NI 5185/5186 Front Panels

NI High-Speed Digitizers Help (NI-SCOPE)

Edition Date: January 2017

Part Number: 370592AB-01

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The following figures show the front panels of the NI 5185/5186. Descriptions of the LEDs and connectors are shown below.

Previous NI 5185/5186 Modules

Early versions of the NI 5185/5186 only support 50Ω input signals. If the front panel of your NI 5185/5186 looks different from the front panels shown above, you may have an earlier version of the device. Check the part number of your device to be sure:

  • NI 5185 module part numbers 199363x-0zL and NI 5186 module part numbers 193537x-0zL (where x is any letter and z is any number) only support 50Ω input signals.
  • NI 5185 module part numbers 152962x-0zL and NI 5186 module part numbers 152961x-0zL (where x is any letter and z is any number) support both 50Ω and 1 MΩ input signals.

LEDs

The NI 5185/5186 has two LEDs to indicate status: Access and Active.

Access LED

The Access LED indicates basic hardware status, as listed in the following table.

ColorIndications
Off Module is not yet functional, or the module has detected a problem with a power rail.
Amber The device is being accessed or initialized. The Access LED is solid amber during initialization (for approximately 5–10 minutes after startup) and becomes green when this initialization period is complete. While the LED is solid amber, any host-initiated access to daughtercard registers will cause the LED to turn off for about 50 ms. If the steady state was green (that is, initialization was complete), then the LED flashes amber for 50 ms.
Green The module is ready to be programmed by NI-SCOPE.

Active LED

The Active LED indicates the module state, as listed in the following table.

Color Indications
Off Module is not armed, triggered, or acquiring a waveform.
Amber The module is armed and waiting for a Reference (Stop) trigger.
Green The module has received a Reference (Stop) Trigger, so it is acquiring a waveform.
Red The module has detected an error. NI-SCOPE must access the module to determine the cause of the error. The LED remains red until the error condition is removed. Example errors include the following:
  • Device initialization in progress—during start-up, the Active LED will appear red for a short period of time.
  • PLL unlocked—the module has detected an unlocked condition on a previously locked PLL. A PLL that is unlocked while in reset does not show an error.
  • External sample clock error—the module is unable to detect the external sample clock.
  • Overheating error—the module has detected an overheating error. Refer to Thermal Shutdown for more information.
Note  Certain driver interactions may cause the Active LED to flash red. An error condition does not exist unless the Active LED remains red.

Connectors

The NI 5185/5186 has the following connectors on the front panel.


Connector DescriptionFunction
REF CLKSMB jackImports an external reference clock to the digitizer.
CLK INSMA femaleImports an external sample clock to the digitizer.
CH 0SMA female (50Ω)Analog input connection; digitizes data and triggers acquisitions.
CH 0BNC (1 MΩ)Analog input connection; digitizes data and triggers acquisitions.
CH 1 SMA female (50Ω)Analog input connection; digitizes data and triggers acquisitions.
CH 1 BNC (1 MΩ)Analog input connection; digitizes data and triggers acquisitions.
TRIGSMA femaleExternal analog trigger connection.



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