4-Port Serial Interface, Modular, With/Without Optical Isolation, 3.3V

4-Port Serial Interface, Modular, With/Without Optical Isolation, 3.3V

*This Model has a 37-pin D-Sub male connector
*RS232, RS422, RS485, 20 mA Current Loop
*Modular structure through SI modules
*With or without optical isolation
*Mode configuration free for each port
*128-byte FIFO-buffer, common interrupt
*Transfer rate programmable up to 115,200 Baud
*Option: up to 1 MBaud for RS485 and RS422
*Automatic direction recognition for RS48
*Mode: configurable RS232, RS422, RS485, 20 mA Current Loop (active, passive) with or without isolation (SI modules)
*Transmission mode asynchronous, full, half duplex
*Transfer rate: progr. up to 115.2 kBaud up to 1 MBaud on request
*Protocol: 5, 6, 7 or 8-bit character 1, 1? or 2 stop bits
*Parity: even, odd, none, mark or space
*Interrupt lines: automatic through BIOS

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