Codenoll Technology Corp with the Packard Electric Division of General Motors Corp has announced a new family of 10Mbps Ethernet local area network systems, components and a structured cabling system for Plastic Optical Fibre; the CodeNet products include integrated network interfaces for AT, EISA and Micro Channel personal computers, a plastic optical fibre Ethernet transceiver, a module for the Codenoll MultiStar or 3Com MultiConnect active hub, and connectors for plastic optical fibre wall plates, patch panels and preassembled cables; the networks are configured in a star and use the same signalling as the Fibre Optic InterRepeater Link Ethernet standard; the plastic optical fibre AT bus Ethernet Network Interface Centre is $500, the Micro Channel version $800, the EISA Ethernet Centre is $1,300, and the Multistar Concentrator is $500.