Your Cable Store 6 Foot DB9 Female / DB25 Male Serial Port Cable RS232

StarTech.com DB9 to DB25 Serial Cable Adapter - F/M (AT925FM)

C2G 03019 DB25 Male to DB9 Female Serial RS232 Null Modem Cable, Beige (6 Feet, 1.82 Meters)

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

Your Cable Store DB25 25 Pin Serial Port Female / Female Adapter Gender Changer RS232

StarTech.com DB9 to DB25 Serial Cable Adapter - F/F (AT925FF)

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)

Top-Longer 25 Pin 2 Male to Male 2 Female to Female Parallel DSUB Gender Changer Adapter - DSUB - IEEE-1284 - D25 - Cable Converter - Port Adapter

YCS Basics Black 10 Foot DB9 9 Pin Serial / RS232 Male / Female Extension Cable

CableMax RS-232 LED Link Tester DB-9 Male to DB-9 Female

AYA DB9 (9-Pin) Female to DB25 (25-Pin) Male Serial Null Modem Cable (6Ft)