cablesonline6-inches DB9 Male to DB9 Female 9-Conductor 28awg Straight-Through Serial RS232 Flat Ribbon Extension cable, S-3F00

CablesOnline, 6-inches DB9 Male to DB9 Female 9-Conductor 28awg Straight-Through Serial RS232 Flat Ribbon Extension Cable, S-3F00

DTECH Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer

USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above