The VS1 provides one Class A or Class B intelligent device loop that supports up to 64 device addresses, and two Class B Notification Appliance Circuits (NACs). Optional Class A device wiring is available with the use of a module.
The V-SLC2-1 is a single loop controller card that can be used with the VS1 as a replacement for the standard 64-point loop, or with the VS4 as a 250-point expansion module.
The V-SLC2-2 is a 500-point dual loop controller card for the VS4 that provides two IDC circuits, each with 125 detector addresses and 125 module addresses.
Fire Alarm System Interface Card, RS232 Serial Port, 12 to 18 AWG Terminal, For Connection to Printer and Computer RS232 4 terminal connections for supervised/unsupervised printers and connection to PC's
