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Application Series
SunSet xDSL IDSL Module:
IDSL Circuit Testing
Publication Number APP-xDSL-011 Rev. A
Page 1: ...an Jose CA 95119 USA ph 1 408 363 8000 fax 1 408 363 8313 info sunrisetelecom com www sunrisetelecom com a step ahead Application Series SunSet xDSL IDSL Module IDSL Circuit Testing Publication Number...
Page 2: ...loop up commands can be sent to loop up the IDSL Router NT TA at the CP if it has been installed A Bit Error Rate Test BERT can then be run towards the loop to verify the performance of the circuit F...
Page 3: ...the appropriate clock setting that fits the application to be run Connect the U 2B1Q connector of the test set to the IDSL circuit under test and connect the U EXT CLK connector to the external clock...
Page 4: ...id green indicating test pattern synchronization and that the BIT ERR LED is off Inject a bit error from the test set by pressing the ERR INJ key on the keypad The BIT ERR LED should turn red for abou...
Page 5: ...NT 144k mode the test set shows only the received M4 bits The left most M4 bit displayed on the screen is the ACT bit If it is set to a 1 or if the ACT indication is marked with an asterisk the circui...
Page 6: ...g the NT 144k mode The T1 E1 SIG LED should turn green followed by the LP1 SYNC LED after Layer 1 frame synchroni zation is acquired If the circuit goes through a DLC enter the M4 ACCESS screen on the...
