Placing a new unit
About this task
Place the new unit in the stack where the failed unit was connected.
Place the device in the stack in accordance with procedures outlined in Installing Avaya
Ethernet Routing Switch 4000 Series, NN47205-300.
Connecting stacking cables
About this task
Reconnect the stacking cables to correctly stack the device.
Procedure
1. Review the stacking section in Installing Avaya Ethernet Routing Switch 4000
Series, NN47205-300 for cabling details.
2. Connect the cables in accordance with physical stack requirements.
Powering on the unit
About this task
Energize the unit after it is connected and ready to integrate.
Prerequisite There is no requirement to reset the entire stack. The single device being replaced
is the only device that you must power on after integration to the stack.
Procedure
1. Connect the power to the unit.
2. Allow time for the new unit to join the stack and for the configuration of the failed
unit to be replicated on the new unit.
3. Confirm that the new unit has reset itself. This confirms that replication has
completed.
Replace a unit in the stack
Troubleshooting Avaya ERS 4000 Series April 2014 101