Simplex 4905-9926 V/O Wire GuardWire Guard for Ceiling Mount V O, Includes Mounting Plate Compatible with semi flush or surface mounted boxes; compatible with wall mount rectangular style V O, typically for retrofit Dimensions: 6 1 8 x 4 3 8 x 2 7 8 deep (156 mm x 111 mm x 73 mm).

The Simplex 59VO-WWF TrueAlert ES LED Addressable Strobes are individually addressed visible notification appliances that receive power

The integral individual addressable module (IAM) monitors status and communicates changes to the connected control panel via MAPNET II or IDNet communications wiring

— Fire alarm control panels directly providing SmartSync two-wire horn/strobe control

Power/Comm Box to Box

— 4009-9810 (Class B)/4009-9811 (Class A) Fiber Optic Receiver - receives IDNet communication over a fiber optic channel and regenerates the IDNet signal

steady = alarm/trouble per panel indication)

The Simplex 4905-9993 White Cover for V/O Strobe is marked FIRE

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

Simplex 4098-9780 Supervised Relay Base is a 2-wire plug-in sensor base

733-868 – Internal ribbon cable used inside the housing to connect the duct detector card to the head base (service/repair part)

and 4010ES or 4100ES fire alarm control panels with software revision 2

— AD2-XHR Air Duct Housing w/ Relay