Nortel Networks BCM200/400 - Manual (Page 114)

114 Chapter 8 Installing a media bay module (MBM)
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Figure 67 Space requirements for MBMs, on a per-DS30 configuration
Figure 68 on page 115 illustrates the space requirements for special MBMs.
Trunks (lines) Stations (extensions)
1 DD DSM 32+
per DS30
2 DD DSM 16+
per DS30
4 DD ASM 8s or
GASM8s per
DS30
1 DSM 16
per DS30
1 DSM 32
per 2 DS30s
1 DS30 bus/
offset set to 0
2 DS30 buses/
offset set to 0
1 DS30 bus
1 DS30 bus
1 DS30 bus
1 DS30 bus/offset
set to 0, 1, or 2
GATM8 max
of 2 offsets
per DS30
1 DS30 bus/offset
set to 0, 1, 2, or 3
1 DS30 bus/offset
set to 0, 1, or 2
CTM8s
max of 2
offsets per
DS30
4 GATM4s
per DS30
4 CTMs
per DS30
1 DS30 bus/offset
set to 0, 1, 2, or 3
1 DS30 bus/offset
set to 0, 1, or 2
3 BRIs
per DS30
1 DS30 bus/
offset set to 0
1 DTM per
DS30
Single-density modules Double-density modules