High-speed Fast Ethernet networking (up to 6 MB per second throughput) for HP EIO-based peripherals. Internal print server slides into the EIO slot of compatible peripheralsreducing the number of cables to the printer (no power cords, no USB or parallel cables). Upgradable, full operating system and protocol support. HUB Compliance: N/A; OEM/Compatible: N/A; Height: N/A; Connector/Port/Interface: 1 RJ-45.