EL326 Installation Guide Rev 10-Feb-14
Page 26 of 33
Section 6
LED Indicators
Overview
The EL326 switches have:
1 Communication LED for each port
3 Power LEDs (P1, P2 and PWR)
1
“OK” output LED
1 Diagnostic LED
1 Stack Link LED
1 Stack Master LED
1 Module LED
LED Locations
All Ports
All 26 ports each have only 1 LED. Regardless of the type of port (RJ45 versus SFP) or
type of transceiver the LED behaves as follows:
Green LED
ON Solid
Link Only
- Indicates that there is a proper Ethernet connection (Link)
but no communications activity is detected.
Green LED
ON Flashing
Link & Activity
- Indicates that there is a proper Ethernet connection
(Link) and communications activity is detected.
OFF
No link
- Indicates that there is not a proper Ethernet connection
(Link). Make sure the cable has been properly connected at both
ends.
Power LEDs
There are three Power LEDs (labeled Pwr 1 for primary power and Pwr 2 for backup
power) that indicate if there is power applied to the respective input. There is also an
overall Pwr LED in the front.
“OK” Alarm
LED
The “OK” LED indicates loss of primary power
Diagnostic
LED
Flashing Green
System self-diagnostic test in progress.
Green
System self-diagnostic test successfully
completed.
Amber
System self-diagnostic test has detected a fault.
Stack Link
LED
Green
Uplink and downlink operating normally.
Flashing Green
Uplink has failed.
Flashing Amber
Downlink has failed.
