3
T
ROUBLESHOOTING
This chapter explains how to troubleshoot the Business Modem. This
chapter is divided into these sections:
■ Problems that occur before connecting.
■ Problems that occur after connecting.
■ What to do if you still have problems.
Problems That
Occur Before
Connecting
No response to AT For Windows users, make sure that you set the correct COM port and IRQ
in your communications software and, if applicable, in Windows' Control
Panel - Ports.
For Macintosh users, make sure that you set the correct serial port
(modem port or printer port) and that AppleTalk is disabled.
■ Make sure that your communications software is in Terminal mode.
■ Be sure that your communications software is set to the correct bit
rate and word length (7 bits with or without a parity bit, or 8 bits and
no parity).
Word Length Parity (1 Bit) Stop Bits
7 Even, Odd Mark, Space 1
7 None 2
8 None 1
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