文件名称:chuankou
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。典型的RS232 信号在正负电平之间摆动，在发送数
据时，发送端驱动器输出正电平在+5～+15V，负电平在-5～-15V 电平。接收器典型的工作电
平在+3～+12V 与-3～-12V 之间。-. Typical RS232 signal level swing between positive and negative, when data is transmitted, the transmitter side driver outputs a positive level in+5 ~+15V, negative level at-5 ~-15V level. Typical operating the receiver level at the+3 ~+12V between the-3 ~-12V.
据时，发送端驱动器输出正电平在+5～+15V，负电平在-5～-15V 电平。接收器典型的工作电
平在+3～+12V 与-3～-12V 之间。-. Typical RS232 signal level swing between positive and negative, when data is transmitted, the transmitter side driver outputs a positive level in+5 ~+15V, negative level at-5 ~-15V level. Typical operating the receiver level at the+3 ~+12V between the-3 ~-12V.
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