Procedure
Step 1 Slide an SOU along the guide rails into the cabinet, and then tighten four M6x16 screws on the
panel until the tightening torque reaches 3 N·m, as shown in Figure 6-49.
NOTE
An SOU is preferentially installed in the bottom 1 U space of the cabinet.
Figure 6-49 Installing an SOU
Step 2 Install a power cable for the SOU, as shown in Figure 6-50.
1. Remove the protecting hood for the AC input terminal block, and then open the cover plate
for the AC OUTPUT wiring terminals on the EPS subrack.
2. Respectively connect the OT terminals on the brown, blue, and green and yellow wires at
one end of the power cable for the SOU to the AC OUTPUT wiring terminals labeled L2,
N2, and PGND on the EPS subrack.
3. Link the C13 connector at the other end to the power supply socket on the SOU.
4. Close the cover plate for the AC OUTPUT wiring terminals on the EPS subrack, and then
reinstall the protecting hood for the AC input terminal block.
Figure 6-50 Installing a power cable for the SOU
Step 3 Route and bind the cables. For details, see 6.5.1 Cabling Requirements.
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.
59
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