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

SIENOC 5pcs 9 Pin RS-232 DB9 Male to Male 5pcs Female to Female Serial Cable Gender Changer Coupler Adapter Pack of 10

Top-Longer 9 Pin DB9 Female to Female/Male to Male Mini Gender Changer Coupler Adapter Connector Pack of 4

DB9 Null Modem Adapter Male to Male 2 Pack

C2G 02781 DB9 F/F Serial RS232 Mini Gender Changer/Coupler, Nickel

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

Tripp Lite Null Modem Serial RS232 Cable (DB9 F/F) 6-ft. (P450-006)

SIENOC 9 Pin RS-232 DB9 Male to Male/Female to Female Serial Cable Gender Changer Coupler Adapter (5 packs of male)

StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black

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

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