![]() Signal = 1 -3.0V to +3.0V are regarded as being in the 'dead area' (indeterminate value) and allow for absorption of noise.RS232 transmit (TX and Receive (RX) are ACTIVE LOW voltage interfaces and operates at +12V to -12V where: RS-232 is practically identical to ITU V.24 (signal description and names) and V.28 (electrical). ![]() RS-232 defines both the physical and electrical characteristics of the interface. RS-232 standards(TIA-232) are defined by TIA (Telecommunications Industry Association). ![]()
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