B&B Electronics RS-485 Digital I/O Module 485SDD16 Network Card Network Card B&B Electronics

B&B Electronics RS-232 Digital Relay I/O 232DRIO Network Card Network Card B&B Electronics

B&B Electronics 48/24-Channel Digital Input/Output USB Module USB-4751/4751L Network Card Network Card B&B Electronics

B&B Electronics RS-232 Digital I/O Module 232SDD16 Network Card Network Card B&B Electronics