RRU3268 Description
1 Introduction
Issue 05 (2015-03-31)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3
Figure 1-2
Ports on the RRU3268 panels
Table 1-1
Physical ports on the RRU3268
Port
Connector
Quantity
Function
Power supply socket
Tool-less male
connector
(pressfit type)
1
Receives –48 V DC power
Common public
radio interface
(CPRI) port
DLC
2
Connects to the baseband unit
(BBU3900), or to another RRU
for cascading
RF port
DIN, female
2
Connects to an antenna to
transmit and receive RF signals
RET port
DB9
1
Connects to a remote control
unit (RCU)
Alarm port
DB15
1
Receives external alarm signals
A BBU3900 and RRU3268 are connected through a CPRI port using an optical cable to
transmit CPRI signals.