National Instruments PXI-8423 Isolated 2-Port RS485 Interface for PXI
Features

• (2) RS-485 Interface Connectors
• Interrupt Sharing Between Ports
• 460.8 kb/s Maximum Transfer Rate
• 2000 V Optical Isolation

The National Instruments PXI-8423 is a 2-port RS485 interface module for PXI. The (2) RS485 interfaces are 9pin male, Dsub connectors. These two port are isolated.