Bbu Power Cable(Omb); Figure 4-4 Appearance Of Power Cable(Ac Omb); Table 4-3 Pin Assignment For The Wires Of The +24 V Power Cable - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description

Table 4-3 Pin assignment for the wires of the +24 V power cable

Pin on the 3V3 Connector Color
A1
A2
A3

4.4 BBU Power cable(OMB)

The BBU power cable in the OMB is used to supply -48 V DC power to the BBU and HEUA.
The DC OMB and AC OMB require different power cables between the BBU and the HEUA.
Appearance
Figure 4-4

Figure 4-4 Appearance of power cable(AC OMB)

(1) 3V3 power connector for the BBU
Figure 4-5
Issue 11 (2010-11-10)
Red
-
Black
shows the appearance of power cable(AC OMB).
shows the appearance of power cable(DC OMB).
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Copyright © Huawei Technologies Co., Ltd.
(2) H4 connector (3) 3V3 power connector for the HEUA
4 BBU3900 Cables
Description
+24 V
-
GND
4-7