Table 4-10
Labels and recommended connections for the branch cables of the multi-mode
optical cable between the BBU and RRU
Label
Color
Installation Position
1A
Orange
CPRI RX port on the RRU
1B
Gray
CPRI TX port on the RRU
2A
Orange
TX port on the BBU
2B
Gray
RX port on the BBU
Table 4-11
Labels and recommended connections for the branch cables of the multi-mode
optical cable between RRUs
Label
Color
Installation Position
1A
Orange
CPRI RX port on the RRU 1
1B
Gray
CPRI TX port on the RRU 1
2A
Orange
CPRI TX port on the RRU 0
2B
Gray
CPRI RX port on the RRU 0
Table 4-12
Labels and recommended connections for the branch cables of the single-mode
optical cable and recommended connections
Label
Color
Installation Position
1A
Yellow
RX port on the BBU or CPRI RX port
on the RRU
1B
Blue
TX port on the BBU or CPRI TX port on
the RRU
2A
Yellow
ODF
2B
Blue
ODF
4.11 Monitoring Signal Cable Between the APMI and the
BBU
This describes the monitoring signal cable between the APMI and the BBU. It transmits the
environment monitoring signals of the power cabinet to the BBU.
BBU3900
Hardware Description
4 BBU3900 Cables
Issue 11 (2010-11-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4-17
Summary of Contents for BBU3900
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