Chapter 5. Configuration Menu61202076L1-1 TSU 600 User Manual 5-3SET LBO Selects the line build out for the network interface.In AUTO mode, the TSU 600 sets the LBO basedon the strength of the receive signal and displaysthe selected value.Choices: 0.0 dB, 7.5 dB, 15 dB, 22 dB, and AutoTo activate the -36 dB receiver sensitivity, setthe LBO to AUTO. This feature is useful in apoint-to-point application where no networkelements are involved. If a network elementsuch as a Smart Jack is installed on the circuit,the LBO should be set to 0 dB.INBANDLPBCKSets unit to accept or reject the network interfaceloop-up and loop-down codes as defined in ANSIT1.403.Choices: Accept, RejectBIT STUFFING When enabled, bit stuffing causes the TSU 600 tomonitor for ones (1s) density violations and inserta one (1) when needed to maintain ones at 12.5%.Choices: Enable, DisableTR-08 The TR-08 submenu configures the unit for TR-08applications. The submenu items and theirdescriptions follow.Alarm ReportEnables and disables the transmitting of alarmreports.Choices: SEND ALARMS, DISABLE ALARMSAlarm FormatSets the alarm frame format to 13 frames or 16frames.Choices: ORB-13, ORB-16BPV ThresholdSets the threshold for BPVs to trigger an alarm.Choices: 10-4, 10-5, 10-6
