Title:
【発明の名称】ATM交換システムにおける加入者集線方式
Document Type and Number:
Japanese Patent JP2864749
Kind Code:
B2
Abstract:
PURPOSE:To simplify the construction of a line concentration unit in a digital exchange system adopting ATM system. CONSTITUTION:The system incorporates plural line concentration units 1(a) to 1(n) housing subscribers respectively and a distribution unit 2 connected to the concentration units, an ATM switch is used for the concentration units 1(a) to 1(n), and transmission system for the entire system is systematized in the ATM system. Accordingly, the quantity of hardware of the concentration units can be reduced, comparing with the conventional system. Since the entire system is systematized in the ATM system, the maintenance of the switches can be facilitated and productivity can be improved.
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Inventors:
TANABE YOSHIICHI
Application Number:
JP352991A
Publication Date:
March 08, 1999
Filing Date:
January 17, 1991
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
H04L12/28; (IPC1-7): H04L12/28
Domestic Patent References:
| JP59117394A |
Other References:
信学技報ＳＳＥ８９−１４８
信学技報ＳＳＥ８９−３８
信学技報ＳＳＥ８９−３８
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)