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Page 316 of 544 M3900 telephone series
553-3011-100 Standard 14.00 January 2002
External Alerter interface
The External Alerter provides an interface to a remote ringer device which is
installed in a location separate from the telephone. The External Alerter
interface is not a remote ringer, but provides access to standard, off-the-shelf
remote ringer devices or visual indicator.
You can program the External Alerter interface to activate a ringer (or light)
when the telephone rings or when the telephone is in use (off-hook).
Brandline insert
The M3901 Series Meridian Digital Telephone contains a removable insert
made to accommodate your company logo.You can order blank Brandline
Inserts with your company logo. The M3903, M3904 and M3905 supports
electronic brandline.
Key-based Add-on Module (KBA)
The Key-based Add-on Module attaches to the M3904 and M3905 telephone.
The module provides 22 extra line and/or feature keys. You can attach a
maximum of two KBAs to the M3904 and M3905.
Analogue Terminal Adapter (ATA)
The Analogue Terminal Adapter lets you connect an analogue device such as
a fax machine or modem to your telephone. You can then have simultaneous
use of the telephone and the analogue device. The ATA can be used with the
M3902, M3903, M3904, and M3905 models.
Meridian Communications Adapter (MCA)
The Meridian Communications Adapter lets the user connect the telephone to
a personal computer or terminal. This allows the telephone to exchange data
between your computer and other computers. The M3902, M3903, M3904,
and M3905 models support the MCA.
Accessory Keying
A maximum of two cartridge accessories can plug into the slots at the rear of
the terminal stand. The ports provide access to a SIDL/SDI ports, USART
port, and GPIO0. Two accessories cannot access the same serial port. The
mechanical keying prevents this situation from occurring. Refer to the figure
below for a better understanding of mechanical keying.