Allied Telesis AT-FS238a/2 - Manual (Page 18)

Overview
6
Status LEDs
Table 2 defines the LEDs for the bridging converters.
Table 2 Status LEDs
LED Color Description
PWR Green Power is applied to the unit.
AUTO NEG Green
OFF
Auto-negotiation on the twisted pair port is enabled.
Auto-negotiation on the twisted pair port is disabled.
100M Green
OFF
The twisted pair port is operating at 100 Mbps.
The twisted pair port is operating at 10 Mbps.
LNK Green
Blinking
A valid link has been established on the port.
Data is being received or transmitted on the port.
FD/COL Green
OFF
Blinking
The bridging converter is operating in full-duplex mode.
The bridging converter is operating in half-duplex mode.
A collision has been detected on the port.
Mode Status
ML Green MissingLink is enabled.
SML Green Smart MissingLink is enabled.
LT Green Link Test is enabled.