2. Type 2: Single conversation path, central
control system: This type of system is applicable
to relatively large systems (more than approximately
30 stations) where only one conversation path is
required and usually only one master station. This
type of system is applicable to BEQs.
3. Type 3: Multiple conversation paths, central
control system: This type of system is applicable
to various size systems where a large portion of the
total quantity of stations are master stations. A
limited quantity of conversation paths may be
specified as required.
4. Type 4: Paging system: This type of system
provides one-way communications, using conventional
public address system components. By proper
inclusion of radio components it applies to radio
paging.
5. Type 5: Public address and monitoring system
(for brigs): This type of system provides two-way
paging and monitoring communications, using
conventional public address system components.
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NOTE: Require shop drawings to supplement or
clarify contract drawings. Contract drawings should
clearly indicate approximate locations of all
stations, conduit, and junction boxes. State
precisely in the project specifications what is to
be shown in detail drawings. If contract drawings
do not show the locations of master stations, remote
stations, junction boxes, and other system
components, then the number and type of stations,
junction boxes, and the distance between them shall
be included as a part of the contract specifications.
The guide specification covers intercommunication
system and lists desirable features of electronic
systems; however, not all manufacturers produce
products with all the listed features.
Manufacturers catalogs should be consulted for the
features required. Where intercommunication systems
are to be used with other communication devices,
consideration must be given to the electromagnetic
capability of the intercommunication system. This
intercommunication system guide specification does
not include all features and design parameters which
are available. However, specifying equipment
configuration or design parameters which are
unnecessarily restrictive to competition should be
avoided.
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SECTION 16822N
Page 4
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