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18
C
HAPTER
1: I
NTRODUCING
THE
S
WITCH
4200G F
AMILY
LEDs
Table 5 lists LEDs visible on the front of the Switch, and how to read their
status. For information on using the LEDs for problem solving, see
“Solving Problems Indicated by LEDs” on page 54.
Rotating bar segment
Mode LED flashing green
Software download in progress.
Flashing “F”
Mode LED steady red
Fan failure detected.
Flashing “t”
Mode LED flashing red
Switch is too hot; temperature is critical.
“C”
Mode LED green or yellow
Switch is clustered Commander unit.
“c”
Mode LED green or yellow
Switch is clustered Candidate unit.
“S”
Mode LED green or yellow
Switch is clustered Slave unit.
“1”
Mode LED green or yellow
Switch is un-clustered.
Table 4
Status Display (continued)
Display
Mode LED Color
Description
Table 5
LED Behavior
LED
Color
Indicates
PWR LED
Green
The Switch is powered-up and operating normally.
Green flashing
Self Test (POST) or Software Download is in progress.
Yellow flashing
One or more ports have failed POST.
Red
The Switch has failed its Power On Self Test.
Off
The Switch is not receiving power or there is a fault with the
Power Supply Unit.
Mode LED
Speed Green
10/100 Port Speed and Activity, Gigabit SFP Status and
Activity, or Stack Status and Activity.
Duplex Yellow
10/100 Duplex and Activity, Gigabit SFP Duplex and
Activity, or Stack Activity.
10/100/1000BASE-T Port LEDs
Speed Green
A high speed (1000 Mbps) link is present, blinking off for
every packet received or transmitted.
Yellow
A low speed link is present, blinking off for every packet
received or transmitted.
Yellow Flashing
The port has failed POST.
Off
No link is present.
10014914AA.book Page 18 Friday, July 7, 2006 2:08 PM
Содержание 4200G PWR
Страница 4: ...10014914AA book Page 4 Friday July 7 2006 2 08 PM ...
Страница 30: ...30 CHAPTER 2 INSTALLING THE SWITCH 10014914AA book Page 30 Friday July 7 2006 2 08 PM ...
Страница 74: ...74 CHAPTER 5 UPGRADING SOFTWARE 10014914AA book Page 74 Friday July 7 2006 2 08 PM ...
Страница 92: ...92 APPENDIX B PIN OUTS 10014914AA book Page 92 Friday July 7 2006 2 08 PM ...
Страница 96: ...96 APPENDIX C TECHNICAL SPECIFICATIONS 10014914AA book Page 96 Friday July 7 2006 2 08 PM ...
Страница 104: ...10014914AA book Page 104 Friday July 7 2006 2 08 PM ...