Honeywell 4219 Ademco Wired Zone Expander

The Honeywell 4219 is a wired zone expansion module that provides up to (8) additional hardwired zones of protection for a Honeywell VISTA-15P, VISTA-20P or VISTA-21iP alarm control panel. The 4219 zone expansion module is ideal for existing security systems when you need to add additional hardwired alarm devices but have no more available zones.

• Can be located anywhere along the four-wire addressable ECP bus
• Simple DIP switch addressing to select range of zone numbers
• Adds up to eight class B zone inputs to an ECP bus addressable system, each with 1K end-of-line resistor
• Class B loops provide a broad, 300 ohm tolerance
• Supervised for open, shorted and normal circuit conditions