0049-1800-xxx 326X V.34, V.34-SDC and V.32bis Series Modem – USER’S GUIDE 02/23/2010
Rev. A
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205
CHAPTER SIX – Troubleshooting Guide
Introduction
Most problems encountered when installing and using the modem can be corrected if you carefully read and
follow the instructions in the documentation. Use the Troubleshooting section of this chapter to analyze and
correct problems before calling Raymar-Telenetics’ Customer Support Center.
The section after the troubleshooting guide tells you how to initiate and terminate tests. Chapter 4 of the 326X
Series Modem Reference Guide contains detailed information on these tests.
Assumptions:
•
The modem is set to factory default configurations.
•
The modem has been installed with all initial cabling complete.
TROUBLESHOOTING
This section discusses:
-
Dial operation problems
-
Synchronous data compression (SDC) mode problems
-
Leased line operation problems
The First Step
First, confirm that your data communications application is set up correctly:
•
Confirm that your communications software is configured for the correct serial port to which your
modem is connected (i.e., COMM1, COMM2, etc.)
•
Confirm the COM port is configured for the data rate, work length, and parity your configuration
requires
•
Confirm that the cable connecting the modem to the host equipment is a DCE-to-DTE straight-
through cable
•
Confirm the electrical interface of your modem (V.35 or RS-232) and ensure that you have the
correct cable installed
Troubleshooting Steps
Use the table that follows to match your problem with a diagnosis and solution.
Содержание 326X V.34 Series
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