Port
Label
Connector
Description
CPRI1
SFP female
Connected to the lower-level RFU during
the cascading
Interconnectio
n port for RF
RX signals
RX_INB
QMA female
Input port of diversity signals in the
antenna channel
RX_OUTA
QMA female
Output port of diversity signals in the
antenna channel
Power supply
socket
PWR
3V3 power
Feeding power
Monitoring
port
MON
RJ-45
Monitoring port
4.3 DRFU
The Double Radio Frequency Unit (DRFU) is a dual-density RF unit. A DRFU processes two
carriers.
Panel
There are two types of DRFU, that is, the DRFU of 900 MHz and DRFU of 1800 MHz. The
panels of the DRFUs are shown in
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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