AT&T 518-600-016 Telephone User Manual


 
Hands-Free Unit (HFU).
Provides the voice terminal
user with full speakerphone capability. This includes
hands-free telephone conversation, on-hook dialing,
monitor-on-hold, and teleconferencing at a short
distance from the voice terminal. To use this
accessory, you must program A
U
t
O
Answer- Intercom.
The HFU is for use with all analog voice terminals
except 5-button and 10-button HFAI. An HFU used
with a 7406D voice terminal requires a local power
unit.
Headset-and-Headset- Adapter.
Enables a user
to
answer and listen to calls without lifting the handset.
The headset and headset adapter is for use with all
analog voice terminals except 5-button and 10-button
HFAI.
In-Range, Out-of-Building (IROB) Analog Voice
Terminal Protectors.
A voice terminal can be placed
in another location outside of the main building but
within 1000 feet of the MERLIN H system control
unit. IROB protectors protect the control unit and
voice terminal from exposure to lightning, contact with
power lines, and power currents induced by nearby
power lines.
Loudspeaker Paging System.
An optional
loudspeaker paging system allows people with
MERLIN II system voice terminals to page co-workers
and/or make announcements through loudspeakers.
Music Coupler.
A music coupler connects a music
source (such as a cassette player) to the MERLIN II
system. It also provides a secondary bridged
connection to provide Music-on-Hold. In addition, it
allows the music source to be connected to a
loudspeaker paging system to provide background
music at the same time.
1-34 System Hardware