LTE TDD
BBU3900&BBU3910 Description
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Label Connecto
r
Number of
Ports
Description
an OM port has been opened and the user
has obtained required authorities for
accessing the base station through the OM
port before accessing the base station
through the USB port.
CLK USB 1 The USB port with the CLK silkscreen
functions as the TOD clock or test clock
port.
E1/T1 DB26,
female
1 UMPTa2, UMPTa6, UMPTb1, or
UMPTb2 supports E1/T1 port. The E1/T1
port ransmits and receives four links of
E1/T1 signals.
UMPTb9 does not support E1/T1 port.
GPS SMA 1 GPS antenna port
CI SFP 1 The port is used for BBU interconnection.
RST N/A 1 Hardware reset button
Table 1-3 describes the ports on the UMPTe2.
Table 1-3 Ports on the UMPTe2
Identifie
r
Connector Quantity Description
FE/GE0,
FE/GE2
RJ45 2 FE/GE electrical port
XGE1,
XGE3
SFP 2 XGE optical port
CI SFP female 1 Connects to the UCIU
USB USB 1 A USB flash drive can be inserted into the port
for software upgrade and base station
commissioning
CLK USB 1 Used for multiplexing the time of day (TOD)
clock and test clock
GPS SMA 1 Used for transmitting radio frequency (RF)
signals received from the antenna to the satellite
card.
RST - 1 Reset button
Table 1-4 describes the ports on the UMPTb9.
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