NOTIFIER HS-NCM-W-2 ATT 03/11 Both the GN-503F and GN-503FF

Both the GN-503F and GN-503FF provide a connection to a protected premises alarm system to provide a supervisory/ trouble signal

White Weatherproof

terminals for field wiring and a third contact for a remote indicator/LED

The external power supply is always relay-isolated from the communication loop so that a trouble condition on the external power supply will never interfere with the rest of the system

SILENT KNIGHT 6808 CAB

NOTIFIER HS-NCM-W-2 ATT 03/11 Both the GN-503F and GN-503FFThe High Speed Network Communications Module (HS NCM) provides NOTIFIERs NFS 320, NFS 640, NFS2 640, NFS 3030, and NFS2 3030 Fire Alarm Control Panels, NCA and NCA 2 Network Control Annunciators, and DVC Digital Voice Command with a means to connect to High Speed NOTIFIRENET (NFN). Data Sheet: HS NCM W 2