Huawei DBS3900 Installation Manual page 224
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Also See for DBS3900:
- Installation manual (303 pages) ,
- Product description (70 pages) ,
- Hardware description (32 pages)
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DBS3900 (Ver.B)
Installation Guide
No.
2
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Cable Installation Checklist
Table 7-11
Issue 06 (2011-09-15)
Item
The PGND cable is securely connected and the AC lead-in cable and cables in the
cabinet are correctly connected according to the electrical design of the power
system. The screws are tightened. In addition, the inputs or outputs are not short-
circuited.
The redundant part of the power cable or PGND cable is stripped off rather than
coiled.
The terminals at both ends of the power cable or PGND cable are securely soldered
or crimped.
The bare wires and the terminal handles at the wiring terminals are coated with heat-
shrinkable tubes.
The flat washer and the spring washer are well mounted on all OT terminals.
The exterior of the battery is intact without any scratch, dent, or crack.
The shell of the battery is clean without any leakage trace.
The wiring post on the battery stands properly without any damage, and the post is
not covered with any acidic substances.
The pressure relief valve of the battery is not transformed, and no liquid leaks.
The power cables for the batteries are connected to the positive and negative
polarities correctly.
The voltage of the battery is normal.
l The voltage of a 2 V battery cell ranges from 1.8 V to 2.35 V.
l The voltage of a 12 V battery cell ranges from 10.8 V to 14.1 V.
l The total voltage of the batteries ranges from 43.2 V to 56.4 V.
The fans work properly.
l The fan in the IBBS200D rotates in a low speed in a normal situation.
l The outer air circulation fan in the IBBS200T stops in a normal situation (with
the ambient temperature of lower than 30°C), and the inner air circulation fan
rotates in a high speed.
l The outer air circulation fan in the APM30H stops in a normal situation (with
the ambient temperature of lower than 35°C), and the inner air circulation fan
rotates in a low speed.
The MCBs for the batteries are set to OFF.
describes the cable installation checklist.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Outdoor Scenario with DC Power Supply (BBU Installed
in a TMC11H)
211
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