Allied Telesis AT-GS2002/SP - Manual (Page 24)

Chapter 1: Overview
24
MODE LEDs The MODE LEDs indicate the operating status of the three operation
modes: Link Test (LT), MissingLink (ML), and Smart MissingLink (SML).
These LEDs are described in Table 3.
Note
Refer to Figure 3 on page 23 for the location of these LEDs.
Table 3. MODE LEDs
LED Color Description
ML
Green MissingLink mode is enabled.
Off
MissingLink mode is disabled.
SML
Green
Smart MissingLink mode is enabled.
Off Smart MissingLink mode is disabled.
LT Green Link Test mode is enabled.
Off
Link Test mode is disabled.