TAC Vista System 7 Communication Module Manual

This document describes the TAC Vista System 7 Communication module, which enables two-way data transfer between a computer and site units for monitoring and control, including alarms, values, messages, and time synchronization. It details three communication types (direct, dialed, and via LCU-C), technical specifications for connected systems like TAC Zone II and TAC Line, and configuration data such as maximum connections, ports, and hardware requirements.