略語大辞典 [C] 25 RS request to send 送信要求(信号). データ通信のモデム制御信号名.request to send; a modem control signal in JIS(Japanese Industrial Standards) data communication protocol; or RTS; an RS232C signal; ref. FG(frame ground), SD(send data) or TxD(transmitdata), RD(receive data) or RxD, RS(reques 丸善「略語大辞典」JLogosID : 11858134