Fujitsu Ltd has enhanced its FNA II second generation of its Fujitsu Network Architecture to add support for interconnection with network protocols such as Open Systems Interconnection, Systems Network Architecture, and TCP/IP: SNA support is at LU 6.2 level, while the TCP/IP Unix network support is provided as distributed Network File System under which accessing and updating of files on Fujitsu M-series mainframes is supported; the new facilities will be phased in between now and November 1991; communication with personal computers is also supported under PECF – Personal Communication Assistance Facility – which runs under the M-Series TSS Time Sharing Service), and connects into the Fenics Nifty-Serve value-added network service, which is 50% owned by Fujitsu, enabling local connection through the mainframe without the need for a modem and communications software.