Huawei DBS3900 Installation Manual page 360

DBS3900 (Ver.B)
Installation Guide
Figure 10-21 Installing a BBU power cable
Step 2 Route the cable by referring to
the cable.
Step 3 Label the installed cables. For details, see Attaching an L-Shaped Label.
----End
Installing an RRU Power Cable
An RRU power cable feeds -48 V DC power into an RRU from a power equipment (AC/DC).
Context
Table 10-4
supplies power.
Table 10-4 Specifications of RRU power cables
Cable
RRU power
cable
Issue 06 (2011-09-15)
10.4.1 Cabling
lists the specifications of an RRU power cable when a power equipment (AC/DC)
One End
RTN(+) OT terminal [M4, 3.3
wire 2
mm
NEG(-) OT terminal [M4, 3.3
wire 2
mm
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10 Outdoor Scenario with AC Power Supply (BBU Installed
Requirements, and then use cable ties to bind
The Other End
OT terminal [M4, 3.3
(12 AWG)] mm
OT terminal [M4, 3.3
(12 AWG)] mm
Descriptio
n
North
2 American
(12 AWG)]
standard
Black
North
2 American
(12 AWG)]
standard
Blue
in an OMB)
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