user manual

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Cisco 836 Router and SOHO 96 Router Hardware Installation Guide
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Chapter 3 Troubleshooting
Problems After Router Is Running
Problems After Router Is Running
Table 3-2 lists problems that could occur after the router has been up and running.
No connection to
ADSL link. (The
CD LED on the
front panel is off
for a long time.)
Improperly connected
cable
• Make sure that you have connected the ADSL cable
properly. See the “Connecting an ADSL Line”
section on page 2-10.
• Make sure that the ADSL port is connected to the
correct port on the ISDN splitter.
• Make sure that the connectors at both ends of the
cable are securely seated.
Table 3-1 Problems During First Startup (continued)
Symptom Problem Solutions
Table 3-2 Problems After Router Is Running
Symptom Problem Solutions
Problems with Ethernet
connection. (Ethernet LED
1, 2, 3, or 4 is off or
blinking.)
A cable-related
problem:
• Disconnected cable
• Damaged cable
• Make sure that the Ethernet port is not
configured to be administratively down.
• Make sure that the device connected to
the Ethernet port is connected, powered
on, and properly configured.
• Make sure that the connectors at both
ends of the cable are secure.
• Make sure that the cable is not physically
damaged. If it is damaged, order another
cable from Cisco Systems or replace it
with a similar cable.