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Jul
07
 

standard protocols

Communication standards

standard protocols

  • http://webopedia.internet.com/Standards/Communications_Standards/ (pointers to the Hayes AT command set for modems, the RS-232c standard, the RS-485 standard, the CCITT Group 4 fax standard, and several file transfer protocols). [FIXME: last time I checked, left out any mention of S11 -- perhaps give them the pointers below ?]
  • http://www.rad.wfubmc.edu/~chim/modemstuff/chapter06.html#6.4 has lots of details on the “S” registers, including the S11 DTMF Dialing Speed register. For example, S11= sets the DTMF pulse time to milliseconds and the time between pulses to milliseconds.
  • http://www.gem.co.za/FAQ/FRAMES/Hayescommands.html also documents S11.
  • http://www.citilink.com/~kae/faq/connecting/general/hayes.html claims that the minimum value for S11 is 50 ms, which seems incorrect — my modem works fine with S11=[FIXME]
  • Protocols/Standards/Guides http://www.repairfaq.org/filipg/LINK/F_LINK_IN.html#LINKIN_004
  • Controller Area Network (CAN) #can
  • Standard for Sensor Transducer Interface http://standards.ieee.org/announcements/electindustrange.html
  • IEEE P1451.0 (TM), “Standard for a Smart Transducer Interface for Sensors and Actuators; Common Functions, Communication Protocols, and Transducer Electronic Data Sheet (TEDS) Formats,” will be a new standard containing a common set of functions, communications protocols and TEDS formats for various physical communications media. It will aid interoperability among IEEE 1451 (TM) standards and simplify the creation of standards for different physical layers. 

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