Keysight U2781A User Manual

Keysight U2781A User Manual Manual pdf 27 page image

Features and Functions 2Keysight U2781A User’s Guide 27Trigger Bus (TRIG [0..7])Trigger Bus (TRIG [0..7]) is an 8-bit digital bus connected from slot 1 to slot 6 tosynchronize different USB modules. This trigger bus enables the USB modules ofpassing trigger signals to one another.To have one of the modules to control the operation of the other modules, set theparticular module as MASTER and the rest as SLAVE (refer to SimultaneousSynchronization (SSI) for more details). The control signal is sent from theMASTER module to the SLAVE modules through this trigger bus. See followingfigure for the bus architecture.Figure 2-2 Block diagram of Trigger Bus (TRIG [0..7]) and Trigger OutIn addition, the trigger bus can also be used to carry out the pre-configuration ofthe chassis and modules before any triggering activities. Refer to IdentifyingModules Location for more information.TRIG [0..7]