Huawei BTS3900A, Быстрая установка

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Checking the Power-on Sta
z This chapter describes only the power-on check of the equip
Start
z This takes the power-on check procedure in the AC power su
as an example. For details about the procedure in the DC powe
scenario, see the following procedure.
z Ensure that the external power supply is normal before powe
all the MCBs in the cabinet are set to OFF.
base station must be powered on in seven days after installatio
Are the
LEDs on the PSU/PMU
normal?
Power on the BTS3900A Clear the fault
No
Yes
Is the voltage
of the EPU DC output
power normal?
Are the
LEDs on the CMUE
No
No
Yes
Yes
normal?
Are the
LEDs on the BBU
normal?
No
Yes
Yes
Power on DCDU Clear the fault
Is the voltage of
the DCDU DC output power
normal?
Yes
No
Are the
LEDs on the CMUE (RFC)
normal?
Are the
LEDs on the RFU
Yes
No
No
DCD
1
normal?
Yes
End
te
The normal status of the
indicators on the PMU:
z RUN indicator: Blinking
pment. The
z
ALM indicator: OFF
The normal status of the
indicators on the PSU:
z Power indicator: Steady green
z Protection indicator: OFF
z Fault indicator: OFF
The normal voltage range of the
output power to the EPUis from:
-43.2 V DC to -57 V DC
The normal status of the
upply scenario
er supply
er on, and that
on.
The normal status of the
indicators on the CMUE:
z RUN indicator: Blinking
z ALM indicator: OFF
The normal status of the
indicators on the boards of the
BBU:
Indicators on the GTMU and
WMPT
z RUN indicator: Blinkingg
z ALM indicator
：
ON for 1s and
then OFF
Indicators on the UPEU
RUN indicator: ON
Indicators on the FAN
STATE indicator: Blinking
The normal voltage range of the
DC output power to the DCDU-01
is from:
38 4 V DC t 57 V DC -38.4 V DC to -57 V DC
The normal status of the
indicators on the RFU:
z RUN indicator: Blinking
z ALM indicator: ON for 1s and then
OFF
z ACT indicator: ON
After the power-on check is
complete, close the cover of
the case, and the cabinet
door.
Lock PSU
PMU
CMUE
BBU
Tighten the
screw to fix
the locking
Locking piece
CMUE
(RFC)
BBU
DU-11A
6
g
piece to
prevent the
lock from
rusting.
RFU