Apparatus for implementing the function of a virtual container-1

Details Apparatus for implementing the function of a virtual container-1 Apparatus for implementing the function of a virtual container-1

1996-09-13

1998-08-04

Ton, Dang

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

370503, H04J 306

Patent

active

057905576

ABSTRACT:
An apparatus for implementing the integrated function of virtual container-11(VC-11) and tributary unit group-2(TUG-2) is configured to transmit and receive a DS-1 network signal and a TUG-2 system signal through a synchronization process in a synchronous multiplexing structure. Data between a network and a system is converted by using only one Tx buffer and one receiving buffer in a transmitter and a receiver respectively. An input of a Tx FIFO buffer is a DS-1 signal of 1.544 Mbps, and an output thereof is a TU-11 frame of 1.728 Mbps including spaces for a path overhead and a pointer. An input of a RX FIFO buffer is the TU-11 signal of 1.728 Mbps in which the path overhead and the pointer are eliminated, and an output thereof is the DS-1 signal of 1.544 Mbps.

REFERENCES:
patent: 5040170 (1991-08-01), Upp et al.
patent: 5343461 (1994-08-01), Barton et al.
The paper entitled "Network synchronization-A challenge for SDH/SONET?" by Michael J. Klein and Ralph Urbansky, Sep. 1993, pp. 42-50.

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