Prepare an external submission machine with access to the LAN and the Internet, install and log in to the XRender client master account.
Install the XRender client on workstations that can only access the LAN. Before logging in, click the Settings button in the upper right corner and change the “Type” to “internal network”.
Enter the IP address of the external submission machine, and click the "Connect testing" button to perform a connection test.
After passing the test, click "Confirm" and return to the login interface, switch to the "Sub-Account Login" tab, and enter the account information assigned by the master account to log in.