Gbic And Sfp Expansion Slot Leds; Table 7. Leds For The Fiber Optic Ports On The At-8516F/Sc Switch - Allied Telesis AT-8500 Series Installation Manual

GBIC and SFP
Expansion Slot
LEDs
are defined in Table 7.

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

LED State
L/A OFF
Green
Flashing
Green
D/C Green
Amber
Flashing
Amber
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
LED State
LINK OFF
Solid
Green
Mode - COL OFF
Flashing
Green
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide
Description
Indicates no link has been established between
the port and the end node.
Indicates a valid link exists between the port
and the end node.
Indicates that the port is transmitting and/or
receiving data packets.
Indicates that the port is operating in full-duplex
mode.
Indicates that the port is operating in half-duplex
mode.
Indicates that data collisions are occurring on
the port.
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.
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