Power-On Check - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide

9.6 Power-On Check

Before a DBS3900 starts operating, you must check the power-on status of the cabinet and
components in it.
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 9-36
scenario.
Figure 9-36 Power-on check in the DC power supply scenario
Issue 06 (2011-09-15)
CAUTION
shows the power-on check when a DBS3900 is deployed in the DC power supply
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