DTR Data Terminal Ready. A CCITT V.24 interface signal.
Normally pin 20 on a 25-way connector.
FDDI Fibre Distribute Data Interface. ANSI definition of a fibre
optic LAN at 100 Mbps.
FTP File Transfer Protocol. A member protocol of the 'Internet
Protocol Suite'. See Appendix C for more information.
IEEE Institute of Electrical and Electronics Engineers (a
standards body based in US).
Internet A multiple-network network.
IP Internet Protocol (ARPA, DDN).
ISO International Standards Organisation.
LAN Local Area Network; the subject of this document.
LLC Logical Link Control.
LSAP Link Service Access Point.
MAC Media Access Control.
MAP Manufacturing Automation Protocol.
NSAP Network Service Access Point.
OSI Open Systems Interconnection.
PSE Packet Switch Exchange.
RG58 A low-cost coaxial cable, often used to carry IEEE 802.3
10BASE2 Ethernet signals.
RIP Routing Information Protocol. See Appendix C for more
information.
SAP Service Access Point.
SMTP Simple Mail Transfer Protocol. A member protocol of the
'Internet Protocol Suite'. See Appendix C for more
information.
Socket A concatenation of an IP address and a TCP port number. It
identifies a logical point within a system.
SVC Switched Virtual Circuit.
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