3Com 3C882 Network Router User Manual


 
7
TROUBLESHOOTING
This chapter explains how to isolate and solve problems
encountered with the 3C882 ISDN modem. Problems may
stem from incorrect option settings or improper installation.
This chapter covers the following main topics:
Checking the basics
Monitoring the LEDs
Evaluating symptoms and solutions
Using on-line help
Finding more information
Contacting technical support
Downloading Firmware
There are no user-serviceable parts inside your 3C882 ISDN
modem. Unauthorized opening of the unit will void the
warranty.
Checking the Basics
Before you monitor the LEDs or refer to the section on
symptoms and solutions, check the following:
Verify that the cables are not physically damaged.
If damage is apparent, replace the cable.
Verify that the power cord is connected to the
3C882 ISDN modem and an electrical outlet.