Rru Cable List; Rru Pgnd Cable - Huawei DBS3900 Hardware Description

DBS3900
RRU3253 Hardware Description

3.1 RRU Cable List

This section describes RRU cable connections.
Table 3-1
Table 3-1 RRU cables
Cable
3.2 RRU
PGND Cable
3.3 RRU
Power Cable
3.4 CPRI
Fiber Optic
Cable
3.5 RRU RF
Jumper
3.6 RRU
Alarm Cable

3.2 RRU PGND Cable

An RRU PGND cable connects an RRU and a ground bar, ensuring the proper grounding of the
RRU.
Exterior
An RRU PGND cable is green or green and yellow, both ends of the cable are OT terminals. If
the customer prepares the PGND cable, a copper-core cable with a minimum cross-sectional
area of 16 mm
Issue 01 (2012-11-30)
lists RRU cables.
One End
Connector
OT terminal
(M6)
Easy power
receptacle
(pressfit type)
connector
DLC connector
Type N
connector
DB9 connector
2 2
(0.025 in. ) is recommended.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
The Other End
Installation Connector
Position
Ground OT terminal (M8) Ground terminal
terminal on the
RRU
NEG(-) and Easy power
RTN(+) ports receptacle
on the RRU (pressfit type)
connector
OT terminal (M4) LOAD0 to
CPRI0/IR0 port DLC connector
on the RRU
ANT1 to ANT8 Type N connector Antenna system
ports on the
RRU,CAL port
on the RRU
RET/ Cord end terminal External alarm
EXT_ALM port
on the RRU
Figure 3-1 shows a PGND cable.
3 RRU Cables
Installation
Position
on the ground bar
RRU0 to RRU5
on the EPS or
EPU
LOAD5 ports on
the DCDU
Ir port on the
LBBP in the BBU
device
8