© National Instruments
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A-5
Physical
Chassis requirement.......................................... One 3U CompactPCI or PXI slot
(PXI system timing slot for full functionality)
Weight
NI PXI-6651 ............................................. 163 g
NI PXI-6652 ............................................. 184 g
NI PXI-6653 ............................................. 203 g
Front panel connectors...................................... SMB male, 50
Ω
Front panel indicators ....................................... Two tricolor LEDs (green, red, and amber)
Recommended maximum cable length
PFI/CLKOUT, DC to 10 MHz.................. 200 m
CLKOUT High Gain, 105 MHz
1
.............. 100 m
PFI/CLKOUT Low Gain, 105 MHz
1
....... 30 m
Power Requirements
+5 V .................................................................. 2 A, max
+3.3 V ............................................................... 600 mA, max
+12 V ................................................................ 500 mA, max
-12 V ................................................................. 0 A, max
Environmental
Operating Environment
Ambient temperature range .............................. 0 to 55 °C
(Tested in accordance with IEC 60068-2-1 and
IEC 60068-2-2.)
Relative humidity range.................................... 10% to 90%, noncondensing
(Tested in accordance with IEC 60068-2-56.)
Maximum altitude............................................. 2,000 m (at 25 °C ambient temperature)
Pollution Degree ............................................... 2
Indoor use only
1
Maximum cable length with a direct cable connection. Loss from a signal splitter would reduce maximum
cable length.
