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
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Part No. DUA1746-2AAA01 Published May 2004