No. Item
11 The extra length of the indoor cable ties is cut, and the cut surfaces are smooth
without sharp edges. The extra length of 3 mm to 5 mm of the outdoor cable
ties is reserved when the cable ties are cut.
12 The unused ports are properly protected.
11.6 Power-On Check
Before a DBS3900 starts operating, you must check the power-on status of the cabinet and
components in it.
CAUTION
The DBS3900 must be powered on within seven days after it is unpacked, and the period for
which the DBS3900 remains powered-off during maintenance must not exceed 48 hours.
Power-On Check in the AC Power Supply Scenario
Figure 11-31 shows the power-on check when a DBS3900 is deployed in the DC power supply
scenario.
DBS3900 (Ver.B)
Installation Guide
11 Indoor Scenario with DC Power Supply (BBU Installed
on a Wall)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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