Huawei OptiX RTN 980 Quick Installation Manual page 29

Checking the Power-On Status
a
Checking the Power-On Status
NOTE
This part describes only the process for checking the pow er-on status of the AC pow er equipment. When checking the pow er-on
status of the DC pow er equipment, refer to the process for checking the pow er-on status of the AC pow er equipment.
Start
Pow er on the APM30H.
Are the LEDs
on the
PSU/PMU
Normal?
Yes
Is the voltage
of the EPS
output
Pow er
normal？
Yes
Are the LEDs
on the CMUA
Normal?
Yes
End
b
Closing the Door of the Cabinet
Rectify the fault.
No
No
No
No
Lock
Locking piece
27
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 pow er to the EPS:
-43.2 V DC to -57 V DC
Normal statuses of the indicators on the CMUA:
• RUN indicator：Blinking
• ALM indicator：OFF
In the case of -48 V DC pow er supply
Normal voltage range of the DC output pow er to the EPS:
-43.2 V DC to -57 V DC
Normal statuses of the indicators on the CMUA:
• RUN indicator：Blinking
• ALM indicator：OFF
Tighten the screw to fix the locking piece to
prevent the lock from rusting.