Nortel Networks M3905 - Manual (Page 82)

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Accessories for the M3905
External Alerter and Recorder Interface
The External Alerter Interface lets you connect a third party device (remote ringer,
indicator light or recording device) to your telephone. The M3905 Call Center
Telephone uses the External Alerter and Recorder Interface accessory cartridge.
Key-based Expansion Module
The Key-based Expansion Module provides additional feature keys. You can add
up to two Key-based Expansion modules to your telephone, for a total of 75
feature keys.
Meridian Communications Adapter (MCA)
The MCA lets you connect your telephone to a personal computer or terminal. You
can then use your telephone to exchange data between your computer and other
computers.
Note:
The Meridian SL-100 system does not support the Meridian Communication
Adapter (MCA).