System Manual 7. Troubleshooting
76.7300FP11/2, Rev A 8/09 Page 2-113
Performance Symptoms
7.03 When you encounter a situation in which the Tellabs 7300 NE does not
perform as you expect, identify symptoms that might reveal the cause.
7.04 The following areas provide system information:
• The state of module LEDs.
• The events recorded in the response to the active conditions CLI
command.
Symptoms and Recommended Actions
7.05 Refer to Table 7.1, page 2-113 and locate the symptom that applies to your
situation. Then follow the recommended recovery steps.
Caution:
Before troubleshooting a Tellabs 7300 NE, follow your company-prescribed
procedures for obtaining technical assistance, or call Tellabs Customer Service
at 1.800.443.5555 in North America.
Table 7.1 Troubleshooting Actions Based On Symptoms
Symptom Recommended Recovery Steps
Power LED on one or both Power
modules is not lit.
__ 1. Verify that electrical power is present on the cables that
supply power to the Power modules. If necessary,
replace the cable or connect the cables to a power
source that meets the platform requirements.
__ 2. If electrical power is reaching the Power modules, refer
to Replacing a PSU Module, page 2-95 and replace the
Power module that has the Power LED that is not lit.
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