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340 Telephony Hardware Selection and Settings
P0993133 03
DSM16+ and DSM 32+ double density switch settings (upgraded system)
The following table shows the switch settings for DSM-plus modules deployed as double density
on a system that has been upgraded from 2.5 to 3.0.
Companion has not be included in this table because you cannot use modules set to double density
to deploy Companion.
Note: DSM modules deployed with 2.5 systems are all single density and cannot be set to
double density. The DSM 16+ and DSM32+ modules can be set to either density.
Table 63 DSM 16+ and DSM32+ double density switch settings for 2.5 systems upgraded to 3.0
Select
DS30
bus
Enter these switch settings
**To assign these
DNs to
DSM 16+:
(A= DSM1, B=DSM2)
To assign these DNs to
DSM 32+
(connectors: A=top,
B = bottom)
1 2 3 456
2
off on on on on on A
221-236 A 377-392
off on off on on on B
377-392 B 221-236
3
off on on on on off A
237-252 A 393-408
off on off on on off B
393-408 B 237-252
4
off on on on off on A
253-268 A 409-424
off on off on off on B
409-424 B 253-268
5
off on on on off off A
269-284 A 425-440
off on off on off off B
425-440 B 269-284
6
off on on off on on A
285-300 A 441-456****
off on off off on on B
441-456**** B 285-300
***7
off on on off on off A
301-316 A 457-472*****
off on off off on off B
457-472***** B 301-316*****
**The extensions listed are based on a three-digit DN with a Start DN of 221. If your system has longer DNs or a
different Start DN, enter the range in the blank column.
***If your system is configured with a 3/5 channel split, you cannot use DS30 7 for the DSM 16 module.
****Available only on systems set to FDD. Modules cannot be set to double density on systems set to PDD. Refer to
the previous chart for the switch settings for single density and PDD.
*****Available only on systems set to FDD, with a 2/6 DS30 split. Modules cannot be set to double density on systems
set to PDD. Refer to the previous chart for the switch settings for single density and PDD.