Label Connected To
2A CPRI TX port on RRU 0
2B CPRI RX port on RRU 0
Table 3-7 Labels on and recommended connections for optical fibers of a single-mode optical
assembly between a BBU and an ODF or between an ODF and an RRU
Label Connected To
1A RX port on the BBU or CPRI RX port on the RRU
1B TX port on the BBU or CPRI TX port on the RRU
2A ODF
2B ODF
3.6 RGPS Jumper
A PGPS jumper connects a RGPS antenna to an RRU.
Exterior
A RGPS jumper has a DB15 waterproof connector at one end and a round 12–pin connector at
the other end, as shown in Figure 3-8.
Figure 3-8 RGPS jumper
(1) DB15 waterproof connector
(2) Round 12-pin connector
Pin Assignment
Table 3-8 describes the pin assignment for the wires of the RGPS jumper.
DBS3900
RRU3252/RRU3256 Hardware Description 3 RRU Cables
Issue Draft A (2012-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
17
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