Multiplex communications – Pathfinding or routing – Through a circuit switch
Patent
1995-08-23
1998-06-23
Marcelo, Melvin
Multiplex communications
Pathfinding or routing
Through a circuit switch
370466, H04J 312, H04L 1202
Patent
active
057712328
ABSTRACT:
In an communication system including a computer system comprising a digital signal processing adapter for performing a-set of tasks, and a E-1 port for providing and receiving time division multiplexed (TDM) signals in accordance with a first inter-system communication protocol, such as the E-1 or T-1 protocols, a communication subsystem, for coupling to the IP system. The communication subsystem includes an E-1 link for coupling to the first I/O port, and for providing and receiving TDM signals in accordance with the E-1 or T-1 protocols. The subsystem further includes a digital signal processor adapter, coupled to the second I/O port, for enhancing processing capability of the digital signal processing resource; and a third I/O port, coupled to the digital signal processor circuit, for providing and receiving signals in accordance with the first or a second inter-system communication protocol.
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Dialog(R) File 351:DERWENT WPI, 1995 Derwent Info Ltd., (Item 6 from file: 351), WPI Acc No: 90-368384/49, Patent Assignee: NORAND CORP, Author: K.K. Cargin, et al., US 4972463 A, Abstract. 5292154 A!, Published: Nov. 5, 1993(19931105)N. Kenji, et al, Applicant:
Andrews Lawrence Paul
Davis Gordon Taylor
Johnson Willie James
Jones, Jr. Joe Fletcher
Landa Robert Eugene
Buchenhorner Michael J.
International Business Machines - Corporation
Marcelo Melvin
Tomlin Richard A.
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