Images are for reference only.

OPTOPROG

ES-U-3001-MB

Connective Peripherals

Interface Modules USB-to-RS-232/422/ 485 Serial Adapter
ADAM-4520-F

Advantech

Interface Modules Isolated RS-232 to RS-422/485 Converter
EP-USB-4-D25

DIGI

Interface Modules Digi Edgeport/4; 4 port DB-25 RS232 to USB Converter (includes 1 meter A to B USB cable); Replaces part number 301-1016-01
EP-USB-4

DIGI

Interface Modules Digi Edgeport/4; 4 port DB-9 RS232 to USB Converter (includes 1 meter A to B USB cable); Replaces 301-1000-04
EP-USB-8-D25

DIGI

Interface Modules Digi Edgeport/8; 8 port RS232 serial DB-25 to USB Converter w/ recessed 19" rack bracket option; (incldues 1 meter A to B USB cable); Replaces 301-1016-08