Figure 9-19 Installing a PGND cable
Step 3 Route the cable by referring to 9.4.1 Cabling Requirements, and then use cable ties to bind the
cable.
Step 4 Label the installed cables by referring to Attaching a Sign Plate Label.
----End
9.4.4 Installing Power Cables
When a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in an
OMB, power cables such as an input power cable for the OMB, BBU power cable, and RRU
power cables must be installed.
Installing an Input Power Cable for the OMB
An input power cable for the OMB feeds power into an OMB for its components from external
power equipment.
Context
Only -48 V DC power can be supplied to an OMB. Table 9-2 lists the specifications of an input
power cable for the OMB.
DBS3900 (Ver.B)
Installation Guide
9 Outdoor Scenario with DC Power Supply (BBU Installed
in an OMB)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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