The Controller Card is the key to the Pro Switching System Plus. One is required for each 18-slot chassis, and it takes up two card slots. The Controller Card enables you to individually switch any port from the front panel, or gang switch the entire system.
Supports individual card switching, Rack switching, and System Gang Switching using the front panel push-button switches.
Supports Gang Switching using an external +12 VDC signal or external remote contact switches.
A key lock switch on the rack allows the user to enable or disable manual switching.
Controller card has input for two external power supplies.