Adlink USB-3488A User Manual download pdf (Page 35)

Operation Theory 27

3 Operation Theory

This chapter describes the operation theory of GPIB bus and the

basic architecture of ADLINK’s GPIB interface cards.

3.1 Connection Configuration

The GPIB bus has 24 lines which are divided into 16 signal lines

and 8 ground return or shield drain lines. The 16 signal lines can

be divided into 8-bit parallel data transfer bus and 8 control lines.

The 8 control lines contain 5 system management lines and 3

handshake lines.

Figure 3-1: Standard GPIB Connector

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Adlink USB-3488A User Manual Page 35