Synchronous digital transmitter

Details Synchronous digital transmitter Synchronous digital transmitter

1990-07-31

1992-06-23

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 84, 3701101, 370 26, H04J 300

Patent

active

051249766

ABSTRACT:
A synchronous digital transmitter connects a data terminal equipment to a multiservice digital PABX which accesses the public switched telephone network at 64 kbit/s. It includes a system for generating a frame clock defining a 64 kbit/s data transmission channel used for the transmission of data to and from the PABX. A further system generates a bit clock at the same frequency as the data from the terminal equipment for transfers to and from the terminal equipment. A further system periodically synchronizes the bit clock to the frame clock. The transmitter is applicable to the synchronous transmission of data at data rates up to 64 kbit/s.

REFERENCES:
patent: 4551835 (1985-11-01), Bensadon et al.
patent: 4607364 (1986-08-01), Neumann et al.
patent: 4847833 (1989-07-01), Doering et al.
patent: 4953180 (1990-08-01), Fienchi et al.

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