Cascading hubs with cascade cables to make a stack is as simple as connecting the Up port of one hub to the Down port of another hub as illustrated below.
NMU |
Stackable |
Up |
Down |
Switch/ |
Transceiver |
NMU |
Stackable |
Up |
Down |
Switch/ |
Transceiver |
NMU |
Stackable |
Up |
Down |
Switch/
Transceiver
Cascade Ports
NOTE: To connect the cascade cable, the Up port on one hub connects to the Down port of another hub.
Constructing a Management Hub Stack
A stack can be constructed with up to six hubs in total. One master hub and up to five slave hubs can exist in one stack.
Position within the Stack
The master hub can be positioned anywhere in a stack and automatically assigns the ID of each hub according to its position in the stack.
Master Hub Role
The master is used to manage and configure other hubs in the stack and supplies the stack with additional ports (12/24) and an additional expan- sion module slot. The master hub can also be used as a
