This high spped bi-directional parallel cable is one of IEEEprinter port standard called Enhanced Paralel Port (EPP).This technology is high speed oriented offers you addedspeed and two way communication with IEEE 1284 compliant devices which defines between computer and peripherals. Our IEEE 1284 cables was designed from the following attributes. Impedance is 62 Ω +/-6 at 4-16 Mhz frequency range Capacitance is 107 pf/m at 1 Mhz frequency 17 twisted pairs cable with at least 36 turns per metre Foiled shield and at least 85% copper braided soldered 360 degrees to the connector shellIEEE 1284 from our offer feature 3 types of connector A, Band C. Choose the right one from our connector guide.Our Features on IEEE1284 & SCSI Cable Assemblies1. Overall Foiled 100% coverage with at least 25% overlap.2. Tinned Copper Braided minimum at 85%3. Copper Tape over insulation 100% coverage.4. Solder 360 degrees to the connector shell.5. PVC jacket on cable and connector shell are UL and CSA verified grade.