PMC421
By GE Intelligent Platforms, Inc.

FEATURES
- An intelligent 8-port PMC mezzanine serial controller
- Onboard CPU to off-load host
- Character blocking and DMA for efficient PCI utilization
- Up to 1.5 Mbits/sec transfers
- Software-selectable RS-232, RS-422, and RS-485 (Full Duplex and Half Duplex)
- All ports are fully independent
- Custom firmware options for special purpose applications
- 4-watt power
- Operating system support includes VxWorks, pSOS, Lynx, Digital64, HP-UX, Linux, Solaris, and Windows NT