RS-232, RS-422,和 RS-485序列通訊界面的快速比較 - National Instruments

Specifications RS-232 RS-422 RS-485 工作模式 單端點 差動 差動 驅動器與接收器總數(One driver active at a time for RS-485 networks) 1 Driver 1 Receiver 1 Driver 10 Receiver 32 Drivers 32 Receivers 最大Cable長度 50 ft (2500 pF) 4000 ft 4000 ft 最大傳輸速度 (40 ft

digital.ni.com