Simplex 565-550 Circuit Assembly City 4005The 4005 9809 City Circuit Card (Part No. 565 550) provides alarm, supervisory, and trouble reporting to a Proprietary or Municipal monitoring station and supports three different types of city circuits (Local Energy, Reverse Polarity, and Form "C"). This publication describes how to install and configure the 4005 Fire Alarm City Circuit Card.

of receiving this item

The Simplex 4905-9941 Surface Mount Adapter Skirt (Red) is designed for use with Wall Mount Speakers

Mounts in a 4" (102 mm) square box

Type: Surface-mount weatherproof backbox (required)

Replacement electronics kit for the Silent Knight 6820 Fire Alarm Control Panel

Track mount with cover

240 μA standby @ 24 VDC

Security Monitor IAM model 4090-9121 has both power and communications supplied by a two-wire 4100ES

No direct replacement

Tone selection and output level is set for each appliance

Silent Knight SK-HEAT-HT-W Addressable High Heat Detector

Extension Box for 4098-9846