Research Concepts RC4000 - Manual (Page 25)

RC4000 Antenna Controller Chapter 2 Hardware
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2.1.2.2.2 J2 - Red/Green Buttons
J2 "Buttons" 8 pin Type 6
-- J2 most typically allocated to support “Red/Green” button user interface option
-- ref VSAT/red green operation
-- typically these buttons may be positioned on the enclosure itself to allow simple local control of
LOCATE & STOW functions
-- Led Drive capability
-- button requirements
-- if not for R/G, 4 I/O that could be used for something else (describe I/O capability)
2.1.2.2.3 J3 - Receiver 1
J3 "Ext Rcvr" 8 pin Type 6
J3 allocated to support various types of external receivers
-- may supply +5 or +24 VDC (?? Capacity ??)
-- discrete (TTL??) lock -- 12 bit analog (-10 to +10 VDC) resolution
-- serial (RS-232)
-- GPS data loopout