FS728TP Hardware Installation Guide
3-21 Physical Description
v1.0, November 2007
24-10/100M Ports - One
LED/Port (PoE Mode)
POE Indicate LED/POE
fault
• Off - No PoE-powered device (PD) connected.
• Solid Green - The PoE powered device (PD) is
connected and the port is supplying power
successfully.
• Solid Yellow - Indicates one of the following
failures resulted in stopping power to that port:
•Short circuit on PoE power circuit.
•PoE power demand exceeds power available.
•PoE current exceeds PD’s Classification.
•Out of proper voltage band (44-57 VDC).
4-Gigabits Copper Ports -
Two LEDs/Port on Jack
Right LED
Link/ACT/LED:
• Off - No link is established on the port.
• Solid Green - A valid link is established on the
port.
• Flashing Green - Packet transmission or reception
is occurring on the port.
Left LED
SPD LED:
• Off - No link, or a valid 10Mbps link is established
on the port.
• Solid Green - A valid 1000Mbps link is established
on the port.
• Solid Yellow - A valid 100Mbps link is established
on the port.
2-SFP Ports - One LED/
Port
SFP Link/ACT LED (Light
Pipe)
• Off - No link is established on the port.
• Solid Green - A valid link is established on the
port.
• Flashing Green - Packet transmission or reception
is occurring on the port.
Table 3-1. Port LEDs (continued)
Port LED Designation
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