Leds - Allied Telesis AT-GS903SX Installation Manual

LEDs

Table 1 describes the switch LEDs. Refer to Figure 3 for the labels for the LEDs
for the two types of ports.
LED Color
Power Green On
Off
Link Green On
Off
Activity Green Flashing
Off
Ful/Col Yellow On
Off
Yellow Flashing
Link/ Yellow On
Act Yellow Flashing
Green On
Green Flashing
Off
Table 1 AT-GS903SX LED Indicators
Indicates
The switch is powered up and ready for use.
The switch is powered off.
Gigabit Ethernet Port Status LEDs
Link is present; port is enabled; full-duplex operation.
Link is not present.
Packets are being transmitted/received on this port.
No activity on this port.
10/100Mbps Port Status LEDs
Full-duplex mode.
Half-duplex mode.
Two or more devices attempted to transmit data at the same
time. (Typical under Ethernet CSMA/CD.)
100M Link is present; port is enabled.
100M Packets are being transmitted/received on this port.
10M Link is present; port is enabled.
100M Packets are being transmitted/received on this port.
Link is not present.
AT-GS903SX Installation Guide
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