RS485串口通信程序，类似于【串口调试助手】，演示了如何设置RTS和清除RTS，同时，这些设置不影响RS232和RS422的使用-RS485 serial communication program, similar to [serial debugging aides], demonstrates how to set the RTS and clear the RTS at the same time, these settings do not affect the RS232 and

串行口有RS232C/RS422/RS485等几种标准。RS232C是目前应用最广泛的 种标准。目前已广泛用于计算机与外设 间的近程连接 -RS232C/RS422/RS485 such as serial port has several standard. RS232C is the most widely used standard. Has been widely used in computer and peripheral connections between the

2 programmable pedal footswitch inputs and 4 programmable MIDI controller knobs. Macintosh RS422 serial port.