Fiber Optic Port Leds - Allied Telesis AT-8012M Installation Manual

Overview

Fiber Optic Port LEDs

32
The fiber optic ports for the AT-8016F/xx, AT-8024GB (GBIC slots),
AT-8026FC, and AT-8088 switches are described below.
The fiber optic ports on the AT-8016F/xx and AT-8088/xx switches have
two LEDs, labeled L/A and D/C. The LEDs are defined in Table 4.
Table 4. AT-8016/xx and AT-8088/xx Fiber Optic Port LEDs
LED State
L/A OFF
Green
Flashing
Green
D/C Green
Amber
Flashing
Amber
Note
The AT-8016F/xx and AT-8088/xx switches do not have a LED Mode
Select button.
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 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.