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Cisco 1760 Modular Access Router Hardware Installation Guide
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Chapter 3 Troubleshooting
Problem-Solving
Table 3-2
Troubleshooting WICs and VICs
Symptom
Possible Solutions
Router does not recognize the
card.
•
Confirm that the Cisco IOS release installed in the router
supports the WIC or VIC.
•
Make sure that you have a Cisco IOS feature set that supports
voice. The
Cisco WAN Interface Cards Hardware Installation
Guide
lists the software requirements for each card.
•
Make sure that the card is correctly installed in the router. See
the
“Installing WICs and VICs”
section in Chapter 2,
“
Installation
.”
Router recognizes the cards, but
the card ports do not initialize.
•
Make sure that the card is correctly installed in the router. Refer
to the
“Installing WICs and VICs”
section in the
“Installation”
chapter.
•
Check the external cable connections to make sure they are
secure.
Router does not boot properly, or
router reboots continuously or
intermittently.
Make sure that the WIC or VIC is correctly installed in the router.
See the
“Installing WICs and VICs”
section in Chapter 2,
“
Installation
.”
Router boots, but the console
screen is frozen.
•
Make sure that the console cable is securely connected to the
router and to the PC or terminal.
•
Verify that the parameters for your terminal are set to the
following:
–
9600 baud
–
8 data bits
–
no parity
–
1 stop bit
–
no flow control
Router does not boot or reset
after the WIC or VIC is inserted.
There might be an electrical short. Turn off the router immediately.
