2. Move a mounting ear backwards, place each cable holder between the mounting ear and
the SLPU, and then align the mounting holes on the cable holder with those on the mounting
ear and SLPU.
3. Use the four M4 screws that are removed in step Step 1.1 to secure the mounting ears, cable
holders, and SLPU until the tightening torque reaches 1.2 N·m.
Figure 8-39 Installing cable holders on an SLPU
Step 2 Slide the SLPU along the guide rails into the cabinet, and then tighten two M6x16 screws on
the panel until the tightening torque reaches 3 N·m, as shown in Figure 8-40.
Figure 8-40 Installing an SLPU
DBS3900 (Ver.B)
Installation Guide
8 Outdoor Scenario with DC Power Supply (BBU Installed
in a +24 V DC APM30H)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
246
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