National Instruments VXI-MXI-Express Series User Manual page 38

Front Panel I/O Connectors
© National Instruments
EXT CLK SMB Connector
Output drive ........................................... 50 Ω source terminated
Voltage level ................................................... 0.1 to 4.9 V into open circuit (typical)
Absolute maximum DC current ............. ±50 mA
Output coupling...................................... DC
TRIG IN SMB Connector
Input buffer ............................................ TTL compatible
Input coupling ........................................ DC
TRIG OUT SMB Connector
Output drive ........................................... 50 Ω line driver
Voltage level............................................... 2.0 V minimum into 50 Ω (typical)
Output coupling...................................... DC
Figure A-1. Front Panel SMB Connectors
output driver
0.1 to 2.5 V into 50 Ω (typical)
2
1
TRIG IN
2
1
TRIG OUT
2
1
EXT CLK (CLK10)
A-3
Appendix A Specifications
VXI-MXI-Express Series User Manual