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The VSCOM USB-2COMi-SI-M delivers two isolated serial ports (RS-422/RS-485) by a USB connection in metal package.
Serial ports on USB allow further use of existing devices, even when the computer doesn't offer serial ports. The high speed serial port with the 128 byte FIFO allow high speed communication, even in heavy loaded systems. Unique features reduce the system load. The serial port also allows unusual speed settings like 500.000bps.
RS422/485 DB9 male port
Speed up to 3000 kbps
No external power supply
Compliance: USB 1.0/1.1 compliant, USB 2.0 compatible
Speed: 12 Mbps, full-speed
USB FIFO: 128 byte transmit FIFO, 384 receive FIFO