LED
Color
Status
Description
OFF
No connection is set
up.
Orange (ACT LED
on the right)
Blinking
Data is being
transmitted.
OFF
No data is being
transmitted.
FE0
Green (LINK LED
on the left)
ON
The connection is set
up successfully.
OFF
No connection is set
up.
Orange (ACT LED
on the right)
Blinking
Data is being
transmitted.
OFF
No data is being
transmitted.
FE1(GTMUb)
Green (LINK LED
on the left)
ON
The connection is set
up successfully.
OFF
No connection is set
up.
Green (ACT LED on
the right)
Blinking
Data is being
transmitted.
OFF
No data is being
transmitted.
M_S (GTMUb)
-
-
This is the LED of the
reserved port.
EXT (GTMUb)
-
-
This is the LED of the
reserved port.
Ports
describes the ports on the GTMU.
Table 4-3
Ports on the GTMU
Label
Connector
Description
CPRI0 to CPRI5 SFP female
Data transmission port interconnected to the RFU.
It supports the input and output of optical and
electrical transmission signals
EXT (GTMUb)
SFP female
Obligate
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4-7