Product guide

Chapter 6: Diagnostics/Maintenance 6-3
Diagnostics
Common Symptoms/Problems
Below is a list of common symptoms and problems you may encounter. Use this list as a guideline;
if your problem is not listed, use the diagnostic procedure explained in the beginning of this chapter.
Table 6-1 Common Symptoms/Problems
Common Symptom/Problem Description/Solution
Unit will not turn on. Check AC power source.
Communication between Tenor BX and
the PBX or PSTN cannot be established.
There are several reasons why communication may
not be successful. A few of the most common are
listed below.
Verify correct cables are installed in the BRI ports.
See Chapter 3: Installation.
Unit configuration may be wrong. Examine the con-
figuration parameters via Configuration Manager or
CLI.
Network issues may cause a number of problems.
Contact the Central Office to perform test procedures.
Communication with Command Line
Interface (CLI) cannot be established
using Telnet.
The IP address of the Tenor BX unit may be incorrect.
Check Ethernet Cable.
Verify the IP address of Tenor BX. Check the Default
Gateway Subnet Mask. Check Ethernet connection via
RS-232 connection. See Chapter 3: Installation
Verify network connectivity using ping from another
network host. See Chapter 4: Configuration/Monitor-
ing.
ALERT LED is on and not flashing. One or more internal diagnostic tests have failed. Con-
tact customer service. LED will stay on for a minute
or so when the unit is powered up.
Communication with Ethernet Hub, or
switch cannot be established.
Verify RJ-45 cable is firmly installed in the Ethernet
port.
Check MDI/MDIX configuration. Check duplex set-
ting on the switch in which they were connected and
the speed of 10MB or 100MB.
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