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

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

StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M

Your Cable Store 6 Foot DB25 25 Pin Serial Port Cable Male/Male RS232

Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac (USA-19HS)

StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 1 meter, Black

UGREEN USB to DB25 Parallel Printer Cable Adapter Male to Female Connector IEEE 1284 Converter for Laptop Desktop PC Supports Windows, Mac OS, Linux, 6ft

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

BeElion 2PCS Serial RS232 DB9 Pin Gender Male to Male Adapter,Null Modem Gender Connectors

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

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