IBM RS-232 - Manuals

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Helpful hint. Could cause problems later undernormal operation. Fatal mistake. The X tells about common assem-bly and operation errors as well asother things to watch out for. The check is a guide to help the userwith assembly and operation. Usethem to prevent mistakes. Interfacing to the Serial Por...

Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Input 8 Ground When resistor network RN2 is installed, all inputs are pulled high(on) and can be turned off by connecting a wire to the ground line. J1-J4 - Address Select. These jumpers de-fine the device number of the 8SC, allow-ing 16 device...