Your Cable Store Serial 9 Pin Female/Female Coupler Adapter DB9 RS232

Your Cable Store DB9 Male To Male 9 Pin Serial Port / RS232 Adapter

Your Cable Store Serial Port 9 Pin Male / Female Adapter DB9 RS232

TRENDnet USB to Serial Converter, Connect a RS-232 Serial Device to a USB Port, Easy Installation, Universal Plug & Play, TU-S9

Bargain Cable DB9 Female / DB9 Female Null Modem Mini Adapter

DTECH 6 Feet USB 2.0 to RS232 DB9 Female Serial Adapter Cable Supports Windows 10, 8, 7, Mac, Linux

StarTech.com USB to Serial Adapter - Null Modem - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter

Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, Prolific Chipset, Hexnuts, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)

Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Rev D Chipset)

Your Cable Store 6 Foot DB9 9 Pin Serial Port Cable Female / Female RS232

StarTech.com DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9-Pin RS232 Null Modem Cable, 1-Meter, Black (SCNM9FF1MBK)