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Patent Searching and Data


Title:
AUTOMATIC BLOCKING SYSTEM OF TEST DEVICE
Document Type and Number:
Japanese Patent JPS6068754
Kind Code:
A
Abstract:

PURPOSE: To block automatically a faulty test device by supervising a response time of the result of test to the fault of the test device in the maintenance test system of a voice or data exchange.

CONSTITUTION: When a maintenance personnel inputs a test request command from an input/output device 4, a test controller 2A is started via a central processing unit 3, the test controller edits the result of test by test devices 11∼1n, returns it to the central processing unit 3, which outputs the result of test to the input/output device 4. The test controller 2A supervises the required time of the test device and if no command is received from the test device even after a required time is elapsed, retrial is conducted for a prescribed number of times, then a test device fault is informed to the input/output device 4 via the central processing unit and the test device is disconnected from the system and blocked.


Inventors:
SAKAI NORIO
SHIMAKAGE RIYUUZOU
KISHINO NORIAKI
KAWAHARA YASUO
Application Number:
JP17644183A
Publication Date:
April 19, 1985
Filing Date:
September 26, 1983
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE
OKI ELECTRIC IND CO LTD
International Classes:
H04M3/26; H04M3/12; H04M3/22; (IPC1-7): H04M3/26
Attorney, Agent or Firm:
Namiki Akio