171241-008-L541 - HP - 3-inch DB9 I/O Serial Port Cable 171241-008-L541 - HP - 3-inch DB9 I/O Serial Port Cable $590.81 $500.69
382511-001 - HP - 2.6-inch External Flying Serial Port Cable for DC5100 382511-001 - HP - 2.6-inch External Flying Serial Port Cable for DC5100 $70.12 $59.42
611901-001 - HP - Second Serial Port with Cable 611901-001 - HP - Second Serial Port with Cable $32.71 $26.60