Installing An Slpu - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
Procedure
Step 1 Remove bolts from the filler panels on slots 2 and 3, and then remove the filler panels.
Step 2 Install the USLP2s in slots and 3, and then tighten the screws on both sides of the panels until
the tightening torque reaches 0.6 N·m, as shown in
Figure 14-33 Installing USLP2s
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14.4.2 Installing an SLPU

To protect monitoring signals, an SLPU may be configured, which is installed the 1 U space
directly under the EPS.
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 units-type 2 (USLP2s).
Figure 14-34 Panel of a USLP2
Figure 14-35
the USLP2.
Issue 06 (2011-09-15)
shows the mapping relationship between the pins in the input and output ports on
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14 Indoor Scenario with DC Power Supply (BBU Installed
Indoors and RRU Powered Outdoors)
Figure 14-33.
Figure 14-34 shows the panel of a USLP2.
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