2 Features and Functions32 Keysight U2781A User’s GuideSingle Master–multiple SlavesIn this configuration, only one Master module is allowed to send the SSI triggerevent to the receiving Slave modules.Configuration with Keysight U2300A, U2500A, and U2600A Series DAQonlyWhen there is one or more U2300A, U2500A, or U2600A Series DAQ in the SSIconfiguration, SSI allows users to set only one of the modules as MASTER andothers as SLAVE through AMM. Alternatively, users can also set this configurationusing the SCPI commands.Figure 2-5 Single Master–multiple Slave triggering with DAQNOTE Refer to U2300A, U2500A, and U2600A Series DAQ Programmer's Reference.