User`s manual

8 Hardware Information
PXI-3920/3910
User’s Manual
2.4.1 PXI Trigger Connector
The PXI trigger connector is a SMB connector and is used to route
an external trigger signal to or from the PXI backplane. Trigger sig-
nals are TTL compatible and edge sensitive. The PXI-3920/3910
provides four trigger routing modes from/to the PXI trigger connec-
tor to synchronize PXI modules, including:
X From a selected trigger bus line to PXI trigger connector
X From the PXI trigger connector to a selected trigger bus line
X From software trigger to a selected trigger bus line
X From software trigger to PXI trigger connector
All trigger modes are programmable by the driver provided with
PXI-3920/3910. Please refer to Appendix A: Trigger I/O Function
Reference for further information.
Figure 2-3: PXI Trigger & Pin Assignments