physical description
2-4
LED Mode Button and LED Descriptions
LEDs on the front panels of the FS726 and FS750 Switches provide a quick and
accurate display of port operation. Users can clearly identify the status of each port
for link and by toggling the LED Mode button through the associated categories speed,
activity, collision, and duplex mode .
Table 2-1 summarizes the LEDs on the FS726 and FS750 Switches. A detailed
description of the LEDs follows the table.
Table 2-1. Front Panel LEDs
Label
Color
Activity
Description
Power
Green
On
Power is supplied to the switch.
Off
Power is disconnected
Link
Green
On
Port has a valid link connection.
Off
A valid link has not been established on the port.
Mode in: Max Spd
10/100 Mbps Port
Green
On
Port has made a 100 Mbps connection.
Off
Port has made a 10 Mbps connection.
Module Bay Port
Green
On
Port has a valid 1000 Mbps (1 Gbps) link connection
Off
A valid link has not been established on the port.
Mode in: Activity /
Collision
Green
Blinking
Data transmission is occurring on the port.
Yellow
Blinking
Data collision is occurring on the port. The rate at
which this LED blinks corresponds to the number of
collisions. When a collision occurs, the connected
device pauses and transmits again after waiting a
specified time.
Mode in: FDX
Green
On
Port is operating in full-duplex mode.
Yellow
On
Port is operating in half-duplex mode.