IEEE standards for local and metropolitan area networks: supplements to carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications. Guidelines for the development of managed objects (GDMO) (ISO 10164-4) format for layer-managed objects (section 5), and, layer management for 10 Mb/s baseband medium attachment units (MAUs) (section 20) Issued by: Inst. Electr. & Electron. Eng., New York, NY, USA