Installing An Slpu - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
Procedure
Step 1 Align mounting holes on the cable holders with mounting holes on both sides of a BBU, and
then use four M4 screws to secure the cable holes until the tightening torque reaches 1.2 N·m,
as shown in
Figure 8-37 Installing cable holders on a BBU
Step 2 Wear ESD gloves or ESD wrist strap, and then slide the BBU into the cabinet along the guide
rails using both hands.
Step 3 Tighten four M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in
Figure
Figure 8-38 Installing a BBU
----End

8.4.2 Installing an SLPU

To protect trunk signals, an SLPU must be configure, which is installed in the 1 U space below
the fan box on the top of the cabinet.
Procedure
Step 1 Install cable holders for an SLPU, as shown in
1.
Issue 06 (2011-09-15)
Figure 8-37.
8-38.
Remove the four bolts from the mounting ears of the SLPU.
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8 Outdoor Scenario with DC Power Supply (BBU Installed
Figure 8-39.
in a +24 V DC APM30H)
245