Paradyne 8784 manual Monitoring the Unit

4. Monitoring the Unit

Table 4-1. Health and Status Messages (2 of 2)

Message	What Message Indicates	What To Do
Net Com Link Down	The Network communication	1.	Verify that the network cable
	link is down.		is securely attached at both
	Communications between		ends.
	the management system and	2.	Verify the link protocol for the
	the LTU/NTU is not possible.
			COM port is configured
			correctly.
Net Margin Threshold,	The signal-to-noise margin	1.	Check the Network
Pt n	has exceeded the configured		Performance Statistics
	threshold.		screen for possible line
			impairments.
		2.	Set the unit to run at a lower
			DSL line rate.
		3.	Contact network provider.
NTU/LTU Mis match,	The NTU is not configured	Configure units to match.
Pt n	compatibly with the LTU.
OOF at Net, Pt n	Three consecutive frame	1.	Check the Transmit Clock
	synchronization bits were in		Source configuration options.
	error.		Do not set both the local and
			remote unit to Internal,
			External, or Loop timing.
		2.	Set the unit to run at a lower
			DSL line rate.
		3.	Contact network provider.
Prim Clk Failed Pt n	A failure has occurred in the	1.	Verify that the network cable
	primary clock source		is securely attached at both
	configured from the Network,		ends.
	DSX, or from the card	2.	Contact network provider.
	internal clock.
System Operational	There are no problems	No action is needed.
	detected.
Yellow at DSX-1, Pt n	A Yellow Alarm Indication	1.	Verify that the unit’s line
	signal is being received by		framing and line coding are
	the DSX-1 interface.		compatible.
		2.	Contact network provider.

4-4 February 2001 8784-A2-GB20-30