Cisco 877W Hardware Installation Guide - Page 78

Problems During First Startup - review

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Problems During First Startup Chapter 6 Troubleshooting Problems During First Startup Table 6-1 lists problems that could occur the first time you turn on the router. Table 6-1 Problems During First Startup Symptom Problem Solutions All LEDs, including No power to router. OK LED, are off. Perform the following tasks in order: 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 could be faulty. Contact your Cisco reseller. No connection to modem or to Ethernet switch. (WAN LNK LED is off.) A cable-related problem: • Improperly connected cable. • Damaged cable. Perform the following tasks in order: 1. Make sure that you have cabled the device correctly. Review the instructions in Chapter 4, "Router Cabling Procedures." 2. Make sure that the connectors at both ends of the cable are securely seated. 3. Check whether the cable is physically damaged. If it is damaged, order another cable from Cisco, or replace it with a similar cable. No connection to Ethernet devices. (ETHERNET LAN 0, ETHERNET LAN 1, ETHERNET LAN 2, and ETHERNET LAN 3 LEDs are off.) A cable-related problem: • Improperly connected cable. • Damaged cable. Perform the following tasks in order: 1. Make sure that you have cabled the device correctly. See Chapter 4, "Router Cabling Procedures." 2. Make sure that the connectors at both ends of the cable are securely seated. 3. Check whether the cable is physically damaged. If it is damaged, order another cable from Cisco Systems, or replace it with a similar cable. Cannot connect to the Internet. • Broadband modem or external Ethernet switch is not connected or turned on. • There is a problem with the broadband or WAN service. • Router is improperly configured. • Reconnect the broadband modem or external Ethernet switch, and make sure that it is receiving power. • Check with the Internet service provider or corporate network administrator to determine whether there is a problem. • Use the Cisco Router and Security Device Manager (SDM) software to configure the router, or configure the router using a PC that is connected to the console port. No connection to xDSL link. (The WAN LNK 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." Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide 6-2 OL-5331-01

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6-2
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide
OL-5331-01
Chapter 6
Troubleshooting
Problems During First Startup
Problems During First Startup
Table 6-1
lists problems that could occur the first time you turn on the router.
Table 6-1
Problems During First Startup
Symptom
Problem
Solutions
All LEDs, including
OK LED, are off.
No power to router.
Perform the following tasks in order:
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 could be faulty.
Contact your Cisco reseller.
No connection to
modem or to Ethernet
switch. (WAN LNK
LED is off.)
A cable-related problem:
•
Improperly connected
cable.
•
Damaged cable.
Perform the following tasks in order:
1.
Make sure that you have cabled the device correctly. Review the
instructions in
Chapter 4, “Router Cabling Procedures.”
2.
Make sure that the connectors at both ends of the cable are
securely seated.
3.
Check whether the cable is physically damaged. If it is damaged,
order another cable from Cisco, or replace it with a similar cable.
No connection to
Ethernet devices.
(ETHERNET LAN 0,
ETHERNET LAN 1,
ETHERNET LAN 2,
and ETHERNET
LAN 3 LEDs are off.)
A cable-related problem:
•
Improperly connected
cable.
•
Damaged cable.
Perform the following tasks in order:
1.
Make sure that you have cabled the device correctly. See
Chapter 4, “Router Cabling Procedures.”
2.
Make sure that the connectors at both ends of the cable are
securely seated.
3.
Check whether the cable is physically damaged. If it is damaged,
order another cable from Cisco Systems, or replace it with a
similar cable.
Cannot connect to the
Internet.
•
Broadband modem or
external Ethernet switch
is not connected or
turned on.
•
There is a problem with
the broadband or WAN
service.
•
Router is improperly
configured.
•
Reconnect the broadband modem or external Ethernet switch,
and make sure that it is receiving power.
•
Check with the Internet service provider or corporate network
administrator to determine whether there is a problem.
•
Use the Cisco Router and Security Device Manager (SDM)
software to configure the router, or configure the router using a
PC that is connected to the console port.
No connection to
xDSL link. (The WAN
LNK 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.”