Trilithic EASyCAST, Hardware Installation Manual

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EASyCAST - Installation Manual
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Contact closures - Used for distribution/routing equipment that requires a contact closure for
activation, or for operator alarms during EAS operations.
(G) Ground or shield
Contact closure 1, transmitting EAS - May be used to trigger external switching
equipment or to indicate that an EAS message is being transmitted from the EASyCAST.
This contact closure activates if either EAS audio or the internal character generator is
active.
(C1) Common contact
(NC1) Normally-closed contact
(NO1) Normally-open contact
Contact closure 2, transmitting EAS audio - May be used to trigger external audio
switching equipment or to Indicate that the audio portion of an EAS message is being
transmitted from the EASyCAST.
(C2) Common contact
(NC2) Normally-closed contact
(NO2) Normally-open contact
Contact closure 3, waiting to transmit - Indicates an EAS message has been received
and is awaiting a user or automation trigger to send the message.
(C3) Common contact
(NO3) Normally-open contact
Contact closure 4, receiving EAS - Indicates an EAS message is incoming and has
passed the retransmission filters.
(C4) Common contact
(NO4) Normally-open contact
(G) Ground or shield
MODEM/telephone expansion (optional Ethernet and telephone interface) - Provides
an Ethernet interface for remote configuration, operation, and maintenance of the EASyCAST,
as well as providing digital EAS messages across a network to a stations audio and video
equipment and allowing distant monitoring stations to be transported over Ethernet to the
EASyCAST. In addition to the Ethernet, a telephone interface allows DTMF or data
communication for remote control of the EASyCAST, and remote generation of emergency
messages.