Nokia Solutions and Networks T5DK1 사용자 설명서

68P64115A19

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4

Mar 2003

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

2-2

This chapter provides the BTS inter-frame cabling procedures for the SC
4812T–MC BTS configuration.

Cabling is one of the most noticeable aspects of workmanship.
Straight runs and proper turns are critical for a positive
evaluation of the work. Power and signal cables should be run
with sharp corners, while grounds and antenna lines require
gentle corners.

Before installing cables, it is recommended that you become familiar
with the equipment and the cable connection locations. Start by
reviewing “Connection Locations” topic in this chapter and Table 2-1,
BTS Cable Descriptions and part numbers.

This chapter supports Inter-Frame cabling installation for a Standalone
Base Transceiver Station (BTS) in the following configurations:

S

120 Degree Sector/Sector (3 Sector)

S

60 Degree Sector/Sector (6 Sector)

To install BTS inter-frame cabling, perform the following procedures in
the order shown:

1. Alarm and Span Line

2. Modem/TELCO (optional)

3. GPS and optional LFR

4. Transmit path – perform one of the following based on site

specifications:

– 120 Degree Sector Transmit Path

– 60 Degree Sector Transmit Path

5. Receive path – Perform one of the following based on site

specifications:

– 120 Degree Sector Receive Path

– 60 Degree Sector Receive Path

6. Earth ground

7. DC power cables

The “Overall Cabling Diagrams and Description” area provides
generalized cabling diagrams and cable descriptions. The labels used to
designate the cables in this area are used throughout this chapter.