Плата расширения портов ввода-вывода CRESTRON STI-COM

2 RS-232/422/485 COM Port Module, Cresnet - International Version, 230V. The ST-COM is a Cresnet® expansion module that provides two independent bidirectional RS-232/422/485 COM ports. Typical applications include control of display devices, switchers, lighting systems, security systems, and more. The ST-COM may be used to provide a serial control interface at a remote location, or may be rack mounted in the central equipment cabinet to expand the number of control system ports (ST-RMK rack mount kit sold separately). Communication with the control system is via a single Cresnet connection.