Cisco Systems XR 12410 manual PRP Reset Switch PRP Alphanumeric Message Displays

										Contents
		Additional Power Subsystem Troubleshooting Information							4-12
		Troubleshooting the Power Distribution System 4-14
		Troubleshooting the Processor Subsystem				4-15
		Performance Route Processor Overview					4-16
		PRP PCMCIA Card Slots and Status LEDs 4-16
		PRP Ethernet Ports and Status LEDs					4-17
		PRP Auxiliary and Console Ports				4-18
		PRP Reset Switch 4-18
		PRP Alphanumeric Message Displays 4-19
		PRP Memory Components			4-20
		PRP SDRAM	4-22
		PRP SRAM	4-22
		PRP NVRAM	4-23
		PRP Flash Memory		4-23
		Troubleshooting the Route Processor				4-24
		Troubleshooting Using the RP Alphanumeric Display						4-25
		Troubleshooting Line Cards			4-27
		Troubleshooting Using the Line Card Alphanumeric Display							4-28
		Troubleshooting Using the Alarm Display					4-33
		Monitoring Critical, Major, and Minor Alarm Status						4-34
		Troubleshooting the Cooling Subsystem 4-35
		Blower Module Operation			4-36
		Power Supply Operation		4-36
		Overtemperature Conditions 4-37
		Isolating Cooling Subsystem Problems				4-38
		Maintaining the Router
C H A P T E R 5			5-1
		Prerequisites and Preparation 5-2
		Powering Off the Router 5-2
		Removing and Replacing the Air Filter Door Front Cover						5-3
					Cisco XR 12410 Router Installation Guide
	OL-13832-01										ix