16-PORT 485 DEVICES / AC MOTORS (RJ45). BUS INPUT (RJ45). BUS OUTPUT (RJ45) With End-of-Line LED. AUX POWER INPUT (RJ45). DC BIAS. BUS POWER STATUS LED. Compatible with TRO.JAN, Reaktor, Stellarator, and Collider. NOT Compatible with Tokamak. Support and Warranty for this product only available from Modern Atomics.