The Algo 3228 integrates with a CO line or more commonly with a telephone system via an analog station FXS port or ATA. The intercom is full duplex capable, featuring echo cancellers and adaptive noise reduction for superior voice quality compared to most analog systems.
The Algo 3228 door control relay can connect to any type of door release, gate activation system or access control panel. Additionally, there are low current programmable inputs and outputs at both control unit and intercom station for door sensing, door unlock switch, door unlock override, auxiliary call buttons, or telephone status such as ringing or in-use.
Algo 3228 Station Port FXS Doorphone Features: