Will the EGX models communicate with the older CM100 and CM200 lines?
CM100 and CM200 series
Communication capability between EGX gateway and CM100/CM200 series meters
Yes, EGX models (EGX 100, 200, 300, and 400) will communicate with the older CM100 and CM200 meters.
NOTE: Customer will have to configure the "Device List" from EGX webpage. Configure the modbus address and set protocole as "PowerLogic". View picture below where '1' is the CM100/200's modbus address: