Nortel Networks 400 4.0 Single-density modules Double-density modules, DS30 bus/ offset set to

112Chapter 8 Installing a media bay module (MBM)

Figure 66 Space requirements for MBMs, on a per-DS30 configuration

Trunks (lines)

Stations (extensions)

1 DS30 bus/ offset set to 0

Single-density modules

Double-density modules

1 DTM per DS30

1 DS30 bus/offset set to 0, 1, or 2

3 BRIs per DS30

1 DS30 bus/ offset set to 0

1 DSM 16 per DS30

1 DS30 bus

4 DD ASM 8s or GASM8s per DS30

1 DS30 bus

1 DS30 bus/offset set to 0, 1, 2, or 3

4 CTMs per DS30

1 DS30 bus/offset set to 0, 1, or 2

CTM8s max of 2 offsets per DS30

2 DS30 buses/

offset set to 0

1 DSM 32 per 2 DS30s

2 DD DSM 16+ per DS30

1 DS30 bus

1 DD DSM 32+ per DS30

1 DS30 bus/offset set to 0, 1, 2, or 3

4 GATM4s per DS30

1 DS30 bus/offset set to 0, 1, or 2

GATM8 max of 2 offsets per DS30

Figure 67 on page 113 illustrates the space requirements for special MBMs.

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