© National Instruments | 1-33NI cDAQ-9132/9133/9134/9135/9136/9137 User ManualRefer to Table 1-5 for USB device port pin locations and signal descriptions.Caution Do not hot-swap USB devices while the cDAQ controller is in ahazardous location or connected to high voltages. If the cDAQ controller is not in ahazardous location, you can connect and disconnect USB devices without affectingoperation.RESET ButtonPressing the RESET button, shown in Figure 1-1 or 1-2, resets the processor in the same manneras cycling power.(NI cDAQ-9132/9133/9134/9135/9136/9137 for LabVIEW Real-Time) You can also use theRESET button to troubleshoot network connectivity. Holding the button down for 5 seconds, andthen releasing it puts the controller into safe mode. For more information about using the RESETbutton to put the controller into safe mode and troubleshoot network issues, refer to theTroubleshooting Network Communication in the LabVIEW Real-Time Controller section.Power ButtonThe default behavior for the cDAQ controller is to power on when power is applied to thecontroller and power off by pressing and releasing the power button, shown in Figure 1-1 or 1-2.The behavior of the power button can be configured in the BIOS, as described in the Using theBIOS Setup Utility to Change Configuration Settings section of Appendix A, ControllerOperating System and BIOS Configuration. If the cDAQ controller becomes unresponsive, youcan power it off by holding the power button down for 4 seconds. For more information aboutsafely powering down the cDAQ controller, refer to the Powering Down the cDAQ Controllersection.Caution Removing power without shutting down the cDAQ controller can corruptthe embedded Windows system drive. For information about how to improverobustness on the Windows system, go to ni.com/info and enter the Info Codeextxxx.Table 1-5. USB Device Port Pin LocationsPinout Pin Signal Name Signal Description1 VCC Cable power (+5 V)2 D- USB data-3 D+ USB data+4 GND Ground1423