Nokia Solutions and Networks T5DK1 사용자 설명서

68P64115A19

–

4

Mar 2003

1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x

2-40

The objective of this procedure is to install the BTS earth ground cables.
This manual describes only general procedures for grounding the site.
Refer to the Grounding Guidelines for Cellular Radio Installations,
Motorola part no. 68P81150E62, for detailed grounding information.

Each cabinet must be grounded separately and NOT daisy
chained together!

Figure 2-18 illustrates the earth ground cable.

Figure 2-18: Earth Ground Cabling Details

MASTER GROUND BAR

N

GND

ti-CDMA-WP-00052-v02–ildoc–ftw

The cable designations are referenced in Table 2-1, in the “Cabling
Diagrams and Description” section of this manual.

Table 2-32 describes the cable and ring lugs required for earth
grounding.

Two-hole (Thomas & Betts part no. 54207; or equivalent) are
recommended.

Table 2-32: Items Required for Earth Grounding

Cable

(N)

1

Ground cable, 6-AWG, insulated copper wire, loop
connectors. Customer supplied cable.

Ring
Lugs

1

Ring lugs to attach to the BTS end of the cable.
Customer supplied item.