MJ Engineering produce special to-type automated test equipment for the test and calibration of avionic components and assemblies. Utilising Ethernet, USB or GPIB protocols, we can provide an interface for ARINC 429, 561, 575 and 573, MIL STD 1553, RS232, 485 and 422, NMEA0183, I2C, and CAN Bus. Our current products include: CP7018 - GPIB to Ethernet/RS422.