Satellite Radio User Manual

49
Status indication LEDs on the Radio Control Board
LED Functions
Red power LED
- Power has been applied to the RCB board.
Green COR LED - A valid carrier signal is present
Red TX LED - The control system is keying the transmitter
Yellow PL Dec LED - A valid PL / DPL tone has been decoded
Yellow DTMF LED - A DTMF digit is being decoded
Red User output 5 LED - The open collector output #5 is active (pulled to ground)
Red User output 4 LED - The open collector output #4 is active (pulled to ground)
Note: there is no special indication when user output #1-#3 are active.
COR TX
PL Dec DTMF Dec
User 5 User 4
Power