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Telephony Hardware Selection and Settings 325
Installation and Maintenance Guide
Figure 197 Assigning single-density modules to the DS30 channel hierarchy
2
3
4
5
6
7*
DS30
buses
DN assignment
begins with Start DN
(default: 221)
Station modules are
assigned starting at the top
(DS30 2) of the available
media bay module DS30
buses.
Exception: DSM 16 or DSM 32
used for Companion. In this
case, DSM 32 must be set to
DS30 6. DSM 16 can be
installed in both DS30 6 and 7.
If DS30 7 is not available you
cannot use a DSM32.
Lines start at 61 on
DS30 7
Trunk modules are
assigned starting with the
last available media bay
module DS30 bus (DS30 6 or
7, depending on the channel
split in effect).
Exception: a 4X16 module or
a DDIM cannot be assigned
to the last DS30 bus.
3/5 channel split
* DS30 7 is not available to any module if your system has been
configured with a 3/5 channel split
Modules that require two DS30 buses, such as the DSM32 and the
4X16, must be assigned to DS30s higher than 6, to allow
accommodate all the resource requirements.
Companion: Only a maximum of 16 Companion base stations
(30 handsets) can be registered on a system configured with a
3/5 split.
2
3
4
5
6
7*
DS30
buses
CTM
4X16
DSM 32
Companion
Example of
North American-
based setup
After you choose your modules, choose where
to assign them on the DS30 buses
Example of a
European- based
setup
DSM 32
DSM 16
DS30 5 supports the
station module part of
the 4X16
BRI
6
DSM 32
DSM 32
Companion
BRI
DECT
DSM 16
Companion
CTM
CTM