Multiplex communications – Pathfinding or routing – Through a circuit switch
Patent
1996-12-06
1999-06-29
Pham, Chi H.
Multiplex communications
Pathfinding or routing
Through a circuit switch
370535, 370907, H04J 314
Patent
active
059178183
ABSTRACT:
A synchronous digital hierarchy digital cross-connection apparatus. The apparatus includes a synchronous signal connecting unit having a STM-N signal receiving part, a reversely multiplexing part and a STM-N signal transmitting part; an AU frame phase arranging and signal supervising unit; and an AU switching unit. The AU frame phase arranging and signal supervising unit includes a downward signal inputting part, and AU frame aligner, a signal path supervisor, a downward signal outputting part, and upward signal inputting part, an unconnected signal supervising and generating part, a selector, an upward signal outputting part and a CPU interface.
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Choi Sung Hyuk
Kim Jae Guen
Ko Je Soo
Lee Ho Jae
Lee Jong Hyun
Electronics and Telecommunications Research Institute
Korea Telecommunication Authority
Nguyen Kim T.
Pham Chi H.
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