IntroductionSerial Port Powered RS-232 to RS-422/485 Converter
FeaturesThe Moxa TCC-80, which is powered via the RS-232 ports, provides complete signal conversion between RS-232 and RS-422/485. TCC-80 converts back and forth between RS-232s TxD and RxD lines and either half duplex 2-wire RS-485 or the balanced signal of full duplex 4-wire RS-422/485. In addition, TCC-80s outputs have comprehensive protection against current overload with built-in 15 KV ESD surge protection. TCC-80 is also designed to provide RS-485 auto data direction control in which the RS-485 driver is enabled automatically when the circuitry senses the TxD output from the RS-232 signal. This means that no programming effort is required to control the transmission direction of the RS-485 signal.
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