H - Electricity – 04 – L
Patent
H - Electricity
04
L
340/74, 340/80
H04L 5/14 (2006.01) H04L 29/06 (2006.01) H04Q 11/04 (2006.01) H04L 29/08 (2006.01)
Patent
CA 1223650
- 32 - DATA COMMUNICATON MEHTOD AND CIRCUITRY Abstract A data communication method and circuitry which uses a compatible subset of a standard high level data link control (HDLC) protocol to control link level communication between a digital terminal and a switch. The use of the subset of HDLC protocol reduces the complexity of the digital terminal design while maintaining communication compatibility with a switch which uses either the standard HDLC protocol or the subset of HDLC protocol.
462282
Marzec Richard P.
Schramm George W.
Sharp John B.
Stelte David J.
Tutelman David M.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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