Nishiyama Corporation

xDSL transmission equipment

In order to meet various customer's requirements. Nishiyama offers DSL transmission systems such as SHDSL. It is suitable to adapt the systems for high-speed internet communication and various broadband applications.

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PSTN/ISDN Central Office Simulators

These simulate central office functions to check data sending/receiving capability and the communication ability of PSTN / ISDN terminals in R&D laboratories and product testing lines. It is able to simulate functions used in Japan as well as other countries.

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Test system for type approval

This system handles testing for type approvals which are required. A personal computer can fully handle testing automatically with selected test items. Nishiyama offers the test system for Japanese approval as well as other countries. The test result will be printed in the format required by the application for approval. The system saves lots of time for users to gather all the test results and prepare the application.

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Facsimile tester

The signal of GIII facsimile can be sent/ received, and the protocol of facsimile signal and the error of a drawing signal can be analyzed. This tester has been used by many customers for verification of new product developments in R&D.

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