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
“Checking for Correct Operation”
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).
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
Summary of Contents for 3C16954
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Page 42: ...42 APPENDIX D TECHNICAL SUPPORT 16954ua book Page 42 Friday April 30 1999 9 39 AM ...
Page 48: ...48 GLOSSARY 16954ua book Page 48 Friday April 30 1999 9 39 AM ...
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