3com 610 Manual De Usuario
14
C
HAPTER
1: I
NTRODUCING
THE
S
WITCH
610
LEDs
lists the LEDs visible on the front of the Switch, and their states
according to color. For information on using the LEDs for problem solving,
see
see
.
Table 3 LED behavior
LED
Color
Indicates
Port Status LEDs
Packet
Yellow
Packets are being transmitted/received on the port.
Off
No packets are being transmitted/received on the port.
Status
Green
A link is present, and the port is enabled.
Green flashing
A link is present, but the port is disabled.
Off
No link is present.
Power/Self Test LED
Green
The Switch is powered-up.
Green flashing
The Switch is either downloading software or is
initializing (which includes running a Power On Self
Test).
initializing (which includes running a Power On Self
Test).
Yellow
The Switch has failed its Power On Self Test.
Off
The Switch is not receiving power.
16954ua.book Page 14 Friday, April 30, 1999 9:39 AM