Black Box LMC5601C-VDSL2 manual Operation, Page, blackbox.com

Chapter 5: Operation

5. Operation

5.1 LED Operation

Each module features diagnostic LEDs that provide information on features and ports.

LED	Function
	VDSL2
RAI	The Remote Alarm Indication LED is YELLOW
	when the unit at the far end of the Unit has an alarm
FL	Fault Loopback will be ON GREEN if this function is
	enabled and BLINK if it is actively inhibiting the
	Ethernet port due to a LOS of the VDSL line
LOS	The LOS LED is RED when the VDSL port is down.
ER	The ERROR LED will Blink YELLOW when the
	VDSL line receives a symbol error. ON if the VDSL
	bandwidth falls below the user defined level.
	LINK QUALITY
8-4-2-1	These 4 GREEN LEDs form a binary code
	indicating the MAX bandwidth the VDSL line can
	support.
	DATA
OVF	Overflow LED will Blink YELLOW when frames are
	lost due to congestion on the VDSL line.
LFPT	Link Fault Pass-Through will be ON GREEN if this
	function is enabled and BLINK if it is actively
	inhibiting the Ethernet port due to a LOS of the far
	end TX line.
LOS	The LOS LED is RED when the DATA port is down.
ER	The ER LED is YELLOW when the DATA port
	receives an error.

The VDSL2 will generate a Trap (when enabled in iView2 ) whenever a Loss of Signal (LOS) occurs. In addition, the end user can set a VDSL Quality Level that will generate a Trap if the line fails below that set level.

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