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Honeywell 4219 Ademco Wired Zone Expander

Honeywell ★ 3.6/5 · ItemOracle Score Mid-Range

$55 USD
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Honeywell 4219 Ademco Wired Zone Expander

Wired zone expander for ECP bus with up to eight class B inputs and 1K end-of-line resistors. Helps extend zone capacity in addressable systems. Customers note professional installation and some old stock concerns

Highlights

  • supports up to eight class B zone inputs
  • DIP switch addressing for range control
  • 1K end-of-line resistor per input

Pros

  • easy DIP switch addressing
  • adds multiple zone inputs
  • integrated end-of-line resistors

Cons

  • some customers report very old stock

Best For

  • expanding zones on a security system
  • retrofit installations with ECP bus
  • class B loop zone expansion
  • localization along four-wire bus
  • professional-grade installations

Features

  • Places anywhere along the four-wire addressable ECP bus for expansion
  • Uses simple DIP switch addressing to select zone numbers
  • Adds up to eight class B zone inputs to an addressable ECP bus
  • Each input includes a 1K end-of-line resistor for supervision
  • Class B loops are supervised for open, shorted, and normal conditions

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