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RRU3942&RRU3642
Installation Guide
Item
(2) Ports in the cabling
cavity
(3) Indicators
Table 3-2
Issue 07 (2013-12-30)
Silkscreen
RX_IN/OUT
RET
RTN(+)
NEG(-)
CPRI0
CPRI1
EXT_ALM
RUN
ALM
ACT
VSWR
CPRI0/IR0
CPRI1/IR1
NOTE
l The port for transmitting RET signals is determined by the software.
l For the RRU3942, both CPRI0 and CPRI1 can be conected to the BBU. Use the CPRI0 by default in
the single-mode scenario.
l For the RRU3642, CPRI0 is connected to the BBU and the CPRI1 is reserved. The RX_IN/OUT is not
used.
describes how to use RF ports for RRU3942.
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Copyright © Huawei Technologies Co., Ltd.
3 Information About the Installation
Description
Interconnection port
Communication port for the RET antenna,
supporting RET signal transmission
Power supply socket
Optical/electrical port 0
Optical/electrical port 1
Alarm monitoring port used for monitoring
one RS485 signal and two dry contact signals
See
3.3 RRU
Indicators.
12
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