System Manual 7. Troubleshooting
76.7300FP11/2, Rev A 8/09 Page 2-115
After-Sale Technical Support
7.06 For after-sale technical support, call Tellabs Technical Support Center:
USA, Canada, Caribbean: +1.800.443.5555 (24-hour availability)
+1.630.798.7070
Note: The Tellabs Technical Support Center line is for after-sale technical
support only. It is not for presale information.
7.07 Refer to Module Repair and Return, page 2-116 for procedures for
returning a faulty module to Tellabs.
Additional Information
7.08 For additional information, refer to the following system documentation:
• Tellabs 7300 Metro Ethernet Switching Series Craft Station User’s
Guide
• Tellabs 7300 Metro Ethernet Switching Series CLI Command
Reference Manual
• Tellabs 7300 Metro Ethernet Switching Series CLI Operations
• Tellabs 7300 Metro Ethernet Switching Series SNMP/MIB Operations
A module overheats.
(Tellabs 7345 Switch only)
__ 1. Check the active conditions for significant events
related to the Fan Tray.
__ 2. Empty slots must have filler panels installed to properly
maintain airflow and emissions.
__ 3. Check the fan filter for obstructions and dirt.
__ 4. Verify that nothing is blocking the airflow. The system
intakes air from left to right. Refer to Cooling
Requirements, page 2-42 for more information.
PSU in non-redundant power supply
configuration generates an alarm.
(Tellabs 7345 Switch only)
__ 1. Verify that both feeds are connected to a power source.
If not, connect them.
PSU in redundant power supply
configuration generates an alarm.
Tellabs 7345 Switch only)
__ 1. Connect the UB1 connector to a power source.
Table 7.1 Troubleshooting Actions Based On Symptoms (Continued)
Symptom Recommended Recovery Steps
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