Pin input communicators Dialler input communicators  
spt311 spt312 spt322 spt313 spt323 vSPT Receivers
spt322 Pin Input (16 alarm inputs) Dual-Path
IP+GPRS communicator

Standard terminal block inputs signal up to 16 alarm states, voltage or relay outputs, simple LEARN feature sets input polarity

Power from 12v or 24v dc

Ethernet connection to LAN, DHCP or simple IP Config gives automatic
connection to monitoring centre. GPRS connection is automatic. Both paths
are routinely tested end to end according to insurance requirements.

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

Plug-on Version available spt321-P (not pictured)