4 port RS-232 module
- Parallel I/O Module
- RS-232 Channels: 4
- 16550 compatible
- Internal 16 bytes FIFO
- Transmission speed: 921.6K BPS max.
- Modem control
- TXD, RXD, RTS, CTS, DSR, DTR, DCD, RI, GND
- Shared Interrupt
- Support interrupt driven software library
- Support VxCOM library
- Power Consumption: 1W
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