Data link controller with flexible multiplexer

Details Data link controller with flexible multiplexer Data link controller with flexible multiplexer

1989-02-14

1991-09-10

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

H04J 304

Patent

active

050480120

ABSTRACT:
A data link controller is provided which is suitable for use in ISDN applications, employing bit-oriented protocols. The data link controller can be operated in a time-division multiplexed mode or a non-time-division multiplexed mode. In the multiplexed mode, data in one of up to thirty-one selectable time slots is received by the data link controller under control of a microprocessor. One of the time slots can be selected via the microprocessor which allows a lengthened contiguous number of bits to be received, effectively increasing the reception rate. In the non-multiplexed mode, data is received in a continuous stream. In the multiplexed mode, up to thirty-one time slots are available for transmission of data. One of the time slots can be selected which allows a lengthened continuous number of bits to be transmitted, effectively increasing the transmission rate. In the lengthened configuration, by doubling the length of the time slot, two 64 kbps B-channels can act as a single 128 kbps channel.

REFERENCES:
patent: 4016367 (1977-04-01), Law et al.
patent: 4168469 (1979-09-01), Parikh et al.
patent: 4225919 (1980-09-01), Kyu et al.

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