Installing An Slpu - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
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7.4.3 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.
USLP2.
Figure 7-41 The panel of the USLP2
Figure 7-42
the USLP2.
Figure 7-42 Mapping relationship between the pins in the input and output ports on the USLP2
7
8
Table 7-2
USLP2.
Table 7-2 Mapping relationship between the pins in the input and output ports on the USLP2
Input
Label
IN0
Issue 06 (2011-09-15)
shows the mapping relationship between the pins in the input and output ports on
OUT0 OUT1
5 3 1 7 5 3 1
1
8 6 4 2
6 4 2
lists the mapping relationship between the pins in the input and output ports on the
Pin
IN0.1
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7 Outdoor Scenario with DC Power Supply (BBU Installed
IN0 IN1 IN2
2 3 4 1 2 3 4 1 2
Output
Label
OUT1
Figure 7-41 shows the panel of the
IN3
3 4 1 2 3 4
Pin
OUT1.1
in a TMC11H)
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