Connect USB servers to the ServSwitch CX, ServSwitch CX Uno, or the ServSwitch CX with IP. The Black Box CX SAM connects computers to the CX and CX Uno CATx KVM Switches. The SAM can extend the KVM signals up to 32 feet to a CX Uno up to 150 feet to a CX or up to 980 feet when the SAM is connected directly to a CX Receiver.