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3 Powering On and Powering Off the BTS3702E
3.1 Powering On the BTS3702E
The power supply input of the BTS3702E is -48 V DC. After powering on the BTS3702E,
determine the working state of the BTS3702E according to the status of the indicators.
Prerequisite
l
l
Context
The BTS3702E must be powered on within 24 hours after being unpacked or after being powered
off for maintenance.
Procedure
Step 1 Turn on the power switch of the BTS3702E.
After the BTS3702E is powered on, do not look directly at the beam from the optical module
without taking the necessary eye-protection measures.
Step 2 Wait for three to five minutes and then check the status of the indicators on modules of the
BTS3702E.
Table 3-1 Meanings of the BTS3702E indicators
Indicator
RUN
3-2
The installation of the hardware and cables of the BTS3702E is finished.
The range of the power supply input of the BTS3702E is from -36 V DC to -57 V DC.
CAUTION
DANGER
Table 3-1
lists the meanings of the indicators.
Color
Green
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Copyright © Huawei Technologies Co., Ltd.
State
On
Off
Blinking at 4 Hz (on for
0.125s and off for 0.125s)
Blinking at 0.5 Hz (on for
1s and off for 1s)
DBS3900 WiMAX
Site Maintenance Guide (Draft)
Description
There is power input, but the
board is faulty.
There is no power input, or the
board is faulty.
The board is being loaded.
The board is working
properly.
Issue 01 (2009-11-30)
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