Simplex 2975-9053

The Firefighter telephone systems provide two-way communications for facilities. Wh ere radio communications may not b e available or a re unreliable. They a re typically used du ring active firefighting conditions, du ring a fire alarm investigation. Or du ring fire alarm system inspection and test.

Simplex 2975-9053

Operation requires a dedicated two-wire circuit, typically using twisted, shielded pair wiring. To minimize electrical noise pickup from adjacent wiring. Depending on the master control, up to 6 remote phones. And the master can b e in simultaneous use. Additional information i s found in Installation Instructions 579-226 and on data sheet S4100-0034. Which describes the 4100ES Master phone control operation.

Wh en remote phones call the master. A call tone i s provided to verify that the request is in process.

A Two-wire telephone circuits supervised and power-limited

Compatible with 4100ES and 4100U Series, and legacy 4100/4120 Series Simplex® Firefighter Telephone Controls

Phone assemblies are available for:

Surface or flush mounting, (NOTE: backbox i s ordered separately)

Or as separate phone sets for plugging into dedicated remote phone jack stations

Available options:

A Break-rod door latch allows access du ring emergencies

Armored cable models to minimize vandalism

Push-to-talk (PTT) phones provide input control at the remote phone

Magnetic latch models with “Fire Warden Station” marking and LED call indicator