- 8/16 input zone expander for ESX-1 control panels.
- Each ESX-Z8 contains 8 individual zone inputs which are expandable to 16 zone inputs when using zone doubling. Contains an on board tamper input for extra security in remote installations.
- Simple diswitch addressing system for single end of line or zone doubling wiring configuration of up to 64 zones. Zone unsealed LED for each input to identify unsealed zones at the ESX-Z8 board.