What do the LEDs indicate on DES-1200M?

LED Indicators



The red power indicator is illuminated when power is provided tothe switch and the switch is turned in the ON position.


Green Link/Activity indicators are illuminated when the switchdetects a connection to that port. The indicator blinks when datais transmitted over the network connected to that port.

When a port is not connected, the indicator is off.

Full Duplex/Col

Red Full Duplex/Col indicators are illuminated when that port isin full duplex mode. The indicator is off when that port is in halfduplex mode.

When a collision occurs on the network connected to a port, thatFull Duplex/Col indicator blinks.


Green 100Mbps indicators are illuminated when the port isoperating in 100Mbps mode. The indicator

Rank: 1.5