Huawei DBS3900 Installation Manual page 16

RRU3260
Installation Guide
Figure 3-3 Ports on the RU panels
Table 3-1
Table 3-1 Ports and indicators on the RU panels
Item
(1) Ports in the
cabling cavity
(2) Ports at the
bottom
Issue 05 (2014-06-30)
describes ports and indicators on the RU panels.
Silkscreen
RTN(+)
NEG(-)
CPRI0
CPRI1
ANT_TX/RXA
ANT_RXC
ANT_RXD Port
ANT_TX/RXB
EXT_ALM
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3 Information About the Installation
Remarks
Power supply socket
Optical/electrical port 0, connected to the
BBU
Optical/electrical port 1, reserved
TX/RX port A, supporting RET signal
transmission
RX port C
RX port D
TX/RX port B
Alarm monitoring port used for monitoring
one RS485 signal and two dry contact
signals
8