Cyclades User's Guide - Manual (Page 204)

Configuration
188 AlterPath KVM/net Installation, Administration, and User’s Guide
2. Click the Add Device button.
The Modify Device dialog box appears.
3. In the Device Name field, specify a name for the secondary device or
KVM unit.
4. In the Number of Ports field, enter the number of ports contained in the
cascaded device.
5. In the KVM Port Connected to User 2 (KVM) or B (Expander) drop-down
list, enter the port number of the master KVM/net that is connected to the
User 2 port of the secondary KVM device or the B port on the Expander.