12.07.2015 Views

Device Servers - Networking & Communications

Device Servers - Networking & Communications

Device Servers - Networking & Communications

SHOW MORE
SHOW LESS
  • No tags were found...

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

The Limitations of Serial Ports• Dedicated connections only– Typically one PC/host per serial device– One protocol for all devices• Very limited distance– RS-232: 50 Ft. (15 m)– RS-422/485: 4000 Ft. (1200 m)• Poor performance– Typical speeds of 9,600bps to 115,200 bps (not Mbps)• Installation cost– Separate and dedicated cable per serial device

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!