Allen-Bradley 1756-CNB User Manual page 134

134 Update Modules and Redundant Systems
Action
8. Reset the secondary CNB modules.
9. Synchronize the secondary chassis.
The chassis are synchronized.
10. Initiate a switchover.
11. Replace the CNB modules in the new
secondary chassis.
Publication 1756-UM523F-EN-P - December 2006
Details
A. Cycle power to the secondary chassis.
B. On the Synchronization Status tab of the configuration tool, verify that the modules
show full compatibility.
A. Click Synchronization.
B. Click Synchronize Secondary and then Yes.
C. Wait for the chassis to synchronize.
Click Initiate Switchover and Yes.
Repeat steps 6-8 for the CNB modules in the new secondary chassis.