D2

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.

• WRAN (Wireless Regional Area Network)
• wrap
• WRC (World Radio Conferences)
• WTLS (Wireless Transport Layer Security)
• WTO (World Trade Organization)
• WWW
• WYSIWYG (What You See Is What You Get)
• WYSIWYG (What You See Is What You Get)
• x
• X
• X12
• X.200
• X.21bis
• X.25
• X.25
• X.28
• X.29
• X.3
• X.31
• X.32
• X3T9-3
• X3T9-5
• X.400
• X.500
• X.509