Telebyte Model 365 Serial Interface Converter

The Telebyte Model 365 Serial Interface Converter bridges RS-232 with RS-422 or RS-485, enabling reliable data transmission between devices using different serial standards. Commonly deployed in industrial automation, PLC networks, SCADA systems, lab instrumentation, and telecommunications, it is used by maintenance technicians, automation engineers, and system integrators for upgrades, equipment integration, and troubleshooting. Key specifications include data rate up to 115.2 kbps, RS-485 operation in user-selectable 2-wire or 4-wire configurations, RS-422 full-duplex support, and a DTE/DCE compatibility switch. It features an integrated DataSpy LCD that shows transmit, receive, and control signal activity, a DB25 RS-232 connector, a terminal-block RS-422/RS-485 interface, and 115 VAC power input with 220 VAC variants available. Manufactured by Telebyte, Inc., the Model 365 is a genuine Telebyte serial interface converter, with common replacements including Telebyte 365M, 365F, and 365M-220.