Huawei BBU3900 - Page 20

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Installing the BBU in the TMC
Installing the BBU Cables
c
Procedure for installing the
TMC alarm cable:
APMI panel
Door status
sensor
b. Connect the two bare
terminals X1.4 (blue) and
X1.5 (white) to the alarm
wiring terminals of the
door status sensor.
c. Connect the two bare
terminals X1.1 (white)
and X1.2 (orange) to the
OUT1+ and OUT1-
alarm wiring terminals on
the APMI.
d. Connect the two bare
terminals X1.3 (white)
and X1.6 (green) to the
alarm wiring terminals of
the DCDU.
a. Fix the RJ45 connector
at one end of the alarm
cable to the EXT_ALM1
port on the BBU.
The white and green bare wire terminals are not distinguished from different wiring terminals.