60
x900 Series Switch and SwitchBlade
®
x908
C613-03092-00 REV J
Troubleshooting
This section provides information on how to troubleshoot the x900 series
switch and SwitchBlade x908 to resolve the following basic problems:
■
L/A LED on a port is off
■
Power LED is off
■
Fault LED is on
What to check first
■
Check power cord connections.
■
Check that the power supply voltage is stable.
■
Check that the correct data cables are used and that their connections are
secure.
■
Make sure that other network devices work properly.
■
Check that the latest software release is loaded. The Software Reference
describes how to obtain the latest software release.
•
On switches running the AlliedWare operating system, use the show
install
command.
•
On switches running the AlliedWare Plus operating system, use the
show version
command.
■
If the switch malfunctions, reboot it using one of the following methods:
•
use a small diameter pin to operate the recessed Reset button on the
switch’s front panel
•
shut down and restart the switch at the main power source (AC models)
or use the Run/Standby switch on the PSU (DC models).
•
On switches running the AlliedWare operating system, use the restart
reboot
command.
•
On switches running the AlliedWare Plus operating system, use the
reload
command.
L/A LED on a
port is off
If the Link/Activity LED is off, it may indicate the following:
■
a loose data cable
■
the device at the other end of the connection does not work properly or is
turned off
■
the data cable is not wired correctly
■
the network administrator has manually disabled the port through the
software
■
the port’s selected transmission mode does not match that of the attached
device
Follow these suggestions to resolve the problem:
1.
Make sure the data cable connections are secure.
2.
Make sure the device at the other end of the connection is powered on and
works properly.
3.
Check that the data cable is wired correctly.
4.
If you can, log in and check the port status. How to log in is described in the
x900 Series Switch and SwitchBlade
®
x908 Installation and Safety Guide.
