Extreme Networks ExtremeSwitching 5320 Series Hardware Installation Manual page 90

5320 Series Switch LEDs
Port LEDs can display in three different modes: SYS (the default mode), SPD (speed)
and STK (stacking). The Mode button cycles through the three display modes. In
the default SYS mode, SPD and STK are off. The port LEDs enter SPD display mode,
indicated by the SPD LED, after pressing the Mode button one time. SPD mode helps
to determine the operational speed of a port. The port LEDs enter the STK display
mode, indicated by the STK LED, after pressing the Mode button a second time. STK
mode is used to indicate slot presence and slot number through the first eight port
LEDs. SPD and STK display modes expire after 30 seconds, and the display mode
reverts back to the default SYS mode. A long press of the Mode button when in any
mode other than STK mode initiates Bluetooth pairing. Models 5320-24T-4X-XT and
5320-24T-24S-4XE-XT do not support Bluetooth pairing.
The following figure shows the two alternate mode LEDs for 5320 Series switches: SPD
and STK. The Mode button is used to cycle through three display modes for the port
LEDs. In the default mode, SPD and STK are off. SPD and STK display modes expire after
30 seconds, at which time the port LEDs revert to the default SYS mode. Pressing and
holding the Mode button initiates Bluetooth pairing.
Figure 63: 5320 Series Mode Button and LEDs
The Mode button also supports the instant stacking feature. To instantly stack switches,
first ensure that the SPD/STK LED is on STK by pressing the Mode button until the LED
is green. Press and hold the Mode button for at least five seconds, then release the
Mode button after five seconds. The front panel port LEDs on the primary node flash
in an alternating pattern followed by a delayed reboot of all of the switches. The LEDs
flash for approximately 15 seconds prior to the reboot. After the reboot completes, the
switches are stacked.
Note
Front-panel PoE ports use Amber to indicate PoE states.
The mode button and LEDs are located on the upper left side of the front panel on
the 5320-48P/T and 5320-24P/T models. The mode button and LEDs are located on the
upper right side of the front panel on the 5320-16P model.
90 ExtremeSwitching 5320 Series Hardware Installation Guide
Monitor the Switch