Label
Color
Status
Description
Blinking (on for
1s and off for 1s)
The board is being tested,
such as an RRU Voltage
Standing Wave Ratio
(VSWR) test through a
USB disk. When an
upgrade through a USB
disk is implemented, the
ACT LED does not blink.
Besides the preceding three LEDs, some other LEDs used for indicating the connection status
of the FE optical port, FE electrical port, commissioning Ethernet port have no silkscreen on the
board. They are near the ports.
Table 4-14
Ports and LEDs
Label
Color
Status
Description
SFP0 and SFP1
Green (LINK)
On
The connection is set
up successfully.
Off
No connection is set
up.
Orange (ACT)
Blinking
Data is being
transmitted.
Off
No data is being
transmitted.
ETH
Orange (ACT)
Blinking
Data is being
transmitted.
Off
No data is being
transmitted.
Green (LINK)
On
The connection is set
up successfully.
Off
No connection is set
up.
FE/GE0 to FE/GE1
Green (LINK)
On
The connection is set
up successfully.
Off
No connection is set
up.
Orange (ACT)
Blinking
Data is being
transmitted.
Off
No data is being
transmitted.
4 BTS3900 Components
BTS3900
Hardware Description
4-16
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)