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M3900 Series Meridian Digital Telephones Description, Installation and Administration
Accessory Connection Module (ACM)
The Accessory Connection Module provides the interface for adding the
Analog Terminal Adapter, External Alerter and Recorder Interface,
Computer Telephony Integration Adapter, and Personal Directory PC Utility.
The ACM is available for the M3902, M3903, M3904 and the M3905. The
ACM requires a wall transformer to power any of the accessory cartridges.
You must order the wall transformer separately from your Nortel Networks
distributor to power the ACM and/or the M3900 accessories.
Headset
(amplified)
connects through
the headset jack
Supports Supports Supports Supports
Handset Standard Standard Standard Standard
Note 1: M3905 Phase III firmware and X11 Release 25.40 or later software are required to support the
Personal Directory PC Utility, DBA, and CTIA accessories.
Table 7
Accessory compatibility (Part 1 of 2)
ATA
Key-based
Expansion
Module
Personal
Directory
PC
Utility
External
Alerter and
Recording
Interface
Display-
based
Expansion
Module
CTIA
Analog
Terminal
Adaptor
(ATA)
NA YES YES YES YES YES
Key
Expansion
Module (2)
YES NA YES YES NO YES
Table 6
M3900 Series telephone accessories compatibility (Part 2 of 2)
Accessory
X11
release
introduced
M3900
phase
introduced
M3902 M3903 M3904 M3905