Non-buffered loop-timed channel bank

Details Non-buffered loop-timed channel bank Non-buffered loop-timed channel bank

1981-06-22

1983-06-07

Robinson, Thomas A.

Multiplex communications

Wide area network

Packet switching

H04J 306

Patent

active

043874592

ABSTRACT:
In a digital transmission system, a loop-timing technique is provided for a channel bank which demultiplexes a high speed data stream into a plurality of lower rate channels, and which multiplexes a plurality of lower rate channels to a high speed data stream. Loop-timing is provided without elastic buffers by deriving stuff requests from stuff bits in the received high speed data stream, extracting a high speed clock signal from the received data stream, and applying the stuff requests and the high speed clock signal directly to the high speed multiplexer for providing stuff bits in the transmitted high speed data stream and for clocking the transmitted high speed data stream.

REFERENCES:
patent: 4025720 (1977-05-01), Pachynski, Jr.
"D448 PCM Trunk Carrier System", ITT Transmission Division, Raleigh, No. Carolina, Issue 2, 8/78, BRR-18-001.

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