ULI-344DC - USB To RS-232/422/485 (DB9 Male) Industrial Isolated Converter, 4 Port

BB-USR604 - Advantech Co. Ltd.

USB to RS-R32/422/485 Converter
UL Class 1/Division 2
2 kV Isolation
Level 4 ESD Protection (15 kV Air, 8 kV Contact)
921.6 Kbps Serial Data Rate
- 40 to + 80 °C Operating Temperature
DIN and Flat Panel Mounting Options
TB and Power Jack 10-30 VDC Power Inputs
High Retention USB Connector, Plug in Serial Terminal Block