BCF Designs ARINC 429 Connector Breakout Box

It is specifically designed as ground support equipment to aid in the maintenance and testing of wiring harnesses for standards such as ARINC 429 and MIL-STD-1553.

It allows a technician to manually connect or route different ARINC 429 signals (or "phases") to specific pins on the large circular connector using the front-panel switches.