RS-232 PC Serial Null Modem Cable Null DB9 Female to DB25 Male 28 AWG 15 FT Standards: UL, CSA, ISO 9001:2000 manufacturer This null modem DB9 9 pin female to DB25 25 pin male serial cable is ideal for connecting a serial printer to a DB25 25 pin serial port on PC. Double shielded for maximum EMI/RFI protection. Cable color: Beige. AWG: 28 AWG. Standards: RoHS, UL, CSA, ISO 9001:2000 manufacturer.