SF Cable, 6 ft DB9 F/F Null Modem Cable RS232 Type: Null Modem Serial Extension Cable Connectors: DB9 Female, DB9 Female D-Sub 9 Pin Female w/Gold plating contacts 28 AWG, 7 Conductors + Drain Wire Fully shielded construction and fully molded ends with 4/40 thumbscrews Pin Out: 1, 6-4, 3-2, 2-3, 7-8, 8-7, 1, 6-4, 5-5, 4-1, 6, Shield-Shield