to originate a call if a continuous ringback signal is detected on the line until the expiration of the timer S7. The modem has connected to the line, the DTE speed is 600 bps, and DTE speed reporting is enabled. The modem has connected to the line and either the line speed is 2400 bps and DCE speed reporting is enabled, or the DTE speed is 2400 bps and DTE speed reporting is enabled. The modem has connected to the line and either the line speed is 4800 bps and DCE speed reporting is enabled, or the DTE speed is 4800 bps and DTE speed reporting is enabled. The modem has connected to the line and either the line speed is 9600 bps and DCE speed reporting is enabled, or the DTE speed is 9600 bps and DTE speed reporting is enabled. The modem has connected to the line at 7200 bps and DCE speed reporting is enabled. The modem has connected to the line at 12000 bps and DCE speed reporting is enabled. The modem has connected to the line at 14400 bps and DCE speed reporting is enabled. The modem has connected to the line and either the line speed is 19200 bps and DCE speed reporting is enabled, or the DTE speed is 19200 bps and DTE speed reporting is enabled. The modem has connected to the line, the DTE speed is 38400 bps, and DTE speed reporting is enabled. The modem has connected to the line, the DTE speed is 57600 bps, and DTE speed reporting is enabled. The modem has connected to the line, the DTE speed is 115200 bps, and DTE speed reporting is enabled. The modem has established a V.23 originate connection and line speed reporting is enabled. Chapter 2. Using your computer 61