| BS 7112:1991* ISO 9160:1988 | Procedures for achievement of interoperability and security by use of encipherment at the physical layer of OSI in telecommunication systems conveying automatic data processing information |
| BS EN 13757-2:2004 | Communication systems for remote reading of meters. Physical and link layer |
| BS EN 13757-4:2005 | Communication systems for meters and remote reading of meters. Wireless meter readout (radio meter reading for operation in the 868-870 MHz SRD band) |
| BS EN 13757-5:2008 | Communication systems for meters and remote reading of meters. Wireless relaying |
| BS EN 13757-6:2008 | Communication systems for meters and remote reading of meters. Local Bus |
| BS EN 60728-7-1:2005 | Cable networks for television signals, sound signals and interactive services. Hybrid fibre coax outside plant status monitoring. Physical (PHY) layer specification |
| BS EN 61158-2:1994 | Fieldbus standard for use in industrial control systems. Physical layer specification and service definition |
| BS EN 61158-2:2004 | Digital data communications for measurement and control. Fieldbus for use in industrial control systems. Physical layer specification and service definition |
| BS EN 61158-2:2008 | Industrial communication networks. Fieldbus specifications Physical layer specification and service definition |
| BS EN 62056-42:2002* IEC 62056-42:2002 | Electricity metering. Data exchange for meter reading, tariff and load control. Physical layer services and procedures for connection-oriented asynchronous data exchange |
| BS EN ISO/IEC 9314-3:1996 | Information processing systems. Fibre Distributed Data Interface (FDDI). Physical Layer Medium Dependent (PMD) |
| BS ISO 11783-2:2002 | Tractors and machinery for agriculture and forestry. Serial control and communications data network. Physical layer |
| BS ISO/IEC 10022:1990 | Information technology. Open systems interconnection. Physical service definition |
| BS ISO/IEC 10022:1996 | Information technology. Open systems interconnection. Physical service definition |
| BS ISO/IEC 13642:1996 | Information technology. Elements of management information related to the OSI Physical Layer |
| BS ISO/IEC 8480:1995 | Information technology. Telecommunications and information exchange between systems. DTE/DCE interface back-up control operation using ITU-T Recommendation V.24 interchange circuits |
| BS ISO/IEC 8802-5:1998 | Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements. Token ring access method and physical layer specifications |
| BS ISO/IEC 9314-5:1995 | Information processing systems. Fibre Distributed Data Interface (FDDI). Hybrid Ring Control (HRC) |
| BS ISO/IEC 9314-6:1998 | Information processing systems. Fibre Distributed Data Interface (FDDI). Station management (SMT) |
| BS ISO/IEC 9314-7:1998 | Information processing systems. Fibre Distributed Data Interface (FDDI). Physical layer protocol (PHY-2) |
| BS ISO/IEC 9314-8:1998 | Information processing systems. Fibre Distributed Data Interface (FDDI). Media access control-2 (MAC-2) |
| BS ISO/IEC TR 10738:1993 | Information technology. Local and metropolitan area networks. Token ring access method and physical layer specifications. Recommended practice for use of unshielded twisted pair cable (UTP) for token ring data transmission at 4 Mbit/s |
| DD 238-2:1996 | Fieldbus. Specification for 31.25 kbits/s physical layer profile |
| DD 241-2:1997 | Specification for ControlNet. Physical layer and media |
