Honeywell CIU 888 Configuration Manual page 178

NOTE: a) Entis pro automatically issues switch over if CIU A had taken value 1-99 in
NOTE: CIU A will restart and take up Passive role with Hot standby value 100
Part No.: 4417584_Rev12
Updating CIU 888 Site configuration
hot standby window on step 5. Now CIU A will become active and take value as
100 and CIU B will become passive and take value as 1-99
b) If both the CIUs (A and B) have value as 100, then user has to make CIU A
as Active by issuing a switch over command.
6. Make configuration changes in Service Tool/Ensite Pro revert the
configuration. Go to step 3.
7. Configuration update works as intended. Login to Active CIU (CIU B)
web interface and enable configuration sync. This will restart the
partner CIU A
8. Issue a switch over in Entis Pro. CIU A takes up Active role and CIU
B will take up Passive role.
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Configuration Manual
CIU 888 6 - 7