The parallel adapter cable is designed to connect parallel devices such as printers or scanners to your USB port. This allows you to make your old devices compatible with USB without needing to purchase new peripherals with USB connections. The screwable connectors ensure that the cable is securely connected and cannot be accidentally pulled out. This adapter cable from renkforce is simply shielded. This shielding provides protection against external interference, such as parallel power cables, and ensures reliable data transmission.