SF Cable, 50ft DB9 M/M 9C Serial Straight Thru Cable Conntectors: DB9 Male to DB9 Male All 9 lines are wired straight through pin-to-pin for ease of compatibility. Gauge: 28 AWG; Length: 50ft Pin-out: 1-1 2-2 3-3 4-4 ,......, 8-8, 9-9, G-G Lifetime Warranty