Control Relay Module - The Control Relay Module provides a Form C dry relay contact to control external appliances such as door closers, fans, dampers etc...
Signal Module The Signal Module is used to connect, upon command from the loop controller, supervised Class B signal or telephone circuits to their respective...
Waterflow/Tamper Module The GSA-WTM Waterflow/Tamper Module is a two circuit intelligent module. Circuit 1 is for Class B normally-open waterflow alarm...