When you have more than one disk shelf in a stack of disk shelves, the shelves in the stack must be connected to each other (daisy-chained).
The disk
shelves are daisy-chained in the following way:
- IOM A circle port is connected to the next IOM A square port.
- IOM B circle port is connected to the next IOM B square port.
Note: Square
ports are always cabled to circle ports, and circle ports are always
cabled to square ports. Never cable square ports to square ports or
circle ports to circle ports.
The following illustration shows a daisy-chained stack of disk shelves with the IOMs arranged side-by-side, similar to how an EXN3500 disk shelf is oriented.
The following illustration shows a daisy-chained stack of disk shelves with the IOMs arranged one above the other, similar to how an EXN3000 disk shelf is oriented.
