Bts3900C Transmission Cables; E1/T1 Cable - Huawei BTS3900C Hardware Description

BTS3900C (Ver.C)
Hardware Description
Exterior
Figure 7-24
The RRU power cable has a tool-less female connector (pressfit type) at one end connected the power equipment,
and the tool-less female connector (pressfit type) needs to be added to the power cable onsite. The connector at
the other end of the power cable depends on the RRU type.
Figure 7-24 RRU power cable
(1)Tool-less female connector (pressfit type)
Cable Description
Table 7-25
Table 7-25 Specifications of an RRU power cable
Wire
NEG(-)
RTN(+)

7.6 BTS3900C Transmission Cables

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

7.6.1 E1/T1 Cable

An E1/T1 cable transmits baseband signals from BBU to the external transmission equipment.
The maximum length of a E1/T1 cable is 50 m (164.04 ft).
Exterior
The E1/T1 cable is of three types: 75-ohm E1 coaxial cable, 120-ohm E1 twisted pair cable, and
100-ohm T1 twisted pair cable.
Issue 03 (2013-05-27)
shows an RRU power cable.
NOTE
lists the specifications of an RRU power cable.
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Copyright © Huawei Technologies Co., Ltd.
Color
North American Standard
Blue
Black
7 BTS3900C Cables
European Standard
Blue
Brown
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