User's Manual
132 Chapter 8 Installing a media bay module (MBM)
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DSM16/DSM 32 single density switch settings (new system)
The following table shows the switch settings for DSM modules deployed as single density on a
new system running BCM 3.0 or later software.
DSM16+ and DSM 32+ double density switch settings (new system)
The following table shows the switch settings for DSM-plus modules deployed as double density
on a new system (BCM 3.0 or later software).
Note: DSM modules deployed prior to BCM 3.0 are all single density and cannot be set to
double density, but they can still be used on new systems. The DSM 16+ and DSM32+
modules can be set to either density.
Table 44 DSM16/DSM16+ and DSM32/DSM32+ single density switch settings (new system)
Select
DS30
bus
Enter these switch
settings
*To assign these DNs to
DSM 16 or DSM 16+
To assign these DNs to
DSM 32 or
DSM 32+
Top Bottom
123456
2
on on on on on on
221-236 253-268 221-236
3
on on on on on off
253-268 285-300 253-268
4
on on on on off on
285-300 317-332 285-300
5
on on on on off off
317-332 349-364 317-332
6
on on on off on on
349-364 381-396 349-364
**7
on on on off on off
381-396 N/A
* 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 split, you cannot use DS30 7 for the DSM 16 module. You cannot configure
the DSM32 module for DS30 6 because the second set of DNs cannot be accessed.
Note: DSM modules deployed prior to BCM 3.0 are all single density and cannot be set to
double density, but they can still be used on new systems. The DSM 16+ and DSM32+
modules can be set to either density.
Table 45 DSM 16+ and DSM32+ double density switch settings (new system) (Sheet 1 of 2)
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)
12 3456
2
off on on on on on A
221-236 A 237-252
off on off on on on B
237-252 B 221-236
3
off on on on on off A
253-268 A 269-284
off on off on on off B
269-284 B 253-268
4
off on on on off on A
285-300 A 301-316
off on off on off on B
301-316 B 285-300