Installation Instructions

Chapter 1: Overview
22
Table 3 describes the LEDs for the 10/100/1000Base-T ports.
Table 3. 10/100/1000Base-T Port LEDs
LED State Description
L/A (link/activity) Off The port has not established a link with a
network device.
Blinking
Green
The port is transmitting or receiving network
packets.
Steady
Green
The port has established a link to a network
device.
SPD (speed) Steady
Green
The operating speed of the port is 1000
Mbps.
Steady
Amber
The operating speed of the port is 100 Mbps.
Off The operating speed of the port is 10 Mbps
or the port has not established a link with a
network device.
DPX (duplex mode
for AT-GS950/8
Switch only)
Steady
Green
The port is operating in full duplex mode.
Off The port is operating in half duplex mode.