产品描述：Pro Switching System Plus Controller Card, RS-232/Manual Switching
Product Highlights One Controller Card is required for each 18-slot Pro Switching System Plus. Switch any port from the front panel, or gang switch the entire system. Control via an RS-232 connection, too.
Further Details 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. With the intelligent card, you can also switch using an RS-232 connection.
