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Chapter 7 Setting media bay module DIP switches 121
Installation and Maintenance Guide
Line and extension numbers for specific modules
The switch settings on the media bay module determine the line numbers and extension numbers
the modules use. The tables in this section show the correspondence between DS30 channel
numbers, switch settings, and the line/extension numbers for each type of module. The DS30
channel and switch settings correspond with Table 15 on page 119.
DTM switch settings
Although DTMs have more than 16 lines, they occupy only one DS30 channel per DTM.
Table 16 shows the switch settings for each DS30 channel, and the resulting line assignments.
Table 17 shows the switch settings for each DS30 channel, and the resulting line assignments.
Table 16 DTM switch settings (T1)
Select
DS30
channel
Enter these switch settings
To assign
these lines
Select
DS30
channel
Enter these switch settings
To assign
these lines
123456 123456
2
on on on on on on
211-234
5
on on on on
121-144
off off
3
on on on on on
181-204 6
on on on on on
91-114
off off
4
on on on on on
151-174
***7
on on on on
61-84
off off off
***If your system is configured with a 3/5 DS30 channel split, DS30 channel 7 is not available.
Table 17 DTM switch settings (North American PRI)
Select
DS30
channel
Enter these switch settings
To assign
these
lines
Select
DS30
channel
Enter these switch settings
To assign
these
lines
123456 12 3 456
2
on on on on on on
211-233 5
on on on on
121-143
off off
3
on on on on on
181-203 6
on on on on on
91-113
off off
4
on on on on on
151-173 ***7
on on on on
61-83
off off off
***If your system is configured with a 3/5 DS30 channel split, DS30 channel 7 is not available.