Label
Color
Status
Description
Blinking (on for 1s and
off for 1s)
A VSWR-related alarm is generated at
the ANT_RXB port.
Blinking (on for 0.125s
and off for 0.125s)
A VSWR-related alarm is generated at
the ANT_TX/RXA and ANT_RXB
ports.
Off (red)
No VSWR alarm is generated.
CPRI0
Red/Green
On (green)
The CPRI links are normal.
On (red)
The reception of the optical module is
abnormal, and an alarm is generated.
On for 1s and off for 1s
(red)
The CPRI link has a loss-of-lock error.
Off
The SFP is out of position, or the
optical module is powered off.
CPRI1
Red/Green
On (green)
The CPRI links are normal.
On (red)
The reception of the optical module is
abnormal, and an alarm is generated.
On for 1s and off for 1s
(red)
The CPRI link has a loss-of-lock error.
Off
The SFP is out of position, or the
optical module is powered off.
Ports
describes the ports on the panel of the MRFU.
Table 4-53
Ports on the panel of the MRFU
Port
Label
Connector
Function
RF Port
ANT_RXB
DIN
connector
RF RX port, connected to the antenna
system
ANT_TX/
RXA
DIN
connector
RF TX/RX port, connected to the antenna
system
CPRI interface CPRI0
SFP female
connector
Connected to the BBU or the upper-level
cascaded MRFU
CPRI1
SFP female
connector
Connected to the lower-level cascaded
MRFU
Inter-MRFU
RF signal port
RX_INB
QMA female
connector
Input port for diversity receive
4 BTS3900 Components
BTS3900
Hardware Description
4-56
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)