Rbs Overview.docx

RBS Overview For an overview of the RBS cabinet and the RBS-TMR cabinet, refer to RBS Description.

3.1 Overview of the Cable Inlets This section provides an overview of cable inlets for the RBS and the RBS-TMR. 3.1.1

RBS Cable Inlets

There are five variants of bottom plates with cable inlets. Table 2 shows which variant to use according to the RBS configuration. Table 2

Bottom Plate Variants

RBS Configurations

No. of RUs No. of Variant RRUs/AIR Units

RBS with Internal Radios

1-6

0

Variant 1 Variant 2

RBS with Internal and External 1-6 Radios 1-3

1-3

Variant 2

1-6

Variant 3

RBS with External Radios

0

1-9

Variant 4

RBS with External Radios and MINI-LINK TN 20p

0

1-6

Variant 5

Figure 1, Figure 2, Figure 3, Figure 4, and Figure 5 show the different bottom plates. Table 3, Table 4, Table 5, Table 6, and Table 7 describe the cable inlets of the bottom plates.

Figure 1 Table 3

Cable Inlets, Variant 1 Cable Inlets, Variant 1

Position Description A

DC connection, including temperature sensor connection

B

AC cable inlet

C

RF cable inlet (antenna)

D

TM cable inlet

E

TM cable inlet

Comments -48 V DC

Two large inlets for optical cable Two small inlets for coaxial cable

Co-site cable inlet F

OVP cable inlet, GPS receiver cable inlet

Including GPS receiver unit, external alarms, and transmission.

Figure 2 Table 4

Cable Inlets, Variant 2 Cable Inlets, Variant 2

Position Description A

DC connection, including temperature sensor connection

B

AC cable inlet

C

RF cable inlet (antenna)

D

TM cable inlet

E

TM cable inlet

Comments -48 V DC

Two large inlets for optical cable Two small inlets for coaxial cable

Co-site cable inlet F

OVP cable inlet

Small inlets

SPD cable inlet

Large inlets

Figure 3 Table 5

Cable Inlets, Variant 3 Cable Inlets, Variant 3

Position Description A

DC connection, including temperature sensor connection

B

AC cable inlet

C

RF cable inlet (antenna)

D

Optical cable inlet

E

TM cable inlet

Comments -48 V DC

Co-site cable inlet F G

OVP cable inlet

Small inlets

SPD cable inlet

Large inlets

OVP cable inlet

Small inlets

Figure 4 Table 6

Cable Inlets, Variant 4 Cable Inlets, Variant 4

Position Description A

DC connection, including temperature sensor connection

B

AC cable inlet

C

Optical cable inlet

D

TM cable inlet

E

TM cable inlet

Comments -48 V DC

Co-site cable inlet SPD cable inlet F

OVP cable inlet

Small inlets

Figure 5 Table 7

Cable Inlets, Variant 5 Cable Inlets, Variant 5

Position Description

Comments

A

DC connection, including temperature sensor connection

-48 V DC

B

AC cable inlet

C

Optical cable inlet

D

TM cable inlet

E

SPD cable inlet (DC cable outlet -48 V DC)

F

TM cable inlet

G

OVP cable inlet

Small inlets

SPD cable inlet (DC cable outlet -48 V DC)

Large inlets

3.1.2

RBS-TMR Cable Inlets

Figure 6 shows the cable inlets in the RBS-TMR, and Table 8 lists them.

Figure 6 Table 8

Cable Inlets in RBS-TMR Cable Inlets in RBS-TMR

Pos.

Comment

A

DC connection, including temperature sensor connection

B

AC cable inlet

C

Power cable outlets

D

TM cable inlets

E

TM cable inlets