Test-Um NT955 operating instructions Port Discovery

Models: NT955

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6.1. Port Discovery

Test-Um NT955 Series

ValidatorTM Network Tests

6.1. Port Discovery

Port discovery identifies telephone or network devices connected to the other end of the jack or cable. The test begins with a search for voltages that may be present. If voltages are found, the patterns for commonly used services are compared to the voltages observed and reported as phone, ISDN or legacy phantom power as appropriate. If the voltage pattern is unknown, the port pin conditions are reported.

Port Discovery Untitled1.job

 

2005 Aug 25 Test-Um Inc.

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10:53:01

VALIDATOR

Telephone

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Figure 6.2 Phone Detected

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Test-Um NT955 operating instructions Port Discovery