No. Item
9 Filler panels are installed in the space reserved for customer equipment.
10 The cabinet door can be easily opened or closed, the lock works properly, and the
gag lever post is secure.
11 All labels, tags, and nameplates are correct, legible, and complete.
Cabinet Installation Environment Checklist
Table 12-7 describes the cabinet installation environment checklist.
Table 12-7 Cabinet installation environment checklist
No. Item
1 There are no fingerprints or other smears on the surface of the cabinet.
2 There are no excessive straps or adhesive tape on the cables.
3 No tapes, tails of cable ties, paper, or packing bags are left around the cabinet.
4 All the items around the cabinet are neat, clean, and intact.
Electrical Connection Checklist
Table 12-8 describes the electric connection checklist of the cabinet.
Table 12-8 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.
DBS3900 (Ver.B)
Installation Guide
12 Indoor Scenario with DC Power Supply (BBU Installed in
a 19-Inch Rack)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
428
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