Chapter 4: Troubleshooting
4-2 ESX-1320/ESX-1380 Installation Guide
Table 4-1 LANVIEW LEDs
LED Color Description
Error Condition
Recommended Action
CPU Off Power off. Turn power on.
Red Blinking. SDRAM or
LDRAM failure.
Contact Cabletron Systems
Technical Support.
Yellow Blinking. No
communications with
switch processor.
Contact Cabletron Systems
Technical Support for
assistance.
Green Blinking. Board OK. No action.
Yellow
and
Green
Blink 1/2 sec. green
and 1/2 sec. yellow.
Booting. Performing
BOOTP, TFTP, or
loading from FLASH.
Verify LED blinks green only
after approx. 45 seconds.
Otherwise, press the RESET
button.
Yellow Testing. Board
performing memory
test.
Verify LED blinks green after
approx. 180 seconds.
Otherwise, press the RESET
button.
Transmit Off Port enabled, no
activity.
Should flash green every 2
seconds indicating BPDUs
being sent if Spanning Tree
Algorithm is active.
Green Flashing. Indicates
activity or enabled port.
Note that the flashing is
pulsed-stretched for
easy viewing and does
not accurately
represent the rate of
traffic.
No error.
Yellow Blinking. Port in
standby.
May be disabled due to
Spanning Tree Algorithm.
Red Flashing to constantly
on. Indicates collision
rate.
If on constantly indicates a
problem. Contact Cabletron
Systems Technical Support for
assistance.
Red Solid. Port disabled. Contact Cabletron Systems
Technical Support for
assistance.
