VOR/DME DDRMI Pinouts Heading connects to a Hi Speed ARINC 429 output VOR1/DME1 and VOR2/DME2 connect to a Lo Speed ARINC429 output Power (115 VAC) CGround DIntegral Lighting (5 VDC) A/BHDG R *, S **HDG Alternate U *,V **VOR1 <B *, <C **DME1 <G *, <H **VOR2 <E +, <F ++ DME2 <I +, <J … Continue reading →