6-4
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide
OL-5331-01
Chapter 6 Troubleshooting
Problems After the Router Is Running
Connection to the xDSL line is
intermittent or lost. (The ADSL CD
or G.SHDSL CD LED on the front
panel is off.)
A cable-related problem:
•
Disconnected cable.
•
Damaged cable.
•
Make sure that the connectors are secure at both
ends of the cable.
•
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 xDSL line or WAN
port is loose. (The WAN LNK LED
and the ETHERNET LAN 0,
ETHERNET LAN 1, ETHERNET
LAN 2, or ETHERNET LAN 3 LED
on the front panel are off.)
Problem with DSL line or
WAN service.
Contact your DSL line or WAN service provider to
determine whether there is a problem with the DSL or
WAN service.
Connection to the xDSL line is
intermittent or lost. (The ADSLCD or
G.SHDSL CD LED on the front panel
is off.)
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.
•
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 xDSL line or WAN
is lost. (The ADSL CD or G.SHDSL
CD LED and the ETHERNET LAN 0,
ETHERNET LAN 1, ETHERNET
LAN 2, or ETHERNET LAN 3 LED
on the front panel are off).
Problem with xDSL or WAN
service.
•
Check all passwords and device names to make
sure that they are correct.
•
Contact your DSL line or WAN service provider
to determine whether there is a problem with the
ADSL or WAN service.
Table 6-2
Problems After the Router Is Running (continued)
Symptom
Problem
Solutions