Figure 7-41
HEUB-BBU monitoring signal cable
(1) RJ45 connector
Cable Description
describes the pin assignment for the wires of the HEUB-BBU monitoring signal
cable.
Table 7-37
Pin assignment for the wires of the HEUB-BBU monitoring signal cable
X1 End
X2 End
Color
Type
X1.1
X2.1
White
Twisted pair
X1.2
X2.2
Orange
X1.3
X2.3
White
Twisted pair
X1.6
X2.6
Green
X1.5
X2.5
White
Twisted pair
X1.4
X2.4
Blue
X1.7
X2.7
White
Twisted pair
X1.8
X2.8
Brown
7.8.5 BBU Alarm Cable
A BBU alarm cable transmits alarm signals from external alarm equipment to a BBU. The
maximum length of a BBU alarm cable is 20 m (65.62 ft).
Exterior
The BBU alarm cable has an RJ45 connector at each end, as shown in
connector at one end, however, may be removed and an appropriate terminal may be added
according to the field requirements.
BTS3900C (Ver.C)
Hardware Description
7 BTS3900C Cables
Issue 03 (2013-05-27)
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