D-Link DES-1526 Quick Installation Manual - page 5
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POWER:
On : When the system power resource remain <=15.4W (the system power consumption
>= 155W), the LED will be on, the system will not provide power to the additional
POE PD inserted.
Off : When the system has enough power more then 15.4W (the system power
consumption <155W).
CPU: Management Indicator
Blinking : When the CPU is working, the CPU LED is blinking.
On/Off : The CPU is not working.
Fast Ethernet PoE Port Status LEDs (Port 1 ~ 24)
Link/ACT: Link/Activity
On : When the Link/ACT LED lights on, the respective port is successfully con-
nected to an Ethernet network.
Blinking: When the Link/ACT LED is blinking, the port is transmitting or receiving data
on the Ethernet network.
Off : There is no link.
100Mbps:
On : When the 100Mbps LED lights on, the respective port is connected to a 100Mbps
Fast Ethernet network.
Off : When the respective port is connected to a 10Mbps Ethernet network.
PoE Status:
Green : When the PoE powered device (PD) is connected and the port supplies power
normally.
Red : When the PoE port have the following failure happens:
PoE power circuit shortage.
Power over current: over the power current of PD’s classification.
Out of PoE voltage of 44 ~ 57 VDC output.
Cost fail.
Off : No PoE powered device (PD) connected or unplugged the PoE output port.
Gigabit Ethernet Port Status LEDs
Link/ACT: Link/Activity
On : When the Link/ACT LED lights on, the respective port is successfully con-
nected to an Ethernet network.
Blinking: When the Link/ACT LED is blinking, the port is transmitting or receiving data
on the Ethernet network.
Off : There is no link.