Nokia Solutions and Networks T5DK1 사용자 설명서

68P64115A19

–

4

Mar 2003

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

4-20

The objective of this procedure is to install an external CDMA RFDS
into a 3-Sector Duplexed site. This configuration covers all indoor BTS
types.

Figure 4-10 shows the cabling from an RFDS to a 3-Sector Duplexed
BTS configuration without regard to BTS type or band. Table 4-15 lists
the ports for the Directional Couplers and RFDS, and instructions for
installing the RF cables are shown in Table 4-16.

ASU2

ASU1

FWD

REV

1

2

3

4

5

6

1

2

3

4

5

6

FWD

REV

FWD

REV

FWD

REV

FWD

REV

FWD

REV

Sector 1

TX1           RX Pri

Figure 4-10: 3–Sector Duplexed Cabling Configurations

Sector 1

TX2 *          RX Div

Sector 2

TX1           RX Pri

Sector 2

TX2*           RX Div

Sector 3

TX1           RX Pri

Sector 3

TX2*           RX Div

1

2

3

4

5

6

1

2

3

4

5

6

* TX2 – FOR SINGLE FRAME  UNUSED TX PORTS ON THE
DUPLEXER MUST BE TERMINATED WITH A 50 OHM LOAD.
FOR EXPANSION CONNECT CABLES HERE

LEGEND:

=  EXISTING  EQUIPMENT

ANT

TX

RX

ANT

TX

RX

ANT

TX

RX

ANT

TX

RX

ANT

TX

RX

ANT

TX

RX