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Chapter 4 Installation and Setup
Cajun
P332MF User’s Guide 19
Connecting Stacked Switches
Note: The two ends of the Octaplane cable terminate with different connectors.
Each connector can only be connected to its matching port.
The following cables are used to connect stacked switches:
• Short Octaplane cable (X330SC) – ivory-colored, used to connect adjacent
switches (Catalog No. CB0223) or switches separated by a BUPS unit.
• Long Octaplane cable (X330LC) – ivory-colored, used to connect switches from
two different physical stacks, or switches separated by a BUPS unit (Catalog No.
CB0225).
• Redundant cable (X330RC) – black, used to connect the top and bottom
switches of a stack (Catalog No. CB0222).
To connect stacked switches:
1 Plug the light grey connector of the Short Octaplane cable into the port marked
“to upper unit” of the bottom Cajun P330 switch.
2 Plug dark grey connector of same Short Octaplane cable to the port marked “to
lower unit” in the unit above. The connections are illustrated in Figure 4.3.
3 Repeat Steps 1 and 2 until you reach the top switch in the stack.
Note: If you have split the stack, use the Long Cable instead of the Short Cable
where required.
4 If you wish to implement stack redundancy, use the Redundant Cable to
connect the port marked “to lower unit” on the bottom switch to the port
marked “to upper unit” on the top switch of the stack.
Caution: Do not cross-connect two Cajun P330 switches with two Octaplane (light-
colored) cables. If you wish to cross-connect for redundancy, use one light-colored
Octaplane cable and one black redundancy cable. Figure 4.2 shows an incorrect
connection.
Note: You can build a stack of up to 10 Cajun P330 switches. If you do not wish to
stack all the switches in a single rack, use long Octaplane cables to connect two
physical stacks as shown in Figure 4.3.