Black Box DB9 Mini Converter (USB to Serial) - serial adapter - RS-485 - IC832A - Cable Connectors - CDW.com
StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
![Usangreen usb to dmx interface adapter rs485 converter serial 3pin xlr led dmx512 freestyler software pc Usangreen usb to dmx interface adapter rs485 converter serial 3pin xlr led dmx512 freestyler software pc](https://c.shld.net/rpx/i/s/pi/mp/10286837/prod_20466837704?src=https%3A%2F%2Ffour.fgimages.biz%2Ffour%2Fsears%2FBath_fixture_two%2FRNAB08538S7PG_L2.jpg&d=d87c114ed0857707f92451b8e9a3c9f2dbf0e82f&hei=1000&wid=1000)