Figure 6-67 Leading cables through cable outlet modules
Step 2 Use rubber caps to seal the idle cable holes.
Step 3 Tighten the screws in the front of the cable module to fix the module.
----End
6.5.3 Installing Power Cables
When a DBS3900 is deployed outdoors with AC power supply, the BBU can be installed in an
APM30H. If a single APM30H is installed, the input power cable for the APM30H, BBU power
cable, and RRU power cables must be installed. If multiple cabinets are installed in stack mode,
the power cable between the APM30H and the TMC11H and that between the APM30H and
the IBBS200D or IBBS200T must also be installed.
Installing an Input Power Cable for the APM30H
An input power cable for the APM30H is used to connect the external power equipment to the
EPS subrack, feeding external power into the APM30H.
Prerequisite
l The tools, such as a Phillips screwdriver, cable cutter, and multi-purpose crimping tool, are
ready.
l The PGND cable is installed.
Context
The outdoor power supply to an APM30H can be 220 V AC three-phase, 220 V AC single-
phase, or 110 V dual-live-wire power. Different input power cables are delivered for an APM30H
in different power supply scenarios, as listed in Table 6-5.
DBS3900 (Ver.B)
Installation Guide
6 Outdoor Scenario with AC Power Supply (BBU Installed
in an APM30H)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
72
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