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FAQ- Inner power connection to feed into the cabinet 1 OSN8800, 1 OSN688, 2 CRPC

Publication Date:  2012-07-25 Views:  35 Downloads:  0
Issue Description
In one project: we need to install in one cabinet N63B Type ETSI Rack(2200*600*300mm BOM code: 02113021): 1 OSN8800 + 1 OSN6800 + 2 CRPC. As the power distribution box has 8 breakers (4 actives and 4 stand by). 2 for OSN8800, 1 for OSN6800 and 1 for one CRPC module, so how can we do to power on the second CRPC?


Alarm Information
Null

Handling Process
cabinet N63B Type ETSI Rack(2200*600*300mm BOM code: 02113021) has only 8 breaker (4 actives and 4 stand by). so to install into the rack:
- 1OSN8800 (use 2 active and 2 stand by breakers)
-1OSN6800 (use 1 active and 1 stand by breaker)
-1 CRPC (use 1 active and 1 stand by breaker)
-1 CRPC (use 1 active and 1 stand by breaker)

-So we need 5 breakers and has only 4. After ask to GTAC (and they asked to HQ), they conclude that since CRPC does not have a high power consumption (121.0W at most) we can feed two CRPC using the same breaker. (check attached image)
The power accesories are:



Root Cause
In one cabinet N63B Type ETSI Rack(2200*600*300mm BOM code: 02113021): 1 OSN8800 + 1 OSN6800 + 2 CRPC.Since the power distribution box has 8 breakers (4 actives and 4 stand by). 2 for OSN8800, 1 for OSN6800 and 1 for one CRPC module, one CRPC module does not have an available breaker to be powered on.
Suggestions
-We can use the same breaker of power box to feed 2 CRPC modules.
-We always must check the inner conection of power to avoid any risk in implementations.
-If the cabinet contains 1 OSN6800 and 2 CRPC, it's better to conect these two CRPC module to the same breaker in order to leave free space and breaker for a OSN6800 expansion.

END