Installation guide

AT-8216FXL, AT-8224XL, and AT-8288XL Series Installation Guide
41
Switch LEDs
Table 3 describes the system LEDs on the Ethernet switch.
Table 4 describes the port LEDs on the Ethernet switch.
Table 3
Switch System LED Status
LED State Description
Fault Solid Red The switch or management software is malfunctioning.
Flashing Red The switch is booting, running diagnostic tests, writing
messages to FLASH, or transferring files using XMODEM.
OFF Normal operation.
PWR (Power) Solid Green The switch is receiving power, the voltage is within the
acceptable range, and the main power supply or the
optional redundant power supply is working.
RPS (Redundant
Power Supply)
Solid Green An optional redundant power supply is connected to the
switch. (This LED will remain lit even when the optional
redundant power supply is powered OFF.)
Table 4
Port LED Status
LED State Description
L/A (Link/Activity) Solid Green This indicates a 100 Mbps link.
Flashing Green This indicates 100 Mbps activity.
Solid Amber This indicates a 10 Mbps link (10/100 ports only).
Flashing Amber This indicates 10 Mbps activity (10/100 ports only).
D/C (Duplex/Collision) Solid Green The port is operating at full-duplex.
Solid Amber The port is operating at half-duplex.
Flashing Amber Collisions are occurring on the line.