National Instruments NI FP-1001 RS-485 Network Interface

B&B Electronics USOPTL4 Isolated RS422/485 Interface Module/w 6ft cable

NATIONAL INSTRUMENTS FIELD POINT FP-1000 RS-232/RS-485 NETWORK INTERFACE s1

NATIONAL INSTRUMENTS FP-1000 RS-232/RS-485 NETWORK INTERFACE MODULE

Allen Bradley 1747-KE Ser C SLC 500 DH485/RS232C Interface Module Used

Allen Bradley 1747-KE Ser C SLC 500 DH485/RS232C Interface Module

Black Box RS-422/485 Serial Interface Plus (IC051C) Serial Adapter

B&R Automation 7IF361.70-1 IF361 Network-Capable Interface Module RS485 USED