Huawei Airbridge DBS3900 Product Description page 21

Airbridge DBS3900 CDMA Base Station
Product Description
Ports on Optional Boards
Board
UELP
UFLP
USCU0
USCUb0
Issue 11 (2010-06-18)
Quantit
Port
y
INSIDE 1
OUTSIDE 1
FE0 and FE1 2
(INSIDE)
FE0 and FE1 2
(OUTSIDE)
GPS port 1
RGPS port 3
BITS port 1
TEST port 1
GPS port 1
RGPS port 2
TOD port 2
BITS port 1
M-1PPS port 1
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1 Overall Structure of the DBS3900
Connector
Function
Type
DB25 It provides four links for
E1/T1 signal input and
is connected to the
BBU.
DB26 It provides four links for
E1/T1 signal output, and
connects the
transmission equipment
and the BSC.
RJ45 Each port provides one
link for FE signal input
and is connected to the
BBU.
RJ45 Each port provides four
links for E1/T1 signal
output and connects the
transmission equipment
and the BSC.
SMA It is used for receiving
GPS signals.
8-pin terminal They are used for
block receiving RGPS signals.
SMA It is connected to the
BITS clock.
SMA It is used as the output
end for the clock test.
SMA It is used for receiving
GPS signals.
8-pin terminal They are used for
block receiving RGPS signals.
RJ45 They are used for
receiving or transmitting
1PPS and TOD signals.
SMA It is connected to the
BITS clock and supports
the adaptive input of
2.048 MHz clock
signals and 10 MHz
clock signals.
SMA It is used for receiving
M1000 1PPS signals.
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