Power Cable Of The Bts3900E; Figure 5-7 Dc Power Cable Of The Bts3900E (North American Standard) - Huawei BTS3900E GSM User Manual

5 BTS3900E Hardware
Pin Assignment
None.

5.2.3 Power Cable of the BTS3900E

The power cables of the BTS3900E are categorized as the DC power cable and AC power cable.
DC Power Cable of the BTS3900E
The BTS3900E has two types of DC power cables: the external input power cable and the power
cable between cascaded BTS3900Es.
The two types of power cables have the same appearance. The functions of the two types of
power cables are as follows:
l
l
Appearance
The DC power cable of the BTS3900E has OT terminals at one end and bare wires at the other
end, as shown in
the external power device.

Figure 5-7 DC power cable of the BTS3900E (North American standard)

Pin Assignment
The DC power cable of the BTS3900E is a 2-wire cable.
pin assignment for the wires of the DC power cables used in different regions.
5-12
The external input power cable is used to lead -48 V DC power from the external equipment
to the BTS3900E to supply power to the BTS3900E.
The power cable between two cascaded BTS3900Es is used to lead power from one
BTS3900E to the other.
Figure 5-7. Appropriate terminals need to be added to the bare end based on
NOTE
The end that is connected to the BTS3900E is the M4 OT terminal, and the other end needs to be added
with OT terminals of a proper size based on the external power device on site.
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BTS3900E GSM
Table 5-8 and Table 5-9
Issue 01 (2010-01-15)
User Guide
describe the