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一、引言SR6602是一种智能化的六笔绘图装置,其特点就是性能价格比高,并且提供了Centronix,RS-232C,GP-IB等多种I/O接口,这为它与各种计算机系统联结提供了方便。在[1]中就介绍了SR-6602与H89等十多种计算机系统的连接方
I. INTRODUCTION The SR6602 is an intelligent six-stroke drawing device characterized by its high cost performance and various I / O interfaces such as Centronix, RS-232C and GP-IB, System link provides convenience. In [1] on the introduction of the SR-6602 and H89 more than 10 kinds of computer systems such as connection