Indicator/
Silkscreen
Color
Status
Definition
Blinking red (on for
1s and off for 1s)
An alarm is
generated on E1/T1
link 0.
Blinking red (on for
0.125s and off for
0.125s)
An alarm is
generated on E1/T1
link 1.
L23
Red or green
Steady off
E1/T1 link 2 and 3 is
not set up, or an LOS
alarm is generated.
Steady green
E1/T1 links 2 and 3
are working
properly.
Blinking green (on
for 1s and off for 1s)
E1/T1 link 2 is
working properly,
but E1/T1 link 3 is
not set up or an LOS
alarm is generated.
Blinking green (on
for 0.125s and off for
0.125s)
E1/T1 link 3 is
working properly,
but E1/T1 link 2 is
not set up or an LOS
alarm is generated.
Steady red
Alarms are generated
on E1/T1 links 2 and
3.
Blinking red (on for
1s and off for 1s)
An alarm is
generated on E1/T1
link 2.
Blinking red (on for
0.125s and off for
0.125s)
An alarm is
generated on E1/T1
link 3.
DIP Switch
Two DIP switches on the UMPT are labeled SW1 and SW2.
of DIP switches on the UMPT.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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