Guralp Systems CMG-CD24 - Manual (Page 115)

Operator's Guide
8. Use DeviceInstaller to find the CD24 on the new network.
If your computer is configured to obtain its network address
automatically, both it and the CD24 will be using automatic
random IP addresses.
Automatic random addresses all begin with 169.254. Both hosts
will choose a different one every time they are power cycled or
rebooted, or when the wireless network connection is lost.
To prevent this happening, configure your computer to use a
static IP address, and use the Assign IP wizard in
DeviceInstaller to assign a static IP address to the CD24.
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