Manufacturer: Sealevel Systems, Inc.
Manufacturer's Product Page: 3U Compact PCI 2-Port RS-232, RS-422, RS-485 Serial Interface
Category: CompactPCI Serial & cPCI Serial Space
The 7901 is a 3U compact PCI serial interface that provides two RS-232, RS-422, or RS-485 serial ports for demanding automation and control applications. Each port can be field configured to RS-232, RS-422, or RS-485 for maximum flexibility. Our revolutionary Automatic RS-485 Enable circuit is included onboard to simplify multidrop network connections. 16C850 UARTs with deep 128-byte FIFOs are standard to reduce system overhead, even at high speeds.
Features
Two port field selectable RS-232, RS-422, or RS-485 interface
Automatic RS-485 Enable and Disable
Hot Swap compliant (PICMG 2.1 Rev. 3.0)
PCI bus 2.2 compliant
Universal 3.3 and 5V compatible
Full RS-232 control signals supported
16850 buffered UART with 128-byte FIFO
