RCT Power Storage DC 8.0 Manual page 100

5 Expand the selection list for "Network mode" and select "Slave".
Add the IP address of the Master device in the field "Master IP
address".
The default value for the "Master TCP port" is 8899. It should only
be changed if a networking device requires a different setting.
Press "NEXT >>" to continue.
6 Slide button for "Obtain an IP address automatically" to
"OFF"position and tap "FINISH".
An IP address of 0.0.0.0 usually indicates that a device is not
connected to a TCP/IP network. Connect your device to your home
network to obtain a valid IP address (see section 7.1.8 and 7.1.9).
If you are connecting your device to the home network using a
network switch obtain the IP address from the switch.
Wait until the message "Store changes ...done " appears and press
"Finish" again.
Please use this procedure to integrate all slaves in the system!
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