Cisco Systems 815 manual Troubleshooting WICs and Cables, Number of Blinks Meaning

Chapter 3 Troubleshooting

Problem Solving

Table 3-1	OK LED Blinking Patterns
Number of Blinks		Meaning
2		The 860P dual-port random-access memory (DPRAM) has
		failed.
3		The parameter RAM area of the 860P DPRAM has failed.
4		The 860P system protection control register has a write
		failure.
5		The router cannot detect the dynamic random-access
		memory (DRAM).
6		The user programmable machine has a write failure.
9		The router DRAM has failed.

Troubleshooting WICs and Cables

Use the show diag command to help determine problems with a card. Table 3-2lists problems that could occur with WAN interface cards (WICs) and the possible causes of these problems.

Table 3-2		Troubleshooting WICs
Symptom			Possible Cause(s)
Router does not recognize			• Confirm that the Cisco IOS software version installed in the router
WIC.			supports the WIC. The Cisco Interface Cards Hardware
			Installation Guide lists the software requirements for each card.
			• Use the show diag command to display information about the card
			as shown in Example, page 3-9.
Router recognizes the			• Make sure that the WIC is correctly installed in the router.
WIC(s), but the card port(s)			• Check the external cable connections to make sure they are secure.
do not initialize.
Router does not boot			Make sure that the WIC is correctly installed in the router.
properly, or router
continuously or
intermittently reboots.
	Cisco 815 Integrated Services Router Hardware Installation Guide
3-8			OL-9558-01