You just purchased a new switchbox, but faulty wiring is causing your switchbox to send error filled data to your printers. With this Belkin Centronics Parallel Switchbox Cable your new switchbox will be sending pure, clean data. The Centronics Parallel Switchbox Cable is used in applications with Centronics 36 female switchboxes or automatic printer sharing devices. It is not recommended for direct use between PCs and printers. PRODUCT FEATURES: State-of-the-art-wiring design ensures 100% compatibility with all devices 100% of the time; Gold plated copper contacts provide maximum conductivity and keep data loss to a minimum; Oversized ergonomic thumbscrews make installation a breeze; Flextec PVC rubberized cable jacket is extremely flexible for use in tight areas; Molded strain relief and PVC overmolding to ensure a lifetime of error-free data transmission; 28 AWG stranded tinned copper conductors are individually insulated in polypropylene to minimize cross talk, ensuring high-speed, error-free transmission; Ground indents provide excellent conductivity and retention with mating conductors; PVC premold encapsulates individual conductors to ensure electrical isolation and relieve stress; Aluminum undermold shielding helps to meet FCC requirements on EMI/RFI interference.