Antrader4-Pack DB25 25 Pin Serial Port Female to Female Mini Gender Changer Coupler Adapter RS232 Connector

Antrader 4-Pack DB25 25 Pin Serial Port Female to Female Mini Gender Changer Coupler Adapter RS232 Connector

StarTech.com DB9 to DB25 Serial Cable Adapter - F/M - Serial adapter - DB-9 (F) to DB-25 (M) - AT925FM,Beige

StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M - Null Modem Cable - DB-9 (F) to DB-25 (M) - 10 ft (SCNM925FM)