Chapter 3 Solving Common Problems - Zoom MAC Quick Start Manual

Chapter 3
If your modem is not working, please read this chapter
and the communications software documentation care-
fully.
For installation problems, see Chapter 1 Installation.
This chapter covers four categories: General trouble-
shooting, echo troubleshooting, dial troubleshooting, and
connection troubleshooting.
For help with this problem...
The software cannot find the modem and the mo-
dem does not respond to AT commands.
The modem takes too long to hang up at the end of
a telephone call.
The modem fails to execute an AT command line.
No response appears after executing a command.
You receive an ERROR response.
The modem goes off-hook and seizes the telephone
line.
The modem does not auto-answer.
You encounter other communications problems.
You are uncertain about the DTR and DCD settings
referred to in your software manual.
The modem speaker volume is too high or too low.
Each character you type appears twice or no char-
acters appear at all during data mode.
The modem does not automatically dial a call when
you send a Dial command line.
The modem can connect to some modems, but not to
others.
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Solving Common Problems
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Quick Start and Reference Guide
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