Troubleshooting Wics And Cables - Cisco 815 Hardware Installation Manual

Problem Solving

Troubleshooting WICs and Cables

Table 3-2 Troubleshooting WICs
Symptom
Router does not recognize
WIC.
Router recognizes the
WIC(s), but the card port(s)
do not initialize.
Router does not boot
properly, or router
continuously or
intermittently reboots.
Cisco 815 Integrated Services Router Hardware Installation Guide
3-8
Table 3-1 OK LED Blinking Patterns
Number of Blinks
2
3
4
5
6
9
Use the show diag command to help determine problems with a card.
lists problems that could occur with WAN interface cards (WICs) and the possible
causes of these problems.
Possible Cause(s)
Confirm that the Cisco IOS software version installed in the router
•
supports the WIC. The
Installation Guide
• Use the show diag command to display information about the card
as shown in
• Make sure that the WIC is correctly installed in the router.
Check the external cable connections to make sure they are secure.
•
Make sure that the WIC is correctly installed in the router.
Meaning
The 860P dual-port random-access memory (DPRAM) has
failed.
The parameter RAM area of the 860P DPRAM has failed.
The 860P system protection control register has a write
failure.
The router cannot detect the dynamic random-access
memory (DRAM).
The user programmable machine has a write failure.
The router DRAM has failed.
Cisco Interface Cards Hardware
lists the software requirements for each card.
Example, page 3-9.
Chapter 3 Troubleshooting
Table 3-2
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