Cisco Systems UBR10012 manual Cisco uBR10012 System Startup Sequence, Tcc+

Chapter 1 Basic Troubleshooting Tasks and Startup Issues

Cisco uBR10012 System Startup Sequence

Figure 1-1 Hardware Troubleshooting Flowchart

Turn

on

PEM

*Miswire		No	Correct
			input
LED			wiring
off
?
Yes
PEM				PEM				See section
		No	Troubleshoot			No		"PEM Faults"
Power OK				Power OK
			PEM
LED	on			LED	on
?				?
Yes					Yes
								See section
PRE			Reseat	PRE				"PRE Module
		No				No		Faults"
Status
			PRE	status LEDs
LEDs OK			and restart	OK?
?
Yes					Yes			See section
ICC+				ICC+			"Troubleshooting
		No	Reseat			No		TCC+"
Status
LEDs OK			TCC+	status LEDs
				OK?
?
Yes					Yes		See appropriate
			Reseat	Line			line card fault
Line card		No				No		section
			line card	card LEDs
LEDs	on		and restart	OK
?
				?
Yes					Yes				Obtain
System								technical
								assistance
startup
successful

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Cisco uBR10012 System Startup Sequence

Table 1-1describes the visible sequence of events that occur during a typical Cisco uBR10012 power up.

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

OL-1237-01 1-5