User Manual Chapter 8

8-2 Chapter 8: Maintenance
Replacing a CBS
Use this procedure to replace a suspected malfunctioning CBS with
another one.
1. Stop CBS communication using the DNCBSMTEST > 2. CBS Test
> 6. Disable Communications option.
2. Power off all the CBSs in the system by powering off the power
supplies.
3. After noting its switch positions, disconnect and remove the
malfunctioning CBS.
4. Set the switches in the new CBS to match the switches in the CBS
you are replacing.
5. Install the new CBS and reconnect the cables where they were
connected before.
6. Power up all CBSs in the system.
7. Re-start CBS communication using the DNCBSMTEST
DNCBSMTEST > 2. CBS Test > 3. Enable Normal Mode
Communications option.
8. Confirm that errors related to the replaced CBS are no longer being
logged.