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Huawei OptiX RTN 900 Quick Installation Manual page 39

Radio transmission system

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Checking the Power-On Status
a
Checking the Power-On Status
NOTE
This part describes only the process for checking the power-on status of the AC power equipment. When checking the power-on
status of the DC power equipment, refer to the process for checking the power-on status of the AC power equipment.
Start
Power on the APM30H.
Are the LEDs
on the
PSU/PMU
Normal?
Yes
Is the voltage
of the EPU
output
Power
normal?
Yes
Are the LEDs
on the CCUB
Normal?
Yes
End
b
Closing the Door of the Cabinet
Rectify the fault.
No
No
No
No
Lock
Locking piece
37
In the case of AC power supply
Normal statuses of the indicators on the PMU:
RUN indicator: Blinking
ALM indicator: OFF
Normal statuses of the indicators on the PSU:
Power indicator: Steady green
Protection Indicator: OFF
Fault indicator: OFF
Normal voltage range of the DC output power to the EPU:
-43.2 V DC to -57 V DC
Normal statuses of the indicators on the CCUB:
RUN indicator: Blinking
ALM indicator: OFF
In the case of -48 V DC power supply
Normal voltage range of the DC output power to the EPU:
-43.2 V DC to -57 V DC
Normal statuses of the indicators on the CCUB:
RUN indicator: Blinking
ALM indicator: OFF
Tighten the screw to fix the locking piece to
prevent the lock from rusting.

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