Trimble Outdoors SPSX51 - Manual (Page 78)

7 Configuring the Receiver Settings
76 SPSx51 Modular GPS Receivers User Guide
7. From the Settings Review screen, click Finish :
Once the WinFlash utility connects to the receiver, the Ethernet Configuration
dialog appears.
8. Enter the network settings in the Ethernet Configuration dialog. Click OK :
The Broadcast setting is the IP address that is used to broadcast to all devices on
the subnet. This is usually the highest address (usually 255) in the subnet.