Cisco 877W Hardware Installation Guide - Page 79

Problems After the Router Is Running - adsl security router

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Chapter 6 Troubleshooting Problems After the Router Is Running Table 6-1 Problems During First Startup (continued) Symptom Problem Solutions No connection to xDSL link. (The WAN LNK 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 Chapter 4, "Router Cabling Procedures." • Make sure that the connectors at both ends of the cable are securely seated. No connection to xDSL link. (The CD LED on the front panel is off for a long time.) Wrong cable. • Make sure that you are using the correct cable. See Appendix A, "Specifications." No connection to xDSL 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 Chapter 4, "Router Cabling Procedures." • 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. Problems After the Router Is Running Table 6-2 lists problems that could occur after the router has been up and running. Table 6-2 Problems After the Router Is Running Symptom Problem Solutions Problems with Ethernet connection. (ETHERNET LAN 0, ETHERNET LAN 1, ETHERNET LAN 2, and ETHERNET LAN 3 LEDs are off.) A cable-related problem: • Disconnected cable. • Damaged cable. Perform the following tasks in order: 1. Make sure that the connectors at both ends of the cable are secure. 2. Check whether the cable is physically damaged. If it is damaged, order another cable from Cisco Systems, or replace it with a similar cable. Connection to the broadband or Ethernet line is intermittent or lost. (The WAN LNK, ADSL CD, or G.SHDSL CD LED on the front panel is off.) A cable-related problem: • Disconnected cable. • Damaged cable. Perform the following tasks in order: 1. Make sure that the connectors at both ends of the cable are secure. 2. 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. Connection to the broadband or Ethernet line is intermittent or lost. (The WAN LNK, ADSL CD, or G.SHDSL CD LED on the front panel is off.) Problem with broadband line or WAN service. Contact your broadband line or WAN service provider to determine whether there is a problem. OL-5331-01 Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide 6-3

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6-3
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide
OL-5331-01
Chapter 6
Troubleshooting
Problems After the Router Is Running
Problems After the Router Is Running
Table 6-2
lists problems that could occur after the router has been up and running.
No connection to
xDSL link. (The WAN
LNK 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
Chapter 4, “Router Cabling Procedures.”
•
Make sure that the connectors at both ends of the cable are
securely seated.
No connection to
xDSL link. (The CD
LED on the front panel
is off for a long time.)
Wrong cable.
•
Make sure that you are using the correct cable. See
Appendix A,
“Specifications.”
No connection to
xDSL 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
Chapter 4, “Router Cabling Procedures.”
•
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 6-1
Problems During First Startup (continued)
Symptom
Problem
Solutions
Table 6-2
Problems After the Router Is Running
Symptom
Problem
Solutions
Problems with Ethernet connection.
(ETHERNET LAN 0, ETHERNET
LAN 1, ETHERNET LAN 2, and
ETHERNET LAN 3 LEDs are off.)
A cable-related problem:
•
Disconnected cable.
•
Damaged cable.
Perform the following tasks in order:
1.
Make sure that the connectors at both ends of the
cable are secure.
2.
Check whether the cable is physically damaged.
If it is damaged, order another cable from
Cisco Systems, or replace it with a similar cable.
Connection to the broadband or
Ethernet line is intermittent or lost.
(The WAN LNK, ADSL CD, or
G.SHDSL CD LED on the front panel
is off.)
A cable-related problem:
•
Disconnected cable.
•
Damaged cable.
Perform the following tasks in order:
1.
Make sure that the connectors at both ends of the
cable are secure.
2.
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.
Connection to the broadband or
Ethernet line is intermittent or lost.
(The WAN LNK, ADSL CD, or
G.SHDSL CD LED on the front panel
is off.)
Problem with broadband line
or WAN service.
Contact your broadband line or WAN service provider
to determine whether there is a problem.