AT&T MERLIN LEGEND Installation & Maintenance Manual page 602

Adjuncts
Group Calling Delay Announcement
Connected to the system through a single-line telephone jack, an
MFM port on an MLX telephone, or a GPA on an analog multiline
telephone. An industry-standard announcement device, such as
a DA-5 Digital Voice Announcer, announces to a caller that
calling groups are busy or provides Night Service information.
Dial Dictation
Connected to the system through a single-line telephone jack, an
MFM port on an MLX telephone, or a GPA on an analog multiline
telephone. Dial dictation can also be connected by using a
commercially available "trunk adapter" or UPAM with a loop-start
(LS) CO line jack and an external power supply unit. Dial
dictation equipment requiring contact closure cannot be
connected via the UPAM.
Fax Machine
Connected to the system through a single-line telephone jack or
an MFM port on an MLX telephone. Use with a GPA is not
recommended because the fax machine cannot auto dial
through the GPA. The fax machine originates and receives fax
calls independently of the associated telephone. Calls are dialed
with the fax machine's dialpad or from an associated single-line
telephone.
Headset
Connected to a telephone
without lifting the handset.
used with a MLX telephone, the headset connects to the same
jack as the telephone handset. Analog telephones operate with a
502C adapter connected to the OTHER jack on the telephone, or
without an adapter by plugging the headset into the handset
jack.
for answering calls automatically
When a SPIRIT StarMate E Headset is
Adjuncts B-15