Astronics OmniBusII, User Manual, Page: 47 / 58

CONNECTOR PINOUTS
coupling and termination guidelines provided in Appendix A. Direct coupling is
standard for ARINC 708, but transformer coupling is possible.
Used on Modules
LFH LFH 16036 LFH
810/820 811/822 Description Pair # Pin Pin Name
CH
0
(R)
CH
0
(R)
BUS A direct coupled (+) 14 28 P2-2 BUS1P
BUS A direct coupled (–) 14 29 P2-14 BUS1N
BUS A transformer coupled (+) 1 3 P2-3 BUS0P
BUS A transformer coupled (–) 1 2 P2-15 BUS0N
BUS B direct coupled (+) 2 5 P2-4 BUS2P
BUS B direct coupled (–) 2 4 P2-16 BUS2N
BUS B transformer coupled (+) 13 26 P2-5 BUS3P
BUS B transformer coupled (–) 13 27 P2-17 BUS3N
CH
1
(T
)
CH
1
(T
)
BUS A direct coupled (+) 14 28 P2-2 BUS1P
BUS A direct coupled (–) 14 29 P2-14 BUS1N
BUS A transformer coupled (+) 1 3 P2-3 BUS0P
BUS A transformer coupled (–) 1 2 P2-15 BUS0N
BUS B direct coupled (+) 2 5 P2-4 BUS2P
BUS B direct coupled (–) 2 4 P2-16 BUS2N
BUS B transformer coupled (+) 13 26 P2-5 BUS3P
BUS B transformer coupled (–) 13 27 P2-17 BUS3N
n/
a
CH
2
(R)
BUS A direct coupled (+) 29 58 P3-2 BUS9P
BUS A direct coupled (–) 29 59 P3-14 BUS9N
BUS A transformer coupled (+) 16 33 P3-3 BUS8P
BUS A transformer coupled (–) 16 32 P3-15 BUS8N
BUS B direct coupled (+) 17 35 P3-4 BUS10P
BUS B direct coupled (–) 17 34 P3-16 BUS10N
BUS B transformer coupled (+) 28 56 P3-5 BUS11P
BUS B transformer coupled (–) 28 57 P3-17 BUS11N
CH
3
(T
)
BUS A direct coupled (+) 29 58 P3-2 BUS9P
BUS A direct coupled (–) 29 59 P3-14 BUS9N
BUS A transformer coupled (+) 16 33 P3-3 BUS8P
BUS A transformer coupled (–) 16 32 P3-15 BUS8N
BUS B direct coupled (+) 17 35 P3-4 BUS10P
BUS B direct coupled (–) 17 34 P3-16 BUS10N
BUS B transformer coupled (+) 28 56 P3-5 BUS11P
BUS B transformer coupled (–) 28 57 P3-17 BUS11N
Avionics DIOs
Avionics DIO 0 3 7 BUS4P
Avionics DIO 1 3 6 BUS4N
Avionics DIO 2 12 24 BUS5P
Avionics DIO 3 12 25 BUS5N
Avionics DIO 4 4 9 BUS6P
Avionics DIO 5 4 8 BUS6N
Avionics DIO 6 11 22 BUS7P
Avionics DIO 7 11 23 BUS7N
Avionics DIO 8 18 37 BUS12P
Avionics DIO 9 18 36 BUS12N
Avionics DIO 10 27 54 BUS13P
Avionics DIO 11 27 55 BUS13N
Avionics DIO 12 19 39 BUS14P
Avionics DIO 13 19 38 BUS14N
Avionics DIO 14 26 52 BUS15P
Avionics DIO 15 26 53 BUS15N
Table 7.4
—Pinouts for ARINC 708 modules
OmniBus II PCIe/PXIe User’s Manual 7-5