Dell PowerConnect 2124 User Manual page 15

10/100/1000 Port Link/Activity (LNK/ACT) LED
• Green — A link has been established.
• Blinking Green — A link has been established and data is being
transmitted or received.
• Off — No link established.
10/100/1000 Port Duplex Mode/Collisions (FDX/COL) LED
• Green — The port is operating in full-duplex mode.
• Blinking Green — The port is operating in half-duplex mode and
collisions are occurring.
• Off — The port is operating in half-duplex mode and no collisions are
occurring.
PowerConnect 2508
Power LED
• Green — The unit is on and the internal power supply is working
properly.
• Red — The unit is on and the internal power supply has failed.
• Off — The unit is off.
15
Features