Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Patent
1997-06-26
2000-07-25
Nguyen, Chau
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
370522, 370538, 370907, H04J 316, H04J 312, H04J 302, H04L 1228
Patent
active
060944404
ABSTRACT:
A multiplex type transmitting apparatus is arranged to have a plurality of slow signal receive/transmit sections for accommodating a counterpart for a SONET system or an SDH system, a multiplex separation converting section, and a receive/transmit section for a SONET system or SDH system fast signal. The slow or fast signal receive/transmit section includes a receive processing unit on a receive side for receiving the SS bits of the SONET/SDH system signal received from a transmission path, an internal SS bits setting unit for setting the SS bits of the received signal to internal SS bits if the SS bits of the received signal are "10" or "00", a transmit processing unit on the receive side for transmitting a signal to the multiplex separation converting section as keeping the SS bits as "11" when an AIS-P is transferred, and a transmit processing unit on a transmit side for transmitting the signal from the multiplex separation converting section onto the transmission path as keeping the SS bits identical with the internal SS bits.
REFERENCES:
patent: 5526349 (1996-06-01), Diaz et al.
patent: 5535219 (1996-07-01), Freitas
patent: 5568486 (1996-10-01), Huscroft et al.
patent: 5623357 (1997-04-01), Kight et al.
patent: 5857092 (1999-01-01), Nakamura et al.
Mori Takashi
Nakano Yukio
Ohira Masaki
Sugawara Toshiki
Hitachi , Ltd.
Nguyen Chau
Nguyen Phuongchau Ba
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