ADTRAN TSU 120e user manual Set Lbo, Inband, Lpbck, Bit, Stuffing

Chapter 5. Configuration Menu

Menu Item	Description
SET LBO	Selects the line build out for the network interface. In
	AUTO MODE, the TSU 120 sets the LBO based on the
	strength of the receive signal and displays the selected
	value.
	Choices: 0.0 dB, 7.5 dB, 15 dB, 22 dB, Auto.
	In order to activate the -36 dB receiver sensitivity, the
	LBO should be set to AUTO.
	This feature is useful in a point-to-point application
	where no network elements are involved. If a network
	element such as a Smart Jack is installed on the circuit,
	the LBO should be set to 0 dB.
INBAND	Sets unit to accept or reject the network interface loop-
LPBCK	up and loop-down codes as defined in ANSI T1.403.
	Choices: Accept, Reject.
BIT	When enabled, bit stuffing causes the TSU 120 to
STUFFING	monitor for ones (1s) density violations and insert a one
	(1) when needed to maintain 1s at 12.5 percent.
	Choices: Enable, Disable.
TR-08	The TR-08 submenu configures the unit for TR-08
	applications. The submenu items and their descriptions
	follow.
	Alarm Report
	Enables and disables the transmitting of alarm reports.
	Choices: SEND ALARMS, DISABLE ALARMS
	Alarm Format
	Sets the alarm frame format to 13 frames or 16 frames.
	Choices: ORB-13, ORB-16
	BPV Threshold
	Sets the threshold for BPVs to trigger an alarm.
	Choices: 10-4, 10-5, 10-6

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