The Barix Barionet UX8 is a USB-connected and USB-powered I/O extension for IPAM-based Barionet devices. It provides eight dry-contact inputs rated for 0 to 15 V and eight relay outputs rated at 30 VDC and 1 A, with normally open and normally closed contacts. The unit is automatically detected by Barionet M series head-end devices, extends their Linux file system, and supports up to two UX8 extensions per head-end unit.