No. Item
3 The antirust powder on the cabinet door is removed.
Electrical Connection Checklist
Table 13-3 describes the electric connection checklist of the cabinet.
Table 13-3 Electric connection checklist of the cabinet
No. Item
1 All self-made PGND cables are copper-based with the proper wire diameters. No
breaking device such as switch and fuse is allowed for the electric connection of
the grounding system. No short circuit is allowed.
2 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.
3 The redundant part of the power cable or PGND cable is stripped off rather than
coiled.
4 The terminals at both ends of the power cable or PGND cable are securely soldered
or crimped.
5 The bare wires and the terminal handles at the wiring terminals are coated with heat-
shrinkable tubes.
6 The flat washer and the spring washer are well mounted on all OT terminals.
7 The exterior of the battery is intact without any scratch, dent, or crack.
8 The shell of the battery is clean without any leakage trace.
9 The wiring post on the battery stands properly without any damage, and the post is
not covered with any acidic substances.
10 The pressure relief valve of the battery is not transformed, and no liquid leaks.
11 The power cables for the batteries are connected to the positive and negative
polarities correctly.
12 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.
BTS3900A(Ver.B)
Installation Guide 13 Installation Checklist
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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