DSL Test Heads - Four Test Bus

                                                      DSL Test Head

Photo courtesy of UTEL

 

One of the Test Head products produced by UTEL to compliment the Test Access Switches, Test Access Matrix Switches, Site Controllers and test equipment.

Each Test Bus can go to a different Test Head, this allows flexibility and the use of existing test infrastructure that may already be installed and used as part of the test process. The test bus can be 2 or 4 wire. A four wire test bus allows the test head to control the testing and choose to look 'out' or 'in'. A two wire bus requires the test access switch to choose the route being tested. Both Test Heads and Test Access switches tend to offer this functionality.

Specification:

  • dc voltages, across pair, a-leg to ground, b-leg to ground
  • ac voltages, across pair, a-leg to ground, b-leg to ground
  • Resitance, across pair, a-leg to ground, b-leg to ground
  • Capacitance, across pair, a-leg to ground, b-leg to ground
  • Monitor dial tone, voice circuit
  • Built in Golden Modem - test DSLAM output
  • Split line options
  • Short circuit line detection
  • Apply tones in or out
  • 19" or ETSI rack mount

More detailed tests and the full specification can be found on the UTEL website.

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