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How do I connect the LabJack T-series device directly to my computer with Ethernet?

In order to connect a T4, T7, or T7-Pro directly to a computer with an Ethernet cable, please follow the networking app-note titled Direct Connection via Ethernet.


Direct Connection via Ethernet (App Note)

The application note is about connecting a T7 or T4 via Ethernet to a network that does not have a DHCP server (router).  Perhaps you have a few devices connected to a switch or hub, or perhaps you just have a T7 or T4 directly connected to a computer via Ethernet.  Since this network does not have a DHCP server, you need to disable DHCP on the computer and assign both static IPs.

  1. Follow tutorials for your operating system to configure your computer's Ethernet port to have a static IPv4 IP address.  For this example, give your computer a static IP address of  The subnet mask should be  The default gateway should be
  2. Connect a computer to the T7 or T4 via USB.
  3. Run Kipling, connect to the T7 or T4 via USB, and navigate to the Network Settings tab.
  4. Disable DHCP to enable manual entry of the networking details.  Enter the IP address:, subnet of, and a gateway of  You can leave the DNS/Alt-DNS IP addresses at  Press the Apply button.
  5. Wait a few seconds for the device's reported connection status to report "Connected" and show a static IP address of  If this does not happen, close Kipling, power cycle the T7, re-open Kipling, connect by USB, and go back to the Network Settings tab.

For troubleshooting at this point see the troubleshooting tips towards the end of the Basic Networking & Troubleshooting App Note.  Perhaps start with #5.