C2G / Cables To Go C2G 52032 DB9 M/F Serial RS232 Extension Cable, Black (15 Feet, 4.57 Meters)

C2G 52033 DB9 M/F Serial RS232 Extension Cable, Black (25 Feet, 7.62 Meters)

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

StarTech.com 10-Feet DB9 RS232 Serial Null Modem Cable F/F (SCNM9FF)

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

C2G 52030 DB9 M/F Serial RS232 Extension Cable, Black (6 Feet, 1.82 Meters)

StarTech.com 2m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable - MXT1002MBK

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

DisplayPort To VGA Adapter - Active - 1080p - DP to VGA Adapter

StarTech.com DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9-Pin RS232 Null Modem Cable, 2-Meter, Black (SCNM9FF2MBK)