his null modem cable is usually used to transfer data from one PC directly to another PC and features gold-plated contacts for optimal signal transfer. The transmit and receive signals are crossed to ensure proper data transmission. The high-quality cables deliver the data for you quickly and reliably over short distances. Available in a wide array of stock lengths and gender combinations, our offering also allows connections to DB9 (AT) or DB25 (PC) serial ports. Cables in male-to-female configurations are typically used as serial printer cables, while female-to-female versions are typically connecting two PC serial ports. Don't forget, custom lengths are our specialty. * Item No: 30-D2201-03 * Connectors: DB9 Male to DB9 Female * Foil shielded for protection from EMI/RFI interference caused by surrounding office equipment and flourescent lights * Designed with a rugged, overmolded construction that provides added strain relief and a solid connection each time * One year warranty for our products under normal use