D-Link DES-5016 - Manual (Page 35)

Fast Ethernet Switching System User’s Guide
LEDs 27
Table 4: 8-Port TX Module LEDs
LED Lit or Flashing Dark
Link
Orange indicates port speed is 10 Mbps
Green indicates port speed is 100 Mbps
No link or link is down
Act
(Activity) Flashes to indicates the port is
transmitting or receiving data
Port is not transmitting or receiving
100/10
Lit when port is transmitting or receiving
data at full duplex Dark when port is transmitting or
receiving data at half duplex
Full/ Half Lit when the port is at full duplex Dark when the port is at half duplex