D-Link DES-1016D User Manual page 20

10/100 NWay Ethernet/Fast Ethernet Switch User's Guide
Figure 3.3 The 10/100 NWay Ethernet/Fast Ethernet Switch LED
Power This indicator operates when the Switch is turned
on. If this indicator is not lit, check the AC power connector
to ensure proper insertion of the power cord and that the
power switch is turned ON.
100Mbps/10Mbps The LED indicator lights when a 100
Mbps device is connected to a respective port or the uplink
port. If a 10 Mbps device is connected to a respective port or
the uplink port, the LED indicator is OFF.
Link/Act These LED indicators are lit when there is a
secure connection (or link) to a device at any of the ports.
They remain dark if there is no link. The LED indicators
blink whenever there is reception or transmission (i.e.
Activity—Act) of data occurring at a port.
10
indicators
Identifying External Components