2, the TX port and RX port are ANT2 and ANT3, respectively. For external antennas
corresponding to RF daughter board 3, the TX port and RX port are ANT4 and ANT5,
respectively.
l
The external antenna system is optional, and the pRRU jumpers are not delivered. By
default, the pRRUs are configured with built-in antennas. If the external antenna system is
connected, the antenna system automatically switches to the external one. One end of the
pRRU RF jumper is the SMA male connector, which is connected to the external antenna
TX/RX RF port on the pRRU. The other end of the pRRU RF jumper is the type N male
connector, which is connected to the antenna system. For the standard of the pRRU RF
jumper, please see pRRU RF Jumper of the
LampSite Hardware Description
.
shows the cable connection when the pRRU is configured with only one RF
Daughter Board.
Figure 5-36
pRRU cable connection (1)
(1) Ethernet cable
(2) RF jumper
(3) AC/DC power adapter
(4) Power cable of the AC/DC power adapter
NOTE
The Extender can be used to lengthen the distance between the RHUB and the pRRU connected using the
Ethernet cable. If the Extender is used, the Ethernet cable is divided into two parts, one between the RHUB
and the Extender and the other between the Extender and the pRRU.
shows the cable connection when the pRRU is configured with two RF Daughter
Boards.
LampSite
Installation Guide
5 Installing a pRRU
Issue 02 (2014-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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