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Page 374 of 532
Expansion Modules
External Alerter and Recording Interface
553-3001-367
Standard 1.00
Display-based Expansion Module
The Display-based Expansion Module (DBA) provides additional Line/
Programmable Feature Keys (soft-labeled) for the M3904 and M3905. The
DBA supports up to 3 layers of 8 additional keys for a total of 24 keys.
Note: Refer to Table 59 on page 370 for a list of the telephones with
which the Display-based Expansion module is compatible.
A Page fixed key located on the DBA allows a user to switch between the
three layers of soft-labeled Programmable Feature Keys. Visual indication is
also provided to indicate which page (or layer) of soft-labeled Programmable
Feature Keys is in use. Feature activation and deactivation on the DBA Keys
is the same as the Programmable Feature Keys on the M3904 and M3905.
The user may change the feature key labels by selecting "Change feature key
label" from the Options List on the M3904 or M3905.
The Display-based Expansion Module is only supported on the M3904 and
M3905. You can attach a maximum of one Display-based Expansion Module
to an M3904 or M3905 set.
Key-based Expansion Module
The Key-based Expansion Module (KBA) attaches to the M3904 and M3905
Meridian Digital Telephones. The KBA provides 22 additional Line/Feature
Keys. You can attach a maximum of two Key-based Expansion Modules to
the M3904 and M3905.
The External Alerter and Recording Interface provides an interface for a
remote ringer device installed in a location separate from the telephone. The
External Alerter and Recording Interface provides access to a standard,
off-the-shelf remote ringer, call status relay, audio recorder or visual
indicator.
October 2003
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