D2

D2 definition - telecom
An early T-carrier framing convention used to create a 12-frame sequence or superframe. D2 framing is considered obsolete. See also D2, D3, D4, ESF, frame, and T-carrier.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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