Digital communication electrical/optical access node having buff

Details Digital communication electrical/optical access node having buff Digital communication electrical/optical access node having buff

1990-11-08

1993-05-25

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 66, 370 953, 359135, H04Q 1108, H04Q 1104

Patent

active

052146383

ABSTRACT:
The network access node of a digital communication system for the bidirectional transmission of message signals between, for example, a switching center and subscribers as an electrically switchable connection between the lines to the switching centers with a first interface and the lines to the subscribers with a second interface. The first interface is preferably an interface for a time-division multiplex signal with a transmission rate of 2 Mbit/s; the second interface is preferably an interface for signals in multiple access with time-division multiplex (TDM/TDMA). The buffer memory of the TDM/TDMA system is made up of partial memories arranged as a matrix. The partial memories are used simultaneously as a buffer memory for the circuit of the paths.

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