Amazon.com: 5FT Micro USB to RS-232 9-Pin DB9 Male Serial Adapter Cable for Windows Mac OS Linux FTDI Chipset (5FT, Micro USB to DB9) : Electronics
9 Pin Db9 Female To 8-pin Mini Din Rs232 Serial Pc Control Communication Cable For Canon Camera Vc-c3 Vc-c4 Vc-c4r - Pc Hardware Cables & Adapters - AliExpress
1.4M VGA HD15 15 Pin Male to DB9 9 Pin RS232 Male Adapter Cable Converter - Walmart.com
C2G 6ft DB9 Female to 8 pin Mini Din Male Adapter Cable 6 ft Data Transfer Cable First End 1 x 9 pin DB 9 RS 232 Serial Female Second End 1
DB9 RS-232 Male to Blunt - All 9 Pins - 22 AWG Plenum - Serial Breakou - Custom Cable Connection
USB to RS-232 DB9 Serial 9 pin Adapter (Prolific PL2303) - Sabrent