Advantech ISA-bus Industrial Communication cards provide excellent RS-232/422/485 solutions for industrial automation and data acquisition applications, and make them a good choice for dealing with the harsh industrial environment.

Products
Model Number		Description
PCL-740		RS-232/422/485 Current-loop Communication Card
PCL-741		2-port RS-232 Current-loop Communication Card
PCL-743B		2-port RS-422/485 Interface Cards
PCL-745B		2-port RS-422/485 Cards with 3000 VDC isolation protection
PCL-745S		2-port RS-422/485 Cards with 3000 VDC Isolation and Surge Protection
PCL-746+		4-port RS-232/422/485 Communication Card
PCL-846		4-port High-speed RS-422/485 Communication Card
PCL-849		4-port RS-232 Communication Card
PCL-858		8-port High-speed RS-232 Communication Card