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S9721 • USB To RS-485 Converter


Cat. Page 135


  • $55.00
  • 2+ $50.00
  • 4+ $46.00
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Last updated 14-08-19 11:20:10

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Ideal for interfacing security equipment in large installations. Converts USB output from a PC to RS-485 for transmission over 1.2km. Screw terminal connections. Surge protected. No power required.


  • Half-Duplex USB 2.0 to RS-45 Adapter
  • Bus powered - FTDI FT232R Chipset
  • Fully compliant with USB 2.0 Spec. (compatible with USB 1.1)
  • Standard RS485 Port support with 2-pin terminal connector
  • Built-in 2kV surge protector
  • Built-in 15kV discharge
  • Easy to install, plug and play
  • Supports MAC OS 8.6 up, Linux, Windows 98/se/me/2000/XP/Vista/7/8/8.1/x64


  • Data rate: Up to 200 kBps
  • Connector:USB Type A male cable / RS485 2-pin terminal connector
  • RS485 data transfer by automatic handshake mode
  • Built-in RS485 driver and up to 1.2km
  • Housing: Plastic
  • Weight: 25g
  • Dimensions: 55.8W x 17H x 26.5D mm

*Specifications are subject to change without notice.

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