22Chapter 3 Physical installation

Use Table 6 and Table 7 to set the DIP switches for the MBMs.

Table 6 Possible trunk MBM DIP switch settings

DS30

 

 

 

 

 

Trunk MBM positioning

 

 

 

 

DIP switch settings

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

bus #

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4x16

 

DDIM

 

DTM

CTM4

CTM8

GATM

GATM8

BRI

 

 

 

 

 

 

Offsets

 

 

 

 

 

 

 

 

 

 

Offsets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0,1, 2, 3

 

Offset

 

Offset

Offsets

Offsets

Offsets

Offsets

Offsets

1

2

3

4

5

6

 

 

Line

Exten.

 

0

 

0

0, 1, 2,

0, 1, 2

0, 1, 2,

0, 1, 2

0, 1, 2,

(offset)

(DS30 #)

 

 

 

 

 

 

 

 

 

3

 

 

3

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Picks

0

 

Picks

 

0

0

0

 

0

0

 

0

on

on

on

on

on

on

0

 

1

up

 

 

up

 

 

1

 

1

1

 

1

1

on

on

off

on

on

on

1

2

ch. #3

 

 

ch. #3

 

 

 

 

2

 

 

 

 

2

2

 

2

2

 

2

on

off

on

on

on

on

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

3

 

 

 

on

off

off

on

on

on

3

 

0

Picks

0

 

Picks

 

0

0

0

 

0

0

 

0

on

on

on

on

on

off

0

 

1

up

 

 

up

 

 

1

 

1

1

 

1

1

on

on

off

on

on

off

1

3

ch. #4

 

 

ch. #4

 

 

 

 

2

 

 

 

 

2

2

 

2

2

 

2

on

off

on

on

on

off

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

3

 

 

 

on

off

off

on

on

off

3

 

0

Picks

0

 

Picks

 

0

0

0

 

0

0

 

0

on

on

on

on

off

on

0

 

1

up

 

 

up

 

 

1

 

1

1

 

1

1

on

on

off

on

off

on

1

4

ch. #5

 

 

ch. #5

 

 

 

 

2

 

 

 

 

2

2

 

2

2

 

2

on

off

on

on

off

on

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

3

 

 

 

on

off

off

on

off

on

3

 

0

Picks

0

 

Picks

 

0

0

0

 

0

0

 

0

on

on

on

on

off

off

0

 

1

up

 

 

up

 

 

1

 

1

1

 

1

1

on

on

off

on

off

off

1

5

ch. #6

 

 

ch. #6

 

 

 

 

2

 

 

 

 

2

2

 

2

2

 

2

on

off

on

on

off

off

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

3

 

 

 

on

off

off

on

off

off

3

 

0

Picks

0

 

Picks

 

0

0

0

 

0

0

 

0

on

on

on

off

on

on

0

 

1

up

 

 

up

 

 

1

 

1

1

 

1

1

on

on

off

off

on

on

1

6

ch. #7

 

 

ch. #7

 

 

 

 

2

 

 

 

 

2

2

 

2

2

 

2

on

off

on

off

on

on

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

3

 

 

 

on

off

off

off

on

on

3

 

 

 

 

 

 

 

0

0

0

 

0

0

 

0

on

on

on

off

on

off

0

7*

 

Not

 

 

Not

 

 

1

 

1

1

 

1

1

on

on

off

off

on

off

1

supported

supported

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2

 

2

2

 

2

on

off

on

off

on

off

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

3

 

 

 

on

off

off

off

on

off

3

MBM set to offset 0 MBM set to offset 1 MBM set to offset 2 MBM set to offset 3

Each shaded square represents the amount of the DS30 buses, and the offset, which the MBM requires.

*If your system is configured with a 3/5 DS30 split, DS30 bus 7 is not available to MBM and DS30 bus 6 is not supported for the 4x16 and DDIM.

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Nortel Networks BCM 4.0 quick start Use and to set the DIP switches for the MBMs, Possible trunk MBM DIP switch settings

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