Assigning line and extension numbers, Dtm switch settings – Nortel Networks BCM200/400 User Manual
Page 124
124
Chapter 8 Installing a media bay module (MBM)
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4
You are now ready to install the MBMs into the BCM system. Refer to
telephony equipment” on page 181
for details.
Assigning line and extension numbers
The switch settings on the MBM determine the line numbers and extension numbers the MBMs
use. The tables in this section show the correspondence between DS30 numbers, switch settings,
and the line and extension numbers for each type of MBM. The DS30 number and switch settings
correspond with
DTM switch settings
Although DTMs have more than 16 lines, they occupy only one DS30 bus per DTM.
shows the switch settings for each DS30 bus, and the resulting line assignments.
shows the switch settings for each DS30 bus, and the resulting line assignments.
Tip: Create a label with the DS30 bus and DIP switch settings. Affix the label to the front
of the MBM as a quick reference during maintenance activities.
Table 31 DTM switch settings (T1)
Select
DS30
bus
Enter these switch settings
To
assign
these
lines
Select
DS30
bus
Enter these switch
settings
To assign
these lines
1
2
3
4
5
6
1
2
3
4
5
6
2
on
on
on
on
on
on
211-234
5
on
on on
on
off off
121-144
3
on
on
on
on
on
off
181-204
6
on
on on
off
on on
91-114
4
on
on
on
on
off
on
151-174
***7
on
on on
off
on
off
61-84
***If your system is configured with a 3/5 DS30 split, DS30 bus 7 is not available.
Table 32 DTM switch settings (North American PRI)
Select
DS30
bus
Enter these switch settings
To assign
these
lines
Select
DS30
bus
Enter these switch settings
To assign
these
lines
1
2
3
4
5
6
1
2
3
4
5
6
2
on
on
on
on
on
on
211-233
5
on
on
on
on
off off
121-143
3
on
on
on
on
on
off
181-203
6
on
on
on
off
on
on
91-113
4
on
on
on
on
off
on
151-173
***7
on
on
on
off
on
off
61-83
***If your system is configured with a 3/5 DS30 split, DS30 bus 7 is not available.