Edwards EST SIGA-OSHCD SF 23/12 Each Siemens FDOOT441 unit is

Each Siemens FDOOT441 unit is UL 268 7th edition listed incorporating advanced built-in ISOtechnology™ - True Class-X SLC operation (use is optional) greatly improving system reliability and circuit integrity while providing advanced addressable fault finding

They are also compatible with conventional input devices such as 2-wire smoke detectors

The SA-DACT provides communications between the control panel and the central station over a telephone line system

Provides for Genesis and Enhanced Integrity notification appliance synchronization

Edwards EST SIGA-OSHCD SF 23/12 Each Siemens FDOOT441 unit isIn general, the Edwards SIGA OSHCD provides the best of all worlds with comprehensive life safety monitoring.