Cisco 1751 User Manual
Page 52
Chapter 3
Troubleshooting
Problem Solving
3-10
Cisco 1751 Router Hardware Installation Guide
78-11258-04
.
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 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. Refer
to the
section in the
chapter.
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
section in the
chapter.
•
Check the external cable connections to make sure they are
secure.
Router does not boot properly or
continuously or intermittently
reboots.
Make sure that the WIC or VIC is correctly installed in the router.
Refer to the
section in the
chapter.
Router does not boot or reset
after the WIC or VIC is inserted.
There might be a short. Turn off the router immediately.
Router boots, but the console
screen is frozen.
•
Make sure 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