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Keltron offers a complete selection of coded fire alarm equipment - sometimes referred to as McCulloh or l00mA coded circuits - that is specifically designed to enable efficient alarm monitoring in municipalities and large industrial facilities.

Our coded fire alarm equipment enables a remote operator to locate the source of the alarm from a fire alarm control panel (FACP) by outputting a coded signal on a bell loop. Equipment includes Form Four panels that power and supervise the coded loop system and decoders for annunciation.

We offer repeater/transmitters and receivers that operate via standard telephone lines or wire pairs to enable coded signal transmissions to remote locations such as a fire department or remote station fire alarm system.

Keltron's decoders can also be configured to provide a data or discrete hardware output for each received code - a code-to-point translator configuration for applications that require integration.

CSD703 Coded Signal Decoder >

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