Elk Alarm Engine 16 Zone Input Expander

Adds 16 hardwired zones (EOL resistor supervised) to the E27 Alarm Engine. Operates from 4-wire data bus. Up to 7 of these can be used, increasing total zones (inputs) to 128.  Also provides 1 Form “C” relay output.  Features DC power & battery connectors, allowing easy connection of remote power source/backup battery. Product Details Features: 16 EOL Resistor Supervised Hardwire Zones DIP switch selectable EOL resistance values (1.0K, 2.2K, or 3.3K) 1 Form "C" Relay Output DC power & battery connections Operates on the 4-Wire Data Bus Plug-In Terminal Strips Status and Diagnostic LED On-Board EOL Bus Termination Jumper Vertical Mounting using ELK-SWG Glides(included)