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Chapter 3 Troubleshooting
Problems During First Startup
3-2
Cisco 837 Router and SOHO 97 Router Hardware Installation Guide
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Problems During First Startup
Table 3-1 lists problems that could occur the first time you turn on the router.
Table 3-1 Problems During First Startup
Symptom Problem Solutions
All LEDs,
including OK
LED, are off.
No power to router Perform the following steps:
1. Make sure that the power switch is set to ON.
2. Make sure that all connections to and from the power
supply are secure.
3. Make sure that the power outlet has power.
4. If the problem continues, the power supply might be
faulty. Contact your Cisco reseller.
No connection to
Ethernet device.
(Ethernet 1 LED is
off.)
A cable-related
problem:
• Improperly
connected cable.
• Damaged cable.
Perform the following steps:
1. To make sure that you have cabled the device
correctly, see the “Connecting a Terminal or PC to
the Router’s Console Port (Optional)” section on
page 2-15.
2. Make sure that the connectors at both ends of the
cable are securely seated.
3. Make sure that the cable is not physically damaged.
If it is damaged, order another cable from Cisco or
replace it with a similar cable.
No connection to
ADSL link. (The
CD LED on the
front panel is off
for a long time.)
Wrong cable
• To make sure that you are using the correct cable, see
Appendix A, “Specifications and Cables.”
No connection to
ADSL link. (The
CD LED on the
front panel is off
for a long time.)
Improperly connected
cable
• To make sure that you have connected the ADSL
cable properly, see the “Connecting an ADSL Line”
section on page 2-13.
• Make sure that the connectors at both ends of the
cable are securely seated.