Allen-Bradley 1756-CNB User Manual page 145

Action
14. Initiate a Locked Switchover.
The other chassis is now the
primary chassis.
15. Update the other redundant chassis.
16. Synchronize the chassis.
Details
A. Click Initiate Locked Switchover and Yes.
B. Wait for the system to switchover. A locked switchover takes about as long as a
normal switchover.
Use the ControlFLASH firmware update tool to update the rest of the modules in the new
secondary chassis. You have already updated the SRM module in this chassis.
A. Go to the SRM configuration tool for the primary chassis.
B. On the Configuration tab, change the Auto-Synchronization Option to Always.
C. Choose Apply and Yes.
The chassis synchronize.
D. Change the Date and Time in the SRM module.
E. Choose OK.
Update Modules and Redundant Systems
Publication 1756-UM523F-EN-P - December 2006
145