Leds – Allied Telesis AT-FS909SX User Manual
Page 13
AT-FS909SX Installation Guide
3
LEDs
Table 1 describes the switch LEDs. Refer to Figure 3 for the labels for the LEDs
for the two types of ports.
Table 1 AT-FS909SX LED Indicators
LED
Color
Indicates
Power
Green On
The switch is powered up and ready for use.
Off
The switch is powered off.
Gigabit Ethernet Port Status LEDs
Col/Full
Orange On
Link is present, full-duplex operation.
Orange Flashing
Link is present.
Off
Link is not present.
Link/Act
Orange On
Link is present on this port.
Orange Flashing
Packets are being transmitted/received on this port.
Off
Link is not present on this port.
10/100Mbps Port Status LEDs
Col/Full
Orange On
Link is present, full-duplex mode.
Orange Flashing
Link is present, half-duplex operation with collisions occurring.
(Typical under Ethernet CSMA/CD.)
Off
Link is not present (for full-duplex), or
half-duplex operation established with no collisions occurring.
Link/Act
Orange On
100M Link is present; port is enabled.
Orange Flashing
100M Packets are being transmitted/received on this port.
Green On
10M Link is present; port is enabled.
Green Flashing
10M Packets are being transmitted/received on this port.
Off
Link is not present.