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NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

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Technical rule [CURRENT]

ITU-T X.21
Interface between data terminal equipment and data circuit-terminating equipment for synchronous operation on public data networks

Title (German)

Schnittstelle zwischen Datenendeinrichtung und Datenübertragungseinrichtung für Synchronbetrieb in öffentlichen Datennetzen

Edition 1992-09
Original language English
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