D-Link DES-5200 User Manual page 42

Fast Ethernet Switching System User's Guide
Table 10: FX Module LED
LED
Lk (Link)
(Green)
Dx (Duplex mode)
(Green)
Tx (Transmitting)
(Green)
Rx (Receiving)
(Green)
Col (collisions)
(Amber)
LEDs
Lit
Port is linked to another
device
Port is in full duplex
Port is transmitting data
Data is being received
Collisions are occurring at
the port
Dark
No link
Port is in half duplex
No data is being transmitted
No data is being received
No collisions are occurring
35