Skipper EMES60 - Page 44

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I/O Board Test Points
The following test points on the I/O board can be used to monitor supply voltages
and signals, using a meter or oscilloscope.
Test
Point
Function
TP100
Main 24V Internal Bus
TP101
Board 3.3V
TP102
Board 5V
TP400
NMEA0183 from Sensor
TP500
NMEA0183 from Display
TP501
NMEA0183 from Aux Input 1
TP502
NMEA0183 from Aux Input 2
TP503
NMEA0183 from Aux Input 3
TP700
OptoCoupler1 Control
TP701
OptoCoupler2 Control