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Chapter 4 Installation
Avaya P332GT-ML User’s Guide 21
To connect stacked switches:
Note: When adding a module to an existing stack, first connect the stacking cables
and then power up the module.
1 Plug the light grey connector of the Short Octaplane cable into the port marked
“to upper unit” of the bottom P330 Family module.
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.
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 top switch of the stack.
5 Power up the added modules.
Caution: Do not cross connect two 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 P330 switches (any mixture of P330 and
P330-ML modules wihin a stack is possible). 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.
Figure 4.2 Incorrect Stack Connection
Power Supply
Connector
BUPS
Connector
Power Supply
Connector
BUPS
Connector
Cable to
Upper Unit
Cable to
Lower Unit
Cable to
Upper Unit
Cable to
Lower Unit