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GAI-Tronics Call/Talk® 通讯系统提供了耐用的、操作简便的呼叫和对讲功能. Plant personnel use
the paging capability to locate individuals throughout
the facility, Further communication then occurs over the
party line, allowing two or more people to converse
without being heard over the speakers. GAI-Tronics
offers two variations of Call/Talk®: Single-Party (one
party line), or Multi-Party (five party lines for up to
five simultaneous two-way conversations).
The
GAI-Tronics Call/Talk® System is a distributed amplifier
system. Each indoor, outdoor, or hazardous area wall
station contains a speaker amplifier for driving
speakers. GAI-Tronics Call/Talk® System is completely
modular: every station consists of an enclosure, a cover
plate, a power supply, and a speaker amplifier module.
In addition, Desktop, Desk-Edge, and Flush-Mount
stations include a separate subset equipped with a cable
to plug into the remote enclosure.
All Call/Talk® station amplifiers are
electrically paralleled; systems may be expanded by
extending cable from the nearest amplifier or junction
box. A single resistance load is required for each page
and party line circuit to establish line impedance and
minimize effects of stray induced hum or noise signals.
For ease of load adjustment, a GTC line balance assembly
should be placed near the electrical center of the
system, and near an indoor handset station in a quiet
area.
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