Appendix D
Front Panel and Connectors
© National Instruments Corporation
D- 15
VXIpc-850 Series User Manual
Signal Characteristics
Refer to the relevant standard for the signal characteristics for VGA,
SCSI, Ethernet, keyboard, mouse, parallel, serial, and GPIB .
Table D-11 shows the signal characteristics for the SMB and speaker
connections.
Table D-11 . Signal Characteristics for SMB and Speaker Connections
Signal
Voltage
Range
Maximum
Current
Frequency
Range
SMB (TRIG out, CLK out)
0 to 3.4 V
200 mA
DC-10 MHz
Speaker
0 to 4.3 V
75 mA
DC-20 kHz
SMB (TRIG in)
0 to 5 V
100 mA*
DC-10 MHz
* with 50
Ω
termination