Firstly, apply Protel99 software to design the SCH chart of the high-speed intelligent communication card and the main control card, secondly, design PCB charts and send them to the factory.

• 首先应用Prote199软件设计高速智能通信卡、主控制卡的硬件原理图，再设计印刷电路板图并送厂制板；