IMPORTANT NOTE ON MAXIMUM  ETHERNET CONNECTION LIMIT

The 2500C-J750 permits a maximum of 64 Ethernet connections. 

This is the TOTAL of all Client protocol connections that are configured,

plus whatever external devices connect to Server protocols.

For example, suppose an application has:

5 Modbus clients configured

4 Modbus devices which connect to the Modbus Server

16 Ethernet/IP scanner devices configured

2 devices which connect to the Ethernet/IP Tag Server

8 CAMP Client connections configured

4 devices which connect to CAMP Server

4 devices which connect to OPC-UA Server

This application has used (5+4+16+2+8+4+4) or 43 out of

the possible 64 connections.