This is the descr iption of the IEEE488 interface for the LPT port of a standard PC.

gpib 输入、输出,ADLINK’s LPCI-3488A and USB-3488A GPIB controller interface cards are fully compatible with the IEEE488.2 instrumentation control and communication standard and are capable of controlling up to 14 stand-alone instruments via IEEE488

IEEE488.2 儀表控制接口編成範例程序,非常具參考價值(IEEE488.2 instrument control interfaces compiled sample program, a very useful reference)