National Instruments VXI-MXI-Express Series User Manual page 45

Appendix A Specifications
Front Panel I/O Connectors
VXI-MXI-Express Series User Manual
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-2. 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-10 ni.com