保护输入 meaning in English

guarded input

For those inputs / outputs resident on other processors , the same shall be hardwired
但两个逻辑在不同处理器时，要硬连接才可(提供保护输入/输出) 。
In case protection inputs / outputs are required from one logic to another , they can be soft - wired , provided they are on the same processor
两个逻辑(元件)在同一处理器上，若彼此需要保护输入/输出时，可软连接处理。