Research Concepts RC4000 - Manual (Page 35)

RC4000 Antenna Controller Chapter 2 Hardware
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2.1.2.3.1 J1 - Interboard 24 VDC
J1 "Power" 6 pin Type 2
- daisy chained from processor board
- could daisy chain to additional
2.1.2.3.2 J2 - Receiver
J2 "REC2" 9 pin Type 2
- similar to processor board’s J## but Rec SS has 10 bit resolution over ??? 0 – 5 ??
2.1.2.3.3 J3 - Compass/Inclinometer
J3 " Compass/Inclinometer" 9 pin Type 2
This connector is used by the RC300 product but not utilized for a RC4000 application.