National Instruments BNC -2140 - Manual (Page 22)

Appendix A Specifications
BNC-2140 User Manual A-2 ni.com
Voltage compliance ................................24 V
Excitation overvoltage protection...........±42.4 V (30 V
rms
) powered on
or off
Analog Output
Number of channels................................2 (See the Caution in the Analog
Output Signal Connections
section in Chapter 3,
Signal Connections .)
Output coupling ......................................DC
Power Requirement (from DSA device)
Power consumption ................................400 mA at +5 VDC
Physical
Dimensions .............................................14.4 by 11.2 by 5.5 cm
(5.7 by 4.4 by 2.2 in.)
I/O connectors
I/O signals........................................6 BNC connectors (outer shell
isolated from box metal)
DSA device connection ...................68-pin 0.8 mm VHDCI female
connector
Environment
Operating temperature ............................0 to 40 °C
Storage temperature ................................–55 to 150 °C
Relative humidity ...................................5 to 90% non-condensing