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Serial 232 to 485-422 Converter ( 3one Data) Mar. 19, 2009 20:43:18
Standard Accord to EIA RS-232, RS-485, RS-422 standard
RS-232 signal TX, RX, GND
RS-485 signal D+ , D-, GND
RS-422 signal R+ , R-, T+ , T-, GND
Working Asynchronism, point to point or multi-point, 2....
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