B&R Industrial Automation 0AC808.9 Ethernet Hub

The B&R 0AC808.9-1 Ethernet Hub is an 8-port standalone, Layer 2 industrial hub built for rugged automation networks. It uses shielded RJ45 ports and provides 10BASE-T/100BASE-TX at auto-negotiated 10/100 Mbps with auto-MDI/MDIX, enabling easy, auto-sensing connections across the network, with per-port LEDs signaling link and activity and a dedicated supply-voltage indicator. The 8-port hub is designed for 24 V DC operation (TB704 terminal block is required separately) and exhibits a propagation delay of about 0.64–0.68 µs, with a maximum Ethernet segment length of 100 m between devices. As a universal Level-2 hub, it can function in standard Ethernet networks or POWERLINK environments, making it a compact central node in machine networks. It also carries CE marking and UL/cULus listings for industrial use.