GPIB Connection Module, for InfiniiVision 2000/3000 X-Series Oscilloscope. The Agilent (now Keysight) DSOXGPIB is a GPIB Connection Module. GPIB (also known as IEEE-488 or HPIB) is a standard for instrumentation communication and control and used by many manufacturers. Module plugs into rear panel expansion slot Provides handshaking and interface communications over an 8 bit data bus