![Serial RS-232 Expansion Connector Accessory for USBHub3c](https://d27wgn5g4t3wja.cloudfront.net/products/3456237f-7744-4c0e-957d-c174168e6a94/451053.png)
Serial RS-232 Expansion Connector Accessory for USBHub3c
Used for connecting a serial RS-232 interface to the control the USBHub3c through the expansion interface connector. Screw terminals are provided for the RS-232 interface. While this board provides for wiring connections, a host machine external to the USBHub3c is required for this control interface.