Troubleshooting - Paradyne Jetstream CPX-1000 Installation And Operation Manual

February 2003
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This chapter describes CPX troubleshooting procedures.
Before attempting to troubleshoot the CPX-1000, you should have
a thorough understanding of the theory of operation of the CPX
and its related management utilities.
Topics provided in this section:
General Troubleshooting Guidelines
An overview of
Using the JetCraft Alarm Window
failed modules.
Troubleshooting the CPX Shelf
sequence of systems to check. The tables on the following
pages provide specific LED, alarm, and status indicators
which will help you troubleshoot the problem.
Power System Troubleshooting on page 4-12
power supply and CPX power related circuits.
Loopbacks on page 4-14
When the local access network fails, use one of two
troubleshooting levels to isolate the source of the problem:
System-level troubleshooting—includes alarms,
indicators, and messages to help isolate the problem to the
CPX, cables, ports, or other equipment.
Component-level troubleshooting—includes
procedures and tests to isolate the problem to a
configuration or provisioning error, or a failed component.
H A P T

Troubleshooting

on page 4-2.
System Trouble Shooting
on page
on page
for T1 ports
4
E R
on page 4-3
4-3 to identify
4-3 lists the
covers the
4-1