Installation guide

Manual Multipurpose Adapter
The Manual Multipurpose Adapter (illustrated below) permits these devices to be connected to
a voice terminal:
Modems and data terminals with built-in modems. (An extra telephone is not needed with
an AT&T 212A-type modem with a special cable. Automatic answering modems cannot be
used.)
Basic Touch-Tone or rotary telephones.
Speakerphones and conference phones.
Touch-Tone automatic dialers.
Cordless telephones.
Facsimile machines.
Voice light: Goes on when
modular connector on back is
active.
Voice switch: Pressed to access
devices attached through the
modular jack on the back.
Data switch: Pressed to access
the 212A-type modem connector
on the back; deactivates the
modular jack on the back.
Data light: Goes on when 212A-
type modem connector is active.
Top
2-pair modular jack: Connects
the devices listed above.
25-pair connector: Connects
212A-type modems.
Jack: Connects cord to the
“Other” jack on the voice terminal.
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CIB 3008
17