Allied Telesis AT-x230-28GP - Table 8. Link;Activity;Speed and Duplex;Collision LED Descriptions

Chapter 1: Overview
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Table 8 describes the Link/Activity/Speed and Duplex/Collision LEDs.
T
ABLE 8. LINK/ACTIVITY/SPEED AND DUPLEX/COLLISION LED DESCRIPTIONS
LED State Description
Link/Activity/
Speed
(LEFT LED)
Off
The port has not established a link with a
network device, or the ecofriendly feature
is enabled.
Flashing
green
Rx or Tx activities at 1000M
Steady
green
The port has established a link with a
network device and is active (1000M)
Flashing
amber
Rx or Tx activities at 10/100M
Steady
amber
The port has established a link with a
network device and is active (10/100M)
Duplex/
Collision
(RIGHT LED)
Off
The port has not established a link with a
network device, or the ecofriendly feature
is enabled.
Steady
green
A port is operating in full duplexmode
Steady
amber
A port is operating in half-duplex mode at
10 or 100 Mbps. (Half-duplex mode does
not apply to 1000 Mbps operation.)
Flashing
amber
Collisions are occurring on a port
operating at 10 or 100 Mbps.