POLARIS Serial-Ports' Assignments

  • Port #1 (/dev/ttyC0) : Filter selection, Shutter ctrl, Intensifier gain/power
  • Port #2 (/dev/ttyC1) : Filter Wheel temperature ctrl
  • Port #3 (/dev/ttyC2) : GPS date/time from GPS Palisade Antenna under dome
  • Port #4 (/dev/ttyC3) : Imager Hard Reset (110V power cycle)
  • Port #5 (/dev/ttyC4) : SPARE PORT
  • Port #6 (/dev/ttyC5) : SPARE PORT
  • Port #7 (/dev/ttyC6) : USR Modem
  • Port #8 (/dev/ttyC7) : Data spout (OUTPUT), currently to DCS (MUX/Skyswitch)
  • Port #9 (/dev/ttyS0) : Computer-to-UPS communications
  • Port #10(/dev/ttyS1) : Temperature sensors (T0=dome, T1=camera, T2=fw)