Figure 4-2 Bbu Power Cable (1); Figure 4-3 Bbu Power Cable (2); Table 4-2 Pin Assignment For The Wires Of The -48 V Power Cable - Huawei BBU3900 Hardware Description

4 BBU3900 Cables

Figure 4-2 BBU power cable (1)

(1) 3V3 connector
When the power supply device is the EPS, the BBU power cable has a 3V3 connector at one
end and an easy power receptacle (pressfit type) connector at the other end.
the BBU power cable.

Figure 4-3 BBU power cable (2)

(1) Easy power receptacle (pressfit type) connector
Pin Assignment
The power cable is a 2-wire cable.
wires of the power cable.

Table 4-2 Pin assignment for the wires of the -48 V power cable

Pin on the 3V3
Connector
A1
A2
A3
4-6
NOTE
There are two wires in the -48 V power cable with a blue wire and a black wire. The +24 V power cable
and the -48 V power cable have the same exterior, but they differ in color. The +24 V power cable has a
red wire and a black wire.
Color
Blue
-
Black
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2
(2) OT terminal (6 mm
Table 4-2 and Table 4-3
Hardware Description
, M4)
Figure 4-3
(2) 3V3 power connector
describe the pin assignment for the
Description
-48 V
-
GND
Issue 11 (2010-11-10)
BBU3900
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