Stacking Dell PowerConnect Switches: 8132, 8132F, 8164, 8164F 
41 
 
  Removal of a stack unit 
Figure 14.
ACTLNK
2 864
1 753
18 242220
17 232119
10 161412
9 151311
2 864
1 753
10 161412
9 151311
18 242220
17 232119 ACTLNK
ACT
LNK
2 864
1 753
18 242220
17 232119
10 161412
9 151311
1 2
ACT
LNK
ACT
LNK
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42 484644
41 474543
34 403836
33 393735
ACT
LNK
2 864
1 753
18 242220
17 232119
10 161412
9 151311
1 2
ACT
LNK
ACT
LNK
26 323028
25 312927
42 484644
41 474543
34 403836
33 393735
2 864
1 753
10 161412
9 151311
18 242220
17 232119 ACTLNK
SWITCH REMOVED 
FROM STACK
 
Removal of a stack unit results in one or more freed cables.  In this example, there is a freed quad-
breakout cable (red) that was used to link the bottom unit to the one directly above it.  The second 
quad-breakout cable is then used to connect the top and bottom units to again complete the ring 
topology.  
 
  Note: A QSFP+ quad-breakout cable connects one QSFP+ 40GE port to four SFP+ 10GE ports.   
 
Alternatively, once the unit is removed, the remaining quad-breakout cable could be replaced with a 
QSFP+ cable to connect the top and bottom stack members.  This would free up four SFP+ interfaces, 
but would require the use of another QSFP+ interface.  The interfaces used for stacking is based on the 
administrator’s preference.  
 
Validation 
To validate the stack unit has been removed and that the remaining stack members are still intact, 
type the show switch command.   
 
console#show switch 
 
    Management Standby   Preconfig   Plugged-in   Switch      Code 
SW  Status     Status    Model ID    Model ID     Status      Version 
--- ---------- --------- ----------- ------------ ----------- --------- 
1   Mgmt Sw              PCT8132     PCT8132      OK          5.0.0.3 
2   Stack Mbr  Oper Stby PCT8164     PCT8164      OK          5.0.0.3 
3   Stack Mbr            PCT8164     PCT8164      OK          5.0.0.3 
4   Stack Mbr            PCT8132F    PCT8132F     OK          5.0.0.3 
5   Unassigned           PCT8132F                 Not Present 5.0.0.3