Allied Telesis AT-8500 Series manual Gbic and SFP Expansion Slot LEDs

GBIC and SFP

Expansion Slot

LEDs

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide

are defined in Table 7.

Table 7. LEDs for the Fiber Optic Ports on the AT-8516F/SC Switch

LED	State	Description
L/A	OFF	Indicates no link has been established between
		the port and the end node.
	Green	Indicates a valid link exists between the port
		and the end node.
	Flashing	Indicates that the port is transmitting and/or
	Green	receiving data packets.
D/C	Green	Indicates that the port is operating in full-duplex
		mode.
	Amber	Indicates that the port is operating in half-duplex
		mode.
	Flashing	Indicates that data collisions are occurring on
	Amber	the port.

Note

The AT-8516F/SC switch does not have an LED Mode Select button.

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 8.

Table 8. LEDs for the Optional GBIC and SFP Ports on an AT-8550GB and

AT-8550SP Switches

LED	State	Description
LINK	OFF	Indicates that there is no link between the
		port and the end node.
	Solid	Indicates a valid link has been established
	Green	between the port and the end node.
Mode - COL	OFF	Indicates that no data collisions are
		occurring on the port.
	Flashing	Indicates that data collisions are occurring
	Green	on the port.

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