1) OK, very good... thanks for the reply
2) In the standard telephony color code. the wire pairs start out as follows in sequential order: Line 1 will be the blue pair, Line 2 will be the Orange pair and Line 3 will be the green pair. Since you are rewiring one intercom, most likely you just need the white/blue & blue/white pair. Refer to the color code breakout below:
White/Blue = Tip or Transmit
Blue/White = Ring or Receive
White/Orange = Tip or Transmit
Orange/White = Ring or Receive
White/Green = Tip or Transmit
Green/White = Ring or Receive
3) Not sure what term they used in the directions, but the industry standard is T for Tip or Transmit and R is for Ring or Receive.
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