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Glossary
X.21 bis (Packet data networking) International recommendation that defines the most popular physical interface for X.25. Equivalent to
X.21 (bis) link Commonly used in European countries, this is a pay as you go link. When a signal is raised, the network automatically establishes a link to the remote unit.
X.25 Packet switching protocol that lets computers communicate via wide area packet switched data networks
XID See exchange identification.
5536 PRI RAS Communications Controller Users Guide | 217 |