Figure 6-40 Installing an SLPU
----End
6.4.3 Installing an SLPU
To protect monitoring signals, an SLPU may be configured, which is installed the 1 U space
directly under the BBU.
Prerequisite
The tools, such as a screwdriver and a pair of ESD gloves, are available.
Context
The SLPU that is used to protect monitoring signals is configured with two Universal Signal
Lightning Protection unit type 2 (USLP2s) before delivery. Figure 6-41 shows the panel of the
USLP2.
Figure 6-41 The panel of the USLP2
Figure 6-42 shows the mapping relationship between the pins in the input and output ports on
the USLP2.
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.
54
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