The Fluke 1120A can handle up to three instruments at a time.
Multiple 1120A's can be used in a system.
Use of the 1120A requires that a "personality" card for a particular instrument be installed in the Fluke 1120A.
These cards are supplied with compatible instruments.
The 1120A is an IEEE-488 Translator.
The 1120A is the link between IEEE-488 bus and a variety of Fluke instruments.
The Fluke 1120A converts codes and signals on the bus to codes and signals compatible with instruments.