2. See Release Notes for Avaya Ethernet Routing Switch 4000 Series, NN47205-400
for information about software installation.
Replacing the power cord
About this task
The power cord should be replaced to ensure the power problem is not with the cord itself.
Ensure you use the same cord model as provided by Avaya. Some power cords have a fuse
built into them. Ensure you replace a fused cord with the same cord model that has the same
power rating.
Procedure
1. Remove the power cord from the unit.
2. Replace the power cord with another power cord of the same type.
Returning the unit for repair
About this task
Return a unit to Avaya for repair.
Contact Avaya for return instructions and RMA information.
Check cables
Confirm the stacking cables are correctly connected. Review the Installing Avaya Ethernet
Routing Switch 4000 Series, NN47205-300 stacking section for cable requirements.
Task flow: Check cables
About this task
The following task flow assists you to confirm the stacking cables on the Avaya Ethernet
Routing Switch 4000 Series device are installed correctly.
General troubleshooting of hardware
88 Troubleshooting Avaya ERS 4000 Series April 2014
Comments? infodev@avaya.com
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