3Com 3C16790 Switch User Manual


 
6
Dual Speed Switch 8 Front
Power LED
If the
is lit ( ) the
power supply to
the Switch is
present.
Power LED
green ,
Duplex LEDs
If the Duplex LED is lit (yellow), the port
is in full duplex mode. If the LED is off,
the port is in half duplex mode.
Alert LED
If the is off, the unit is
operating correctly.
After power on, the Alert LED
remains lit (orange) for a short
period of time while performing a
self test. If it is continuously lit there
may be a problem. Refer to the
Problem Solving section.
Alert LED
Port Status and Activity LEDs
If the is off there is nothing connected to
the port, or the connected device is turned off or there may
be a problem with the connectivity (refer to the Problem
Solving section). If the LED is green the speed of the link to
the connected device is at 100 Mbps (100BASE-Tx). If the
LED is yellow the speed of the link to the connected device is
at 10 Mbps (10BASE-T). The LED will flash to indicate traffic
is passing through that port.
Port Status LED
3C16734_Booklet.book Page 6 Monday, March 12, 2001 1:46 PM