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Installation Quickstart
– continued
Battery Heater and Battery Installation
Cabinet Cabling
Procedures
C
Earth Ground Cabling
Step
1
Route the ground cable to the rear of the cabinet. The ground studs are located in the RF I/O area on
the RF cabinet, and in the AC I/O area on the Power Cabinet.
NOTE
Motorola recommends #3 BSWG (#2 AWG; 35 mm
2
Strip insulation from the cabinet end of the cable.
3
Attached the two–holed ground lug supplied with the installation hardware to the stripped end of the
cable. Use the proper crimp tool (Motorola P/N CGDSSTBM25S or equivalent).
4
Connect the two–holed lug to the cabinet ground studs and secure with the two (2) M6 nuts supplied
with the installation hardware. Torque to 5 N–m (45 in–lbs.).
Alarm, Span Line, RGPS and Power
Cabinet Alarm Cabling
Step
1
Refer to Table A-1 in the manual for installing the RGPS prior to proceeding.
2
Route the Alarm, Span Line and RGPS twisted pair cable(s) through the conduit, the RF I/O boot, and
to the punch block. Refer to Chapter 5 in the manual for the proper locations on the RF cabinet.
3
Connect the Alarm, Span Line, and Remote GPS pairs from the cable to the punch block using only
the recommended 110 style punch tool (CGDS237176 or equivalent), per the pin–call–outs in Chapter
5 of the manual.
4
Strain relief the cable by tie wrapping it to the punch block as shown in Chapter 5 of the manual.
140
See Chapter 4 of the manual for instructions to install the battery heater
pads and batteries in the Power Cabinet.
The following tables are step–by–step procedures for the SC4812ET
cabling.
Follow Table C-4 to install the earth ground cable in both the RF and
Power Cabinet.
Table C-4: Installing the Earth Ground Cable
Table C-5 is for alarm, span line cabling, and Remote GPS Installation
procedures.
Table C-5: Alarm, Span Line Cabling, and Remote GPS Cable Install
SC
4812ET RF and Power Cabinet Hardware Installation Manual
TM
Action
2
) solid–tinned copper wire for the ground cable.
Action
DRAFT
. . . continued on next page
Apr 2001
V0C.03
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