Title:
ATM SWITCHBOARD
Document Type and Number:
Japanese Patent JP3129300
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a signal device having simple constitution suitable to the ATM switchboard and to provide an exchange system which is very economical by efficiently arranging signal devices in the ATM exchange system.
SOLUTION: An adaptation processing is performed in common to subscriber lines by collecting and distributing cells of signal channels by using an ATM switch 30 by installing a subscriber line signal device 1 including an ADP process part 107 on the repeating line side of the ATM switch 30. Further, a repeating line signal device including an ADP processing part 100 is installed on the subscriber line side of the ATM switch 30 for signals from a repeating line.
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Inventors:
Masao Kunimoto
Jiro Kashio
Makoto Mori
Shinobu Gohara
Jiro Kashio
Makoto Mori
Shinobu Gohara
Application Number:
JP2964999A
Publication Date:
January 29, 2001
Filing Date:
February 08, 1999
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H04L12/28; (IPC1-7): H04L12/28
Domestic Patent References:
| JP62115949A | ||||
| JP62131652A | ||||
| JP6350297A | ||||
| JP6444653A | ||||
| JP290834A | ||||
| JP59501034A |
Other References:
【文献】国際公開84/265(WO,A1)
【文献】米国特許4611322(US,A)
【文献】米国特許4611322(US,A)
Attorney, Agent or Firm:
Yasuo Sakuta