Title:
【発明の名称】クロスコネクト装置
Document Type and Number:
Japanese Patent JP2867860
Kind Code:
B2
Abstract:
A plurality of crossconnect systems are respectively arranged at branch points of a network transmission line system. Each of the crossconnect systems includes a first setting unit, a second setting unit, and a checking unit. The first setting unit sets a primary transmission route of the network transmission lines. The second setting unit automatically searches for and sets an alternate route when a fault is detected in the primary transmission route set by the first setting unit. The checking unit checks the operation of each transmission line according to a predetermined timing.
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Inventors:
TABATA OSAMU
Application Number:
JP31704993A
Publication Date:
March 10, 1999
Filing Date:
December 16, 1993
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
H04M3/22; H04J3/14; H04L12/24; H04L12/50; H04M3/00; H04Q3/52; H04Q11/04; (IPC1-7): H04M3/00; H04L12/24; H04L12/26; H04M3/22
Attorney, Agent or Firm:
Naotaka Ide