3com 5000 ATM Manual De Usuario
Troubleshooting Using LEDs
6-3
Determining Corrective Action
Table 6-2 identifies appropriate corrective actions for each base module
LED indication.
LED indication.
Table 6-2 Base Module LED Corrective Actions
LED
LED State
Possible Cause
Corrective Action
MOD STAT
Green
Normal operating indication.
None required.
Off
No power to hub.
Check the controller module power
LEDs.
LEDs.
The hub does not have enough
available power for a new
module installation.
available power for a new
module installation.
Add another power supply to the hub.
Use the SHOW POWER BUDGET
command to ascertain available power in
the hub.
command to ascertain available power in
the hub.
The ATM Backbone
SwitchModule is faulty.
SwitchModule is faulty.
Insert a different ATM Backbone
SwitchModule.
SwitchModule.
Yellow
Module failed power-on
diagnostics.
diagnostics.
Reset ATM Backbone SwitchModule
(page 6-12).
(page 6-12).
Re-seat ATM Backbone SwitchModule in
CoreBuilder 5000 hub.
CoreBuilder 5000 hub.
PACKETCHANNEL
Green
SwitchModule is correctly
inserted in hub and recognizes
PacketChannel backplane.
inserted in hub and recognizes
PacketChannel backplane.
None required.
Off
ATM Backbone SwitchModule
is not connected to backplane.
is not connected to backplane.
Re-seat the ATM Backbone
SwitchModule in the slot.
SwitchModule in the slot.
Slot does not support
PacketChannel operation. To
verify, enter the command
SHOW MODULE. The General
Information field states “ATM
Slot” if the slot is reserved for
ATM.
PacketChannel operation. To
verify, enter the command
SHOW MODULE. The General
Information field states “ATM
Slot” if the slot is reserved for
ATM.
Install the ATM Backbone SwitchModule
in slots 1 through 8 or 13 through 17.
in slots 1 through 8 or 13 through 17.
PacketChannel backplane not
installed or incorrectly installed
in the hub.
installed or incorrectly installed
in the hub.
Re-install the PacketChannel backplane
or purchase a PacketChannel backplane.
Contact your supplier.
or purchase a PacketChannel backplane.
Contact your supplier.
Yellow
ATM Backbone SwitchModule
transmitting heavy traffic levels
to the PacketChannel
backplane.
transmitting heavy traffic levels
to the PacketChannel
backplane.
None required.
Yellow
Blinking
Blinking
ATM Backbone SwitchModule
transmitting normal traffic
levels to the PacketChannel
backplane.
transmitting normal traffic
levels to the PacketChannel
backplane.
None required.