Your Cable Store 1 Foot DB9 9 Pin Serial Port Y Cable 1 Male / 2 Female RS232 5 Pack

Your Cable Store 1 Foot 9 Pin Serial Splitter Cable DB9 2 Male / 1 Female RS232 5 Pack

SF Cable 1ft DB9 Female to 2 Male Serial RS232 Splitter Cable

StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable

StarTech.com 0.5m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable - 50cm

SF Cable: DB9 Male to 2 Female Serial Rs232 Splitter Cable 12 Inches

Twinkle Bay DB9 Connector to Wiring Terminal RS232 Serial Port Breakout Board Solderless (Male Adapter with Case)

Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI)

TENMA 72-9265 CABLE TESTER, RS232/DB9 IN-LINE SIGNAL

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