Quantcast Sound Powered Phones

 

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Public Address (Paging) Systems
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Guide to Good Practices for Communications - index
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Dial Telephones


DOE-STD-1031-92
Prior to assigning a portable radio to a work station, it should be tested from all
areas within the work station. This test will ensure that communications can be
established, especially during emergency situations. Because of structural
interference (e.g., concrete walls, large equipment, I-beams), power output of the
radio may be insufficient to communicate. In this situation, consideration may be
given to raising the output power of the radio. If a portable radio cannot be used
from specific areas within a work station, alternate communication equipment must
be supplied.
Since portable radios are a large contributor to control area noise levels and radio
frequency interference, their use must be controlled. A list of all electronic cabinets
that are susceptible to radio frequency interference should be established and
posted with signs prohibiting use. It is advisable not to key portable radios within
approximately 10 feet of posted electronic cabinets.
Facilities may dedicate specific channel frequencies for different organizations. For
example:
Channel 3 (three) for Operations Department personnel and for other
personnel when reporting abnormal operational conditions to the control
area (In this case the control area should continuously monitor channel
three.)
Channel 4 (four) for dedicated support groups, such as maintenance and
facility services
Channel 5 (five) for Security Force personnel.
4.4.2
Sound Powered Phones
Sound powered phones allow communications between two or more specific
stations without the need for external power. Sound powered phones may be used
with party-line or point-to-point communication systems. Since sound-powered
phones require no external power, they can be used during power outages. When
available, this is the preferred communication equipment for routine testing, post-
maintenance testing, or special operational situations that require coordination
through communication.
4.4.3
Personal Pagers
Personal pagers may be provided to operating personnel working in areas where
the facility paging system cannot be heard. Personnel pagers that vibrate and can
be felt may also be used in work areas with high noise levels.
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