Cisco Systems 1700 manual Troubleshooting the Power System, Symptom Possible Causes

Chapter 3 Troubleshooting

Table 3-2	Troubleshooting WAN Interface Cards (Continued)
Symptom		Possible Cause(s)
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.
		• Verify that the parameters for your terminal are set to the following:
		— 9600 baud
		— 8 data bits
		— No parity generated or checked
		— 1 stop bit
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 3-3list symptoms and possible causes of power problems.

Table 3-3	Troubleshooting the Power System
Symptom		Possible Cause(s)
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”
		appendix later in this guide and in the “Site Requirements” section in
		the Regulatory Compliance and Safety Information for the Cisco 1700
		that came with your router.
		• If the front-panel PWR LED is not on, the power supply has failed.
The router attempts to boot, but all LEDs		The power supply has failed.
remain off.

The router is on, but the front-panel PWR LED is off.

The power supply has failed.

	Cisco 1700 Router Hardware Installation Guide
78-5405-03		3-9