Research Concepts RC4000 - Manual (Page 36)

RC4000 Antenna Controller Chapter 2 Hardware
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2.1.2.3.4 J4 - Relay
J4 "NO NC COM" 3 pin Type 2
HPA Disable, normally-open, 3A @ 30VDC max or 3A @ 250VAC max
HPA Disable, common, 3A @ 30VDC max or 3A @ 250VAC max
HPA Disable, normally-closed, 3A @ 30VDC max or 3A @ 250VAC max
- typically HPA
The HPA disable is in a form-C contact arrangement with a normally-open, normally-closed and common
contacts. While the antenna is below the down elevation limit or while the antenna is performing any
large-scale auto-moves, such as deploy, locate, or stow, the normally-closed and common pins will be
connected. After the auto-move is complete, the connection will be released.
2.1.2.3.5 J5 - Bar LEDs
This connector is used by the RC300 product but not utilized for a RC4000 application.
2.1.2.3.6 J6 - Interboard Bus B
J6 "none" 40 pin Type 3
-- see 2.1.2.2.1 for pinouts
2.1.2.3.7 J7 - LEDs
This connector is used by the RC300 product but not utilized for a RC4000 application.