Installation guide

78 Extreme Networks Consolidated "e" and "i" Series Hardware Installation Guide
Summit Switch Models
Table 15 describes the activity of the LEDs on the Summit 400-24 switch.
Table 15: Summit 400-24 switch LED activity
Unit Status LED (MGMT LED)
Color Indicates
Green, slow
blinking
The Summit switch is operating normally.
Green, fast
blinking
The Summit switch POST is in progress.
Green, solid POST passed; ExtremeWare is booting.
Amber, blinking The Summit switch has failed its POST or an overheat condition is
detected.
Off The Summit switch has no power.
Fan Status LED
Color Indicates
Green solid
Amber blinking
Off
All fans are operating normally.
One or more fans has failed. The switch continues to operate unless
over-heating occurs.
The Summit switch has no power.
Power Supply LEDs
PSU-I Color Indicates
Green, solid
Amber, blinking
Off
The internal power supply is operating normally.
The internal power supply has failed. Replace the internal power supply
as soon as possible.
The internal power supply has no power.
PSU-E Color Indicates
Green, solid
Off
The external power supply is operating normally.
The external power supply is not connected.
Port Status LEDs (Ports 1–24)—Summit 400-24t switch
Color Indicates
Green, solid
Green, blinking
Off
The link is present; port is enabled.
The link is present and the port is transmitting or receiving packets.
The link is not present.