HP JetDirect network interfaces eliminate the PC parallel port bottleneck so you can take advantage of full network speed to maximize print throughput. Your printers switch automatically between network protocols. That's not all. With HP JetDirect network interfaces and standard network cabling, you can place printers anywhere on the LAN. It's one more way Hewlett-Packard makes network printing work for you. This Ethernet/802.3 RJ-45 (10Base-T) card features multi-protocol internal network interface for HP printers. It supports all major network operating systems for Ethernet network topologies and offers Lpd support for UNIX. It is fully compliant with Novell NetWare security features: Encrypted Passwords and NCP Packet Signatures. 1MB of Flash EPROM is provided for software upgrades over the network.