Isolated RS-232 3-wire Repeater
Isolates: Txd, Rxd, Sgnd Loop Back: DTR/DSR, RTS/CTS
Model: ECD232ir3

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Isolated RS-232 5-wire Repeater
Isolates: Txd, Rxd, RTS, CTS, Sgnd Loop Back: DTR/DSR
Model: ECD232ir5

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Isolated RS-232 9-wire Repeater
Isolates: Txd, Rxd, RTS, CTS, DTR DSR, DCD, RI Sgnd
Model: ECD232ir9

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RS-232 Isolator
Isolates: Txd, Rxd, Sgnd
Model: ECD232iso

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Bus Powered USB to RS-232 converter
No extenal power required, support USB1.1/2.0 and full modem signals.
Model: ECD232USB-bp

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RS-232 to TTL Converter
The ECD232TTL is designed to converter TTL level signals into RS-232 level signals. The device allows you to connect a TTL device, like the serial port on the micro-controller, to the serial port of a personal computer.Power is supplied from the micro-controller PCB board.
Model: ECD232TTL

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View User Manual (.PDF)