Bts3900C Signal Cables; Monitoring Signal Cable For The Fan Assembly - Huawei BTS3900C Hardware Description

BTS3900C (Ver.C)
Hardware Description
Table 7-34 Labels on and recommended connections for the breakout cables of a CPRI fiber
optic cable
Label
1A
1B
2A
2B

7.8 BTS3900C Signal Cables

This chapter describes all the signal cables used in a BTS3900C, including the exteriors,
functions, and pin assignments of the signal cables.

7.8.1 Monitoring Signal Cable for the Fan Assembly

The monitoring signal cable for the fan assembly is used for the HEUB to monitor the operating
status of the fan assembly.
Exterior
Figure 7-38
Figure 7-38 Monitoring signal cable for the fan assembly
(1) 4-pin connector
Issue 03 (2013-05-27)
Installation Position
Multimode Fiber
Optic Cable
Between a BBU
and an RRU
CPRI RX port on the
RRU
CPRI TX port on the
RRU
TX port on the BBU
RX port on the BBU
shows a monitoring signal cable for the fan assembly.
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Copyright © Huawei Technologies Co., Ltd.
Multimode Fiber
Optic Cable
Between Two
RRUs
CPRI RX port on
RRU 1
CPRI TX port on
RRU 1
CPRI TX port on
RRU 0
CPRI RX port on
RRU 0
7 BTS3900C Cables
Single-Mode Pigtail
RX port on the BBU or
CPRI RX port on the
RRU
TX port on the BBU or
CPRI TX port on the
RRU
ODF
ODF
164