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Appendix D Front Panel and Connectors
VXIpc 800 Series User Manual D-16 © National Instruments Corporation
Signal Characteristics
Refer to the relevant standard for the signal characteristics for VGA,
SCSI, Ethernet, keyboard, mouse, parallel, serial, and GPIB.
Table D-9 shows the signal characteristics for the SMB and speaker
connections.
Table D-9.
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