any voice intercom call.
c. Within each patient bedroom, on/off control of the overbed reading
light [and indirect room light]. On/off control shall use a single push
button toggle switch [for the reading light, and a second single push
button toggle switch for the indirect room light].
d. All NC Subsystems shall have the same basic feature package for
required in a particular patient care area shall not be activated on the NC
Subsystem serving the area at the time of installation. However, the
medical facility user shall be able to easily program the activation of
these inactive features at any time thereafter without any assistance from
the system Contractor.
1.4.3.2
Voice Intercom Features
a. Master stations and audio call stations shall be equipped for voice
intercom. Audio call stations include patient stations, staff stations,
and duty stations.
b. Voice intercom shall be full-duplex to provide clear and distinct
bi-directional, simultaneous two-way communications between the calling and
answering stations throughout the system. Simplex talk/listen intercom
systems that utilize voice activated (VOX) or other switching circuits that
permit transmission in only one direction at a time, or which may clip
portions of a two-way conversation, shall not be permitted.
c. Through an interface with a Wireless Telephone System, voice
station in the system.
d. Audio Call Stations: These stations shall provide a full-duplex
intercom with the serving master station, and with wireless phones
interfaced with the system. The audio call station microphone shall be
whisper-sensitive capable of picking up very soft-spoken conversations from
anywhere in the room. The audio call station speaker shall be of permanent
magnet design, of sufficient quality to provide low distortion voice
reproduction anywhere in the room at reasonable volume levels.
e. Master Stations: Master stations shall be equipped with a telephone
style handset with a self-coiling cord and cradle assembly with built-in
hookswitch. The handset shall provide a natural, full-duplex,
uninterrupted voice intercom with all audio call stations and master
stations in the system. No voice activated switching or push to talk
circuitry shall be permitted at the master station. The handset earpiece
volume shall be adjustable. Master Stations shall include the capability
to plug-in and utilize a headset in place of the handset. The headset
shall include a noise canceling microphone, ear cushions, and a volume
control, and shall provide the same quality natural, full-duplex voice
intercom as provided by the handset. The headset shall be fully adjustable
to fit the attendant.
f. There shall be at least two simultaneous full-duplex voice intercom
paths per NC Subsystem to allow voice intercom between a master station and
an audio call station while there is a simultaneous voice intercom between
a wireless phone and another audio call station.
g.
A separate, system wide, full-duplex voice intercom path shall serve as
SECTION 16731A
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