Alloy SCR460ST-3 Serial to Fibre Standalone/Rack Converter The SCR460ST-3, an SCR Series Media Converter, is used standalone or installed in a DCR12 Series Converter Chassis. This RS232/422/485 Serial to Fibre Converter has a DB-9 port and a ST terminated singlemode fibre port with a range of up to 20Km. The SCR460ST-3 is a dual purpose Serial over Fibre Media Converter. It can be used as a standalone device, or can be installed as a Media Converter Module into any Alloy DCR12 Series 12-slot Media Converter Rackmount Chassis. The SCR460ST-3 has one triple mode circuit RS-232/RS-422/RS-485 Serial DB-9 copper port and an ST terminated singlemode fibre port, enabling the Converter to extend data and control signaling over a fibre cable segment up to a maximum range of 20 kilometres. With auto baud rate (up to 460.8K) and direction control functions, the Converter automatically detects serial signal characteristics to operate automatically in RS-232, RS-422 or RS-485 mode. Features: SCR460ST-3 Converter: RS-232/422/485 serial (DB-9) to serial over singlemode fibre (ST) - 20Km range SCR Series Converters for all types of serial over fibre media conversion - up to 20Km range DB-9 or Terminal Block options for copper serial cabling, ST or SC fibre connectors Triple mode circuit support for Plug-and-play RS-232triple mode circuit RS-232/RS-422/RS-485, RS-422 or RS-485 Auto baud rate (up to 460.8K) and Direction Control functions High EMI and EMS immunity Dual Purpose ACR Series - use 'standalone' or install in a DCR12 Series Media Converter Chassis Easy 'Slide-in, Hot Swap' installation into DCR12 Media Converter Chassis systems Compact, rugged all-metal case