1-12
Introducing the E3800 Switches
Fronts of the Switches
Table 1-4. Stacking-Related Switch and Port LED Behavior
Switch LEDs State Meaning
LED Mode
indicator
(green)
For switches in a stack, the LED mode indications are the same as for standalone switches (see Table
1-3), but all the switches in the stack are coordinated and all show the same LED mode. See the Stacking
Note under “LED Mode Select Button and Indicator LEDs” on page 1-13.
Mdl (Module
Status,
green/
orange)
On
Blink
orange*
Fast blink
orange**
Off
†
A Stacking Module is installed into the expansion slot and is operating correctly.
Stacking Module is plugged into module slot but has experienced a fault, or the module
stacking cable is not connected correctly or has experienced a fault.
The Stacking Module has been installed while the switch was powered on (hot
swapped) and the switch needs to be rebooted to support the module.
A Stacking Module is not installed into the module slot.
Stacking
Status
(green/
orange)
Cmd on
Cmd blink
green
Cmd off
†
Stk on
Stk blink
green
Stk blink
orange*
Stk off
†
This switch is a Commander of a stack.
This switch is becoming a Commander of a stack, or if Usr LED mode is selected,
indicates which switch is the Standby in the stack.
The switch is not the Commander of the stack.
The switch is a member of a stack.
The switch is joining a stack.
A stacking cable is disconnected or faulty, or is connected to a failed or powered off
switch. The Mdl LED may also be blinking orange simultaneously.
Stacking has been disabled.
* The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
** The fast blinking behavior is an on/off cycle once every 0.5 seconds, approximately.
†
If the Save Power LED feature is configured for the switch (savepower led command), then all LEDs except the Power
LED may be off.
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