User Manual

CHAPTER 2. Installation
2-90 © SAMSUNG Electronics Co., Ltd.
2.9.1.1 Installing Power Cable
Power cable of an indoor BTS is connected as shown below. DC +26V is supplied to the
indoor BTS through the power cable on the upper part of the rack. Power device is installed
in the form of cabinet and is connected as shown below:
1) Power line should be twisted pair wire. +26 V line is red, and return line is black. If it
is impossible, the two lines should be black and be labeled to identify its polarity.
2) 4 CV60 mm
2
(AWG 1/0, current 190 A, diameter 0.325”) are used for A and B paths,
and 2 CV38 mm
2
(AWG 2, current 139 A, diameter 0.258”) are used for C path.
Figure 2.64 Connecting BTS Power Cable
DC Cable
(+26V, CV60mm
2
x1C-4, AWG 1/0)
DC Cable
(+26V, CV38mm
2
x1C-4,
A
WG 2
)
Enlar
g
ed Cable Connection Dia
g
ram
Caution Label
Detail ‘A’
Indoor BTS
DC Cable
(+26V, CV60mm
2
x1C-4, AWG 1/0)
DC Cable(+26V,
CV38mm
2
x1C-2, AWG 2)
Cable Rack
Rectifier
삭제됨: 1