Installing the Hardware

Connecting the USB Cable

USB modules can be connected directly to the host PC, to a powered USB hub, or to an NI PXI or PXI Express chassis featuring a USB port.
  1. Connect the USB cable to the NI USB-7845R using the cable device port.
  2. Connect the other end of the USB cable to the host PC, powered hub, or chassis.
  3. Use the jackscrew on the locking USB cable to securely attach the cable to the NI USB-7845R.

Powering the Module

Caution To ensure the specified EMC performance, install the included snap-on ferrite bead onto the DC power cord of the power supply in accordance with the instructions provided.
  1. Install the ferrite bead by opening the housing and looping the power supply once through the center of the bead. Ensure the ferrite bead is as close to the end of the cable as practical.
  2. Close the ferrite bead until the locking tabs engage securely.
    Figure 2. Installing the Ferrite Bead

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    1. Power Supply
    2. Ferrite
  3. Connect the power supply to the NI USB-7845R.
  4. Connect the other end of the power supply to a user-supplied power cord.
  5. Connect the user-supplied power cord to the appropriate power source.
  6. Turn the power switch on the NI USB-7845R to the on position.

USB Device Security Cable Slot

The security cable slot allows you to attach an optional laptop lock to your NI USB-7845R.

Note The security cable is designed to act as a deterrent, but might not prevent the device from being mishandled or stolen. For more information, refer to the documentation that accompanied the security cable.
Note The security cable slot on the USB device might not be compatible with all laptop lock cables.
Refer to the documentation that accompanied the security cable for installation instructions.

Verifying Hardware Installation

You can verify that the system recognizes the USB device by using Measurement & Automation Explorer (MAX).

  1. Launch MAX by navigating to Start » All Programs » National Instruments » MAX or by clicking the MAX desktop icon.
  2. Expand Devices and Interfaces.
  3. Verify that the device appears under Devices and Interfaces.
    If the device does not appear, press <F5> to refresh the view in MAX. If the device does not appear after refreshing the view, visit ni.com/support for troubleshooting information.