The AK-PC 782B was designed to use Ethernet connection to the System Manager, through the router – check the video “How to connect AK-PC 782B to AK-SM 800A” in this webpage for connection details.
To configure the network address of the AK-PC 782B, the valid range of addresses is between 011 to 199, as shown below in the Installations Guide and User Guide:
The AK-PC 782B was designed to operate in this range of addresses. However, if by mistake the address is set to 001 to 010, the AK-PC 782B might not be able to communicate properly with the System Manager.