Indicator
Color
State
Description
ALM
Red
On
An alarm is generated, and the
board needs to be replaced.
Blinking at 0.5 Hz (on for
1s and off for 1s)
An alarm is generated, but you
cannot determine that the
board needs to be replaced.
This alarm may be generated
by a faulty board or port.
Off
No fault.
TX_ACT
Green
On
The board is working
properly.
Blinking at 0.5 Hz (on for
1s and off for 1s)
The board is operating, but the
antenna port transmits no
power.
SFP0
Red and green Green and on
The link is functional.
Green and blinking
Data can be transmitted and
received over the Ethernet
port.
Red and on
An alarm is generated,
indicating that an exception
occurs when the optical
module receives signals.
Off
The SFP module is not in
position or is powered off.
SFP1
Red and green Green and on
The link connected to the
Ethernet port is functional.
Green and blinking
Data can be transmitted and
received over the Ethernet
port.
Red and on
An alarm is generated,
indicating that exception
occurs when the optical
module receives signals.
Off
The SFP module is not in
position or is powered off.
VSWR
Red
Off
No alarm is generated.
On
An alarm is generated on only
the A port of the antenna
subsystem.
DBS3900 WiMAX
Site Maintenance Guide (Draft)
3 Powering On and Powering Off the BTS3702E
Issue 01 (2009-11-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3-3
