Appendix C SCXIbus Connector
SCXI-1121 User Manual C-4 www.natinst.com
Further information is given in Chapter 3, Theory of Operation.
A24 TRIG0 TRIG0—General-purpose trigger line used by the SCXI-1121 to
send SCANCLK to other modules or receive SCANCLK from
other modules. Open collector. I/O.
B24 SS* Slot Select—When low, enables module communications over
the SCXIbus. Totem pole. Input.
C24 SCANCON Scanning Control—Combination output enable and reload signal
for scanning operations. Totem pole. Input.
All other pins are not connected.
Pin Signal
Name Description