StarTech.com 1m Null Modem USB to Serial Adapter Cable - COM Retention - Interchangeable DB9 Screws - USB to RS232 - Serial - US

This adapter converts a USB-A port into an RS-232 DB-9 serial connection, enabling communication with peripheral devices. It features COM retention, which maintains port assignment after disconnections or system restarts. LED indicators allow you to monitor transmission, reception, and proper device enumeration on the host computer.

The construction uses durable TPE material and copper shielding to minimize electromagnetic interference. It offers Level 4 ESD protection (15 kV air and 8 kV contact). It includes pre-installed thumb screws and DB-9 nuts to secure the connection. It is compatible with Windows, macOS, ChromeOS, and Linux, with automatic driver installation on recent systems.

• 1 m male USB-A to male DB-9 connector
• COM retention feature to maintain port assignment
• Level 4 ESD protection (15 kV air / 8 kV contact)
• TPE construction with copper shielding against interference
• Compatible with Windows, macOS, ChromeOS, and Linux
• Interchangeable thumb screws and DB-9 nuts