Research Concepts RC4000 - Manual (Page 41)

RC4000 Antenna Controller Chapter 2 Hardware
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2.1.2.4.7 USB
USB mini-B upstream receptacle
2.1.2.4.8 Tyco Vertical Header
AMP 5103308-5 20 pin
5103308-1 10 pin
2.1.2.4.9 Unshrouded Header
AMP 4-103321-8.
2.1.2.4.10 Phoenix Double Header
Phoenix 1953855
2.1.2.4.11 SMB COAX
connector, rf coaxial, smb straight pcb jack, 4 legs, mini 75 ohm
2.1.2.4.12 Ethernet
-- really some other connector but Rabbit will have RJ45