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Section Six - Troubleshooting
This section describes some of the common problems you may encounter while using your modem. If you can not resolve your difficulty after reading this chapter, contact your dealer or vendor for assistance.
Modem does not respond to commands.
1.Make sure the modem is not configured with a conflicting COM port and IRQ setting (see Section 2.4). Your modem can not be configured as COM1 (default) if another device in your system is also configured as COM1. Similarly, IRQ settings may not overlap.
2.Make sure the communication software is configured to “talk” to the modem on the correct COM port and IRQ setting (same COM port and IRQ setting as the modem). Your communication software must know which address your modem is using in the system in order to pass data to it. Similarly, IRQ settings must be set correctly to receive data from the modem.
3.Make sure that your modem is initialized correctly. Your modem may have been initialized to not display responses. You may
4.Make sure the baud rate setting in your software is set to 57600, 38400, 19200, 14400, 9600, 2400, 1200, or 300 bps. An incorrect baud rate prevents the modem from operating properly.
Modem does not dial.
1.Make sure the modem is connected to a working phone line. Replace the modem with a working phone to ensure that the phone line is working.
2.Make sure the phone line is connected to the jack marked “LINE.” Incorrect connection prevents the modem from operating properly. Refer to Section 2.2 for modem connec- tion instructions.
Modem dials but does not connect.
1.Make sure the IRQ setting is identical on both the modem AND the software. Modem and software must be configured
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