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Chapter 3 Troubleshooting
Table | Troubleshooting WAN Interface Cards (Continued) | |
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Symptom |
| Possible Cause(s) |
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Router boots, but the console screen | • Make sure the console cable is securely connected to the router and to the | |
is frozen. |
| PC or terminal. |
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| • Verify that the parameters for your terminal are set to the following: |
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| — 9600 baud |
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| — 8 data bits |
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| — No parity generated or checked |
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| — 1 stop bit |
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| |
Router powers on and boots only | • Confirm that the Cisco IOS software version installed in the router supports | |
when a particular WAN interface | the WAN interface card. The Cisco WAN Interface Cards Hardware | |
card is removed from the router. | Installation Guide lists the software requirements for each card. |
• The router might be overheating. Contact your Cisco reseller.
Router powers on and boots only when a particular cable is disconnected.
There might be a problem with the WAN interface card or card cables. Consult your Cisco reseller for warranty information.
Troubleshooting the Power System
If the router external power supply fails, it should be returned to your Cisco reseller. Table
Table | Troubleshooting the Power System | |
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Symptom |
| Possible Cause(s) |
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| |
Router shuts down after being on a short | • Make sure that the area in which the router is installed meets the | |
time. |
| environmental site requirements in the “Technical Specifications” |
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| appendix later in this guide and in the “Site Requirements” section in |
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| the Regulatory Compliance and Safety Information for the Cisco 1700 |
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| that came with your router. |
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| • If the |
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| |
The router attempts to boot, but all LEDs | The power supply has failed. | |
remain off. |
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The router is on, but the
The power supply has failed.
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| Cisco 1700 Router Hardware Installation Guide |
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