User Manual

CHAPTER 2. Installation
2-64 © SAMSUNG Electronics Co., Ltd.
2.5.2.3 Rack Earth
The grounding cable connection of the indoor BTS is as follows:
1) Starting from the Main Ground Bar(MGB), install the grounding cable GV38 mm
2
x1C(AWG No.2, 139 A, 0.258”diameter) along the cable rack.
2) Move the wired cable and the pressure-terminal to the upper section of the rack.
3) Connect the pressure-terminal 38 mm
2
at the end of the grounding cable to the
grounding terminal by pulling the cable down over the M6 Tap 2Hole at the upper
right corner of the equipment and accurately connecting the center point of the two
terminals.
4) Use an M6 flat washer, spring washer and bolt to tightly fasten the pressure-terminal to
the grounding terminal at the upper section of the rack. The torque for tightening
should comply with KSC C 2620 standard, 40.8-50.5 kgf.cm.
Figure 2.48 Indoor BTS Rack Earth
Detail ‘B’
Cable Rack
Bulk-Head
Grounding Cable
(GV 38 mm
2
x1C, AWG 2)
Detail ‘A’
Indoor BTS
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