Table 28 – Nortel Networks BCM200/400 User Manual
Page 120
120
Chapter 8 Installing a media bay module (MBM)
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show possible DS30 and offset configurations for each type of trunk MBM,
and the corresponding switch settings. For FEM settings, refer to
.
Table 28 Possible MBM DIP switch settings for 4x16, 8x16, DDIM, DTM, CTM, and GATM
DS30
bus #
Trunk MBM positioning
DIP switch settings
Offsets
4x16
Offsets
0,1, 2, 3
Line
Exten.
8x16
Offsets
0,1, 2
Line
Exten.
DDIM
Offset
0
CTM
Offsets
0, 1, 2, 3
CTM8
Offsets
0, 1, 2
GATM
Offsets
0, 1, 2, 3
GATM8
Offsets
0, 1, 2
1
2
3
(offset)
4
5
6
(DS30 #)
2
0
Picks
up
ch. #3
0
Picks
up
ch. #3
0
Picks
up
ch. #3
0
0
0
0
on on on on on on
0
1
1
1
1
1
1
on on off on on on
1
2
2
2
2
2
2
on off on on on on
2
3
3
3
on off off on on on
3
3
0
Picks
up
ch. #4
0
Picks
up
ch. #4
0
Picks
up
ch. #4
0
0
0
0
on on on on on off
0
1
1
1
1
1
1
on on off on on off
1
2
2
2
2
2
2
on off on on on off
2
3
3
3
on off off on on off
3
4
0
Picks
up
ch. #5
0
Picks
up
ch. #5
0
Picks
up
ch. #5
0
0
0
0
on on on on off on
0
1
1
1
1
1
1
on on off on off on
1
2
2
2
2
2
2
on off on on off on
2
3
3
3
on off off on off on
3
5
0
Picks
up
ch. #6
0
Picks
up
ch. #6
0
Picks
up
ch. #6
0
0
0
0
on on on on off off
0
1
1
1
1
1
1
on on off on off off
1
2
2
2
2
2
2
on off on on off off
2
3
3
3
on off off on off off
3
6
0
Picks
up
ch. #7
0
Picks
up
ch. #7
0
Picks
up
ch. #7
0
0
0
0
on on on off on on
0
1
1
1
1
1
1
on on off off on on
1
2
2
2
2
2
2
on off on off on on
2
3
3
3
on off off off on on
3
7***
Not
supported
Not
supported
Not
supported
0
0
0
0
on on on off on off
0
1
1
1
1
on on off off on off
1
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 bus, and the offset, which the MBM requires.
***If your system is configured with a 3/5 DS30 bus split, DS30 bus 7 is not available to MBM and DS30 bus 6 is not
supported for the 4x16 and DDIM.
***The offset for DTM is always zero (0).