AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 213

Applications
Behind Switch Mode
The dedicated fax line can be administered only to the MERLIN PFC
Telephone fax extension,
The dedicated fax line cannot be assigned to a pool.
The dedicated fax line should be assigned as the secondary line on the
MERLIN PFC Telephone.
Considerations and Constraints
The MERLIN PFC Telephone requires two analog ports: one for the voice
line and one for the fax line.
The telephone wiring between the system controller or control unit and
the MERLIN PFC Telephone must be installed in the same building.
The MERLIN PFC Telephone cannot be installed outside of building.
All button assignments except the one for the fax line must be removed
from the fax extension.
The Voice Announcement feature should be removed from the fax
extension.
Feature Interactions
Ringing Options
If the dedicated fax line is shared for outgoing calls only, the Ringing
Option must be administered to No Ring at any station except the
MERLIN PFC Telephone fax extension.
MERLIN PFC Telephone
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