Typical ARINC Equipment Characteristics

Systems Trays ARINC Connectors
ARINC Characteristic Avionics System MCU Size Connector Shell Size Insert Configuration Index Pin Code
A B C D E F
701 Flight Control Computer System, Mk II Flight Control Computer System, Mk II 8 2 02 02 04 - - - 08
702 Flight Management Computer 4 2 02 02 04 - - - 04
703 Thrust Control Computer 8 2 02 02 04 - - - 08
704 Inertial Reference System (IRS) 10 2 02 02 04 - - - 06
705 Attitude and Heading Reference (AHRS) 4 2 02 02 04 - - - 06
707 Radio Altimeter (LRA) 3 2 05 05 04 - - - 01
709 Distance Measuring Equipment (DME) 4 2 02 05 02 - - - 03
710 Airborne ILS System (ILS) 3 1 01 01 03 - - - 51
711 Airborne VOR System (VOR) 3 1 01 01 03 - - - 02
712 Airborne ADF System (ADF) 2 1 01 01 03 - - - 05
714 Airborne SELCAL 1 1 01 01 03 - - - 03
715 Passenger Address Amplifier (PAA) 2 1 01 01 03 - - - 07
716 VHF Communication Receiver (VHF) 3 1 01 01 03 - - - 04
717 Flight Data Acquisition and Recording (DFDAU) 6 3 02 02 04 02 02 - 01
718 Mode S Transponder 4 2 05 05 04 - - - 05
719 Airborne HF 6 2 02 05 04 - - - 10
723 Ground Proximity Warning System (GPWS) 2 1 01 01 03 - - - 08
724 Aircraft Communication Addressing and Reporting System (ACARS) 4 2 02 02 04 - - - 09
725 Electronic Flight Instruments (EFI) 6 2 02 02 04 - - - 11
726 Flight Warning Computer System (FWC) 6 3 02 02 04 02 02 04 03
727 Microwave Landing System (MLS) 3 2 25 08 10 - - - 14
732 Airborne Passenger Audio 4 1 01 01 03 - - - 07
735 Traffic Alert and Collision Avoidance System (TCAS) 6 3 11 11 04 - 02 07 40
738 Air Data and Inertial Reference System (ADIRS) 10 2 02 02 04 - - - 06
738A Air Data and Inertial Reference System (ADIRS) 4 2 02 02 04 - - - 06
741 Satellite Communication                  
Beam Steering Unit (BSU) 2 1 01 01 03 - - - 12
Radio Frequency Unit (RFU) 4 2 08 05 04 - - - 03
Satellite Data Unit (SDU) 6 2 02 02 04 - - - 04
High Power Amplifier (HPA) 8 2 08 05 04 - - - 08
742 Wind Shear 4 2 02 02 10 - - - 07
743 Global Positioning System (GPS) 2 1   01 03 - - - 04
745 Automatic Dependant Surveillance (ADS) 3 2 02 02 07 - - - 02
746 Cabin Communication Systems (CTU) 6 2 02 02 04 - - - 06
748 Communication Management Unit (CMU) 4 2 02 02 04 - - - 48
750 VHF Data Radio (VHF) 3 1 01 01 03 - - - 04
752 TFTS Airborne Radio                  
Transceiver Unit (TU) 6 2 11 01 04 - - - 08
Modem Unit (MPU) 4 2 02 03 04 - - - 09
753 HF Data Link                  
HF Data Radio (HFDR) 6 2 02 05 04 - - - 10
HF Data Unit (HFDU) 4 2 02 02 04 - - - 20
755 Multi-Mode Receiver (MMR) 3 2 11 14 04 - - - 03
756 Global Navigation and Landing Unit (GNLU) 4 3 11 14 07 02 02 04 56
758 Communications Management Unit (CMU) 4 2 02 02 04 - - - 58
760 GNSS Navigation Unit (GNU) 2 2 02 02 04 - - - 60
762 Terrain Awareness and Warning System (TAWS) 2 1 01 01 03 - - - 08 (115VAC Type 1)
2 1 01 01 03 - - - 29 (115VAC Type 2)
2 1 01 01 03 - - - 10 (28VDC Type 1)
2 1 01 01 03 - - - 28 (28VDC Type 2)