4-port Serial Interface, Modular, With/without Optical Isolation, 3.3V/5V, With 9-pin Connectors

4-port Serial Interface, Modular, With/without Optical Isolation, 3.3V/5V, With 9-pin Connectors

*This model has 4x 9-pin D-Sub male connectors on 2 brackets
*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)

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