英语词汇“null modem”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	null modem
释义	null modem null modem (communications, hardware)A cable, especially an EIA-232cable, for connecting serial ports on two computers directly,rather than via modems. Since, according to thespecification, both computers should transmit on pin three oftheir EIA-232 connectors and receive on pin two, a null modemcable needs to connect one computer's pin two to the other'spin three and vice versa. It also needs to have maleconnectors at both ends (again, according to thespecification).
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