COMM+4.PCI: 4 Port PCI Async RS-232/422/485 Serial Adapter

This product is classified as legacy and will be supported with limited, available inventory. Call for current pricing, product availability, and recommended alternatives.

The 7404 PCI serial interface provides four field selectable ports configurable as RS-232, RS-422, or RS-485 supporting asynchronous data rates up to 460.8K bps. In RS-485 mode, our auto-enable feature allows the 7404 to be viewed by the operating system as a standard COM port. The 7404 is Universal Bus (3.3V and 5V) compatible and can be installed in a standard height PCI slot. The included 36-inch cable terminates to four DB9 Male connectors.