ITU-T-X.55 Interface Between Synchronous Data Networks Using a 6 + 2 Envelope Structure and Singl

ITU-T-X.55 - 1988 EDITION - CURRENT



Interface Between Synchronous Data Networks Using a 6 + 2 Envelope Structure and Singl


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Document Number

ITU-T-X.55

Revision Level

1988 EDITION

Status

Current

Publication Date

Nov. 1, 1988