
104 Chapter 7 Setting media bay module DIP switches
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• Switch 4-8: country settings are based on the country profile assigned to the system. Ensure
that the Dip switch settings are correctly set to ensure proper operation.
Refer to Table 22 for detailed switch settings.
DSM switch settings
The DSMs support 16 internal lines. The DSM16 and DSM32 are legacy modules only support
single density on a bus. Therefore, you can only install one DSM16 per DS30 bus, and one
DSM32 for two DS30 bus blocks. For this configuration, the offset is always 0.
The DSM16+ and DSM32+ were introduced in conjunction with BCM 3.0 software. These
modules can be configured in either single density or double density mode. In double density
mode, you can install two DSM16+ modules (offset 0 and 1) or one DS32+ (offset is still 0) on one
DS30, providing 32 DN lines per bus.
Table 23 shows the switch settings for each DS30 bus, and the dialing numbers (DNs) assigned to
each bus for systems that have been upgraded from BCM 2.5 software to BCM 3.0 or newer
software.
Table 24 shows the switch settings for each DS30 bus and the DNs assigned to each bus for
systems that were new with BCM 3.0 or newer software.
Table 22 GASM8 country select dip switch settings
Configuration dip switch settings
Country profile
Mode Select dip
switch settings
Country Select
dip switch settings
1 2 3 4 5 6 7 8
Standard mode
off off off off off off off off North America
off off off off off off off
on
United Kingdom
off off off off off off
on
off Australia
off off off off off off
on on
Poland
Note: Dip switch settings now shown in the table will default to the North American profile.
Enhanced mode
on
off off off off off off off North America
on
off off off off off off
on
United Kingdom
Note: Dip switch settings now shown in the table will default to the North American profile.
Warning: Ensure that switches 1, 2, and 3 are always set to On, otherwise your module
will not function.
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