StarTech.com Right Angle DB9 to DB9 Serial Cable Adapter Type 2 - M/F

Internal USB Motherboard Header to 2 Port Serial Adapter

StarTech.com Part# ICUSB232INT2

Computer Cables – TAA Compliant – Data Transfer Adapter - DB-9 RS-232 Serial - Male - 2 x 9-pin DB-9 RS-232 Serial - Male Connector on First End Details - 1 x 9-pin IDC Serial - Female Connector on Second End Details - Taiwan - 2 Year ...

2 Port USB to RS232/422/485 Serial Adapter COM Retention

StarTech.com Part# ICUSB2324852

Serial/Parallel I/O Adapters – TAA Compliant – Serial Adapter - 1 Serial Ports (External) - External - USB 2.0 - 1 USB Ports - Taiwan - 0.9" Height - 1.7" Width - 1 Packaged Quantity - PC - 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM ...