D-Link DGS-1016A User Manual page 12

LED Indicator
Power
Link/Act/Speed
Description
This lights green while the Switch is
receiving power.
When connected to a 1000Mbps device,
this LED indicator light is green when the
port is connected to a device and will blink
as data is transmitted or received.
When connected to a 10/100Mbps device,
this LED indicator light is amber when the
port is connected to a device and will blink
as data is transmitted or received.
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