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Can a third party SCADA communicate with the NOE or NOE using UMAS protocol

Goals and Symptoms
Can a third party SCADA communicate with the NOE or NOE using UMAS protocol
Facts and Change
NOE and NOR

Causes and Fixes 
If Wireshark, shows OFS using UMAS to communicate with the module.  Can a third party SCADA also communicate
with the NOE or NOE using UMAS protocol. 

The answer is no.

UMAS is a Schneider Electric proprietary protocol that can only be interpreted by the CPU.  OFS uses OPC to
communicate with the external devices or SCADA.  When you configure OFS for Unity it uses the UMAS protocol to
communicate with the CPU.  The UMAS protocol packet from OFS is encapsulated within a Modbus TCP/IP packet. 
This is what you would see in Wireshark.  The NOR and NOE modules were not designed to handle or understand
the UMAS information that is encapsulated in the Modbus TCP/IP protocol packet.  When it sees a Modbus TCP/IP
pakcet with function code 90, it interprets this as UMAS and passes it along to to the CPU.  Unity understands and
can breakdown the UMAS protocol information from OFS because it was designed for it. 

If the external device or SCADA sends a UMAS protocol request to the NOR or NOE without encapsulating it in a
Modbus TCP/IP message, it would not know what to do with it,
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