Nokia Solutions and Networks T5DK1 사용자 설명서

68P64115A19

–

4

Mar 2003

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

2-41

Install the earth ground cables according to the procedures in Table 2-33
(see Figure 2-18).

S

Do NOT wear a wrist strap when servicing the power
supplies or power distribution cabling! Serious personal
injury can result.

S

Before starting the procedure, ensure that the BTS power
cables are not connected to the main DC source.

Table 2-33: Procedure to Install Earth Grounding Cables

1

Route the ground cables (cable N) between the Master
Ground Bar (MGB) and the BTS frames.

Ground cables must not have sharp bends.

2

Strip insulation from the BTS end of each cable.

3

Attach a ring lug to the BTS end of each cable.

4

Connect a ground cable (cable N) to the ground stud of each
BTS frame.

5

Connect the ground lugs to directional coupler bracket,
duplexer bracket, and RFDS (if used).

6

Attach the ground cables to the MGB using the appropriate
connectors.