Huawei DBS3900 - SFP High-Speed Cable for Cascaded Rrus; RRU RF Jumper

Table 3-8 Pin assignment for the wires of the RGPS jumper
X1 (Pin for the
DB15 Waterproof
Connector)
X2 (Pin for the
Round 12-pin
Connector)
Color Type Description
X1.1 X2.9
White and
blue
Twisted
pair
GND
X1.6 X2.1 Blue +28 V
X1.14 X2.5 White and
orange
Twisted
pair
RXD_422+
X1.13 X2.4 Orange RXD_422-
X1.12 X2.3 White and
green
Twisted
pair
TXD_422+
X1.11 X2.2 Green TXD_422-
X1.2 X2.11 White and
brown
Twisted
pair
1PPS_422+
X1.7 X2.12 Brown 1PPS_422-
3.7 SFP High-Speed Cable for Cascaded RRUs
This section describes the SFP high-speed cable for cascaded RRUs. An SFP high-speed cable
for cascaded RRUs connects common public radio interface (CPRI) ports between two RRUs
and transmits CPRI signals between RRUs. SFP is short for small form-factor pluggable while
RRU is short for remote radio unit.
Exterior
Figure 3-9 shows an SFP high-speed cable for cascaded RRUs.
Figure 3-9 SFP high-speed cable for cascaded RRUs
3.8 RRU RF Jumper
A 1/2" RRU RF jumper transmits and receives RF signals.
DBS3900
RRU3252/RRU3256 Hardware Description 3 RRU Cables
Issue Draft A (2012-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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