TESTING COMMUNICATION NETWORK

Title:

TESTING COMMUNICATION NETWORK

Document Type and Number:

Japanese Patent JPS5291304

Kind Code:

A

Abstract:

PURPOSE: To test a network in an economical manner by enabling, in an on-line manner, the conduction test and the on-stack failure test for the communication network using a calling truck.

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Inventors:

KOJIMA KIMIFUMI

Application Number:

JP748976A

Publication Date:

August 01, 1977

Filing Date:

January 28, 1976

Export Citation:

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Assignee:

HITACHI LTD

International Classes:

H04M3/26; H04M3/32; H04Q3/545; (IPC1-7): H04M3/28; H04Q3/54

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