The 3440 ISA serial interface card provides four RS-422 or RS-485 ports. This product features extended interrupt support, individually selectable or sharable interrupts and an onboard interrupt status port for maximum Windows flexibility.

For user's that require custom baud rates, isochronous communications, or 9-bit protocol, the 3440 ISA serial interface is available with the Oxford 16C950 UART, part number 3440-SN.

Features

• Communication : Asynchronous
• Interface : RS-422/485 Interface
• Ports : 4
• UART : 16C554
• Max. Data Rate : 460Kbps
• Max. Data Distance : up to 4000ft
• RS-485 Operation : 2- or 4-wire
• Other Features : Automatic RS-485 enable and disable
• Connector : 1 x DB37F
• Current Specifications : +5V @ 620mA
• Operating Temperature : 0 to +70C
• Software : SeaCOM software drivers included
• Warranty : Lifetime Warranty