BS 6531-4:1984

Заменен

10 Mbps slotted ring local area network, Specification for Basic and Enhanced Class nodes with Type 1 node/DTE interface — 18 стр.

Заменен на

BS ISO 8802-7:1991

ICS

35.110 Networking. Including local area networks (LAN), metropolitan area networks (MAN), wide area networks (WAN), etc. / Организация сети