Here are common questions asked about the Trimble Nomad. Trimble Nomad FAQs. COM 1 is always for the serial port, whether using a Serial bot or USB boot. Trimble bd970 Selected Links. USB_support_drivers.zip-USB drivers for Microsoft Windows which allow serial port emulation for a USB connection to.

Getting Started Guides >SPS985 >Activation >Configuring a PC USB port as a virtual serial port Configuring a PC USB port as a virtual serial port It is possible to use the USB interface from an SPS GNSS receiver with a software application that requires a serial port. It is possible to use the USB interface from a Trimble AG-342 receiver with a software application that requires a serial port. For example, the Trimble WinFlash utility can be run on a computer that has no physical serial port by connecting the USB cable between the computer and the receiver. Another example would allow the receiver to stream NMEA messages over a USB interface into a computer's virtual serial port, allowing applications such as HYDROpro™ construction software to use the NMEA messages on a computer that has no physical serial ports. The SPS modular receivers have a number of USB cables to use. The SPS985 smart antenna has USB cable P/N 80751‐HH that can be connected to the receiver. The other end of the USB cable then connects to a computer.

The receiver must be running firmware version 4.15 or later. Windows 7 Professional operating system • The simplest way to install the Virtual Serial port for the USB interface to the SPS receivers is to go to the Trimble Support website () and search for the SPS GNSS receiver you have. In the Downloads section, download the file called Windows7 USB Installer to your computer or USB drive. The simplest way to install the virtual serial port for the USB interface to the receiver is to go to the Trimble Support website () and search for the AG-342 receiver. In the Downloads section, download the file called Windows7 USB Installer to your computer. This file contains a Support Note and installation program.

• Run the installation program. It will load the virtual serial port for the USB interface on your computer or USB drive. Note – If you have installed the Trimble WinFlash utility () on your computer, then another way to install the virtual serial port for the USB interface is to run the USB Installer program, which is located in C: Program Files Common Files Trimble USBDriver. If this process does not work for your computer, or if you have a different Windows operating system on your computer, then follow the procedure below.

Windows Vista and Windows 7 operating system • Go to the Trimble Support website () and search for the receiver you have. In the Support Notes section, download the file called AG-342 SPS GNSS Interface to a Virtual COM port on a Computer to your computer or USB drive. Patent File Wrapper Search more. • Open the file and place the trmbUsb.inf file in a temporary folder on your computer or USB drive. • On the computer, select Control Panel / Device Manager. • Click on the name of the computer and then from the Action menu, select Add Legacy Driver.

• A wizard prompts you to locate the TrimbleUsb.inf file. Locate the file and then follow the prompts in the wizard to continue.

Windows XP operating system • Go to the Trimble Support website () and search for the AG-342 SPSGNSS receiver. In the Support Notes section, download the file called SPS GNSS Interface to a Virtual COM port on a Computer to your computer or USB drive. • Open the file and place the trimble.Usb.INF file in a temporary folder on your computer or USB drive. • Turn on the receiver and then connect the USB cable to the computer. The New Hardwarewizard appears. • Select the No, not this time option and then click Next. • A dialog prompts you to specify the location of the USBSer.sys file.