Pin input communicators Dialler input communicators  
spt311 spt312 spt322 spt313 spt323 vSPT Receivers
spt311 Pin Input (8 alarm inputs) Single-Path
IP communicator

Standard terminal block inputs signal up to 8 alarm states, voltage or relay
outputs, simple LEARN feature sets input polarity.

Power from 12v or 24v dc

Ethernet connection to LAN, DHCP or easy IP Config gives automatic
connection to monitoring centre. Connection tested every minute.

Relays for Comms Status or for remote control when required. Power Up
alarm, Test button and Low Voltage alarm as standard.

Plug-on Version available spt311-P (not pictured)