3Com 3C17462 Manual de instalación - Página 2
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Table 1 Attaching the Cable Between Two Switches
Connector Label Color
Yellow
Blue
LEDs
The stack LEDs are located on the front panel of the Switch
as shown in Figure 3:
Figure 3 Switch Front Panel - Stack LEDs
Stack Status/
Stack Master LEDs
Fault
Power
Stack
S
Master
P
S
Module
Activity
21
22
Attach to the:
Up port in the back panel of the top Switch
Down port in the back panel of the bottom
Switch
SuperStack 3 Switch 3870 24-port
23
24
Table 2 below shows how to read the status of the stack
according to the stack LEDs on the front of the Switch.
Table 2 Stack LEDs
Color
State:
Status
Green
The Uplink/Downlink is operating normally.
Yellow
One-sided connection (one side of the cable is connected
but the other side is not).
Off
No stacking link is present.
Master
Green
Master unit - normal stack operation state
Yellow
Slave unit - normal stack operation state.
Yellow flashing
The system is in arbitration/election state.
Off
The system is not stacked.
© 3Com Technologies, 2004. All rights reserved. No part of this documentation may be reproduced in
any form or by any means or used to make any derivative work (such as translation, transformation, or
adaptation) without permission from 3Com Technologies.
3Com, the 3Com logo and SuperStack are registered trademarks of 3Com Corporation. Unless
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Part No. DUA1746-2AAA01 Published May 2004