Installing The Input Power Cable; Figure 15-28 Installing The Power Cable For The Bbu - Huawei DBS3900 Installation Manual
Indoor centralized rack (icr) dual-mode base station
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Also See for DBS3900:
- Installation manual (556 pages) ,
- Product description (70 pages) ,
- Hardware description (32 pages)
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DBS3900(ICR)
Installation Guide
Step 2 Install the power cable for the BBU, as shown in
1.
2.
Step 3 Route cables by referring to
Step 4 Use cable ties to bind cables.
Step 5 Label the installed cables by referring to Attaching an L-Shaped Label.
----End
15.7 Installing the Input Power Cable
This section describes the installation of the input power cable.
Context
You must select the corresponding procedure according to the types of input power cable, which
are -48 V DC, +24 V DC, and 220 V AC input power cables.
The cross-section area of the input power cable is as follows:
l
l
l
l
Issue 01 (2011-03-30)
NOTE
The 3V3 power connector is added to the power cable for the BBU before delivery, and you must add OT
terminals at the other end.
Link the 3V3 power connector at one end of the power cable for the BBU to the PWR port
on the UPEU in the BBU, and then tighten the screws on the connector until the tightening
torque reaches 0.25 N·m.
Link the OT terminals on the blue and black wires at the other end to the wiring terminals
labeled NEG(-) and RTN(+) near the LOAD6 label on the DCDU-03B respectively.
Figure 15-28 Installing the power cable for the BBU
2
16 mm
for -48 V DC.
2
25 mm
for +24 V DC.
2
6 mm
for 220 V AC three-phase.
2
2.5 mm
for 220 V AC single-phase.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure
15.1 Cabling
Requirements.
15 Installing Cables
15-28.
15-51
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