Multiplex communications – Wide area network – Packet switching
Patent
1994-08-25
1996-04-09
Kizou, Hassan
Multiplex communications
Wide area network
Packet switching
370 681, 3701101, H04J 312, H04Q 1108
Patent
active
055068430
ABSTRACT:
In a subscriber group digital transmitter, it becomes possible to recognize a position of signaling control monitoring signal accurately, when improving a TSI (Time Slot Interchange) function between a plural DS1 lines provided with a hybrid signaling system.
The transmitter comprising a TSI circuit for cross-connecting time slots of a receipt DS1 data detects a position of signaling control monitoring signal of the receipt DS1 data on the foregoing section of TSI circuit, transmit the position information to the latter section of TSI circuit, and recognizes a signaling control monitoring signal based on the position information.
REFERENCES:
patent: 4327436 (1982-04-01), Ohara et al.
patent: 4520477 (1985-05-01), Wen
patent: 5144624 (1992-09-01), Sharper et al.
Fujitsu Limited
Kizou Hassan
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