Patton electronic 3196RC user manual System

Model 3196RC T-DAC User Manual 5 • Troubleshooting and maintenance

Table 8. LED definitions (Continued)

LED	Location	Color	Status	Meaning
SYSTEM	Front	Green	Flash-	The Model 3196RC is operating normally. No action rec-
	panel		ing	ommended.
			Off	The Model 3196RC is not functioning properly. As soon
				as possible, unplug both power cables from the Model
				3196RC, wait 30 seconds, then plug the cables back
				into the Mode 3196RC to see if the problem disappears.
				If the SYSTEM LED remains lit after the Model 3196RC
				completes the power-up cycle, contact Patton Technical
				Support to determine whether the T-DAC needs to be
				replaced.
ETHERNET	Front	Green	On solid	Link status is nominal for the Ethernet port. No action recom-
	panel			mended.
			Off	• A valid link has not been detected.
				• Verify that an Ethernet cable is plugged into the hub, switch,
				or workstation and the Ethernet port of the Model 3196RC.
				• Verify that the hub, switch, or workstation is powered on.
				• Verify that the correct straight-through or cross-over cable is
				being used, depending on whether you are connecting to a
				workstation (PC), hub, or switch.
				• Replace the cable. If the problem still exists, contact Patton Tech-
				nical Support to determine if the T-DAC should be replaced.
CLK SOURCE	Front	Green	On solid	The 3196RC is set as the Master Clock source. No action rec-
	panel			ommended.
			Flashing	The 3196RC is set as the secondary clock source. No action
				recommended.
			Off	The 3196RC is set as the slave, getting its clock from the H.110
				Bus. No action recommended.
CLK ERROR	Front panel	Yellow	On solid	Master Clock source has been lost and the 3196RC is using the
				secondary source for its clock.
			Flashing	Master Clock source and the Secondary Clock source have been
				lost and the 3196RC is using its internal crystal for its clock.
			Off	No clock errors currently detected.
				No action recommended.
TEST MODE	Front panel	Green	On solid	One or more iDSL ports or T1/E1 ports is in test mode.
				No action recommended.
			Flashing	One or more of the iDSL ports or the T1/E1 ports is in test mode
				and errors have been received.
			Off	None of the iDSL ports is operating in test mode.
				No action recommended.

Fault analysis 73