Gbic And Sfp Expansion Slot Leds - Allied Telesis AT-8516F/SC Installation Manual

GBIC and SFP Expansion Slot LEDs

The GBIC and SFP slots on the AT-8550GB and AT-8550SP switches,
respectively, have two LEDs. The LEDs display the operating status of the
fiber optic port. Use the Mode Select button on the switch to toggle the
status information displayed by the MODE LED. The LEDs are defined in
Table 6.
Table 6 LEDs for the Optional GBIC and SFP Ports on an AT-8550GB and
LED State
LINK OFF
Solid
Green
Mode - COL OFF
Flashing
Green
Mode - SPD Solid
Green
Mode - FDX OFF
Solid
Green
Mode - ACT OFF
Flashing
Green
AT-8500 Series Fast Ethernet Switch Installation Guide
AT-8550SP Switches
Description
Indicates that there is no link between the
port and the end node.
Indicates a valid link has been established
between the port and the end node.
Indicates that no data collisions are
occurring on the port.
Indicates that data collisions are occurring
on the port.
Indicates that the port is operating at 1000
Mbps.
Indicates that the port is operating in
half-duplex mode.
Indicates that the port is operating in
full-duplex mode.
Indicates that there is no activity on the
port.
Indicates that the port is transmitting and/
or receiving data packets.
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