Mitsubishi Electric GOT2000 Series Connection Manual page 1158

Step 8.
On the[PLC side I/F Detailed Setting of GOT], mark the [via GOT(Ethernet) transparent mode] checkbox
and click [Setting...].
Step 9.
[GOT (Ethernet) Transparent Setting] is displayed.
Here, set the Ethernet module, which is firstly connected via a GOT.
Step 10.
Set [NZ2GF-ETB] for [PLC Type].
Step 11.
Set the same number to [IP address] as the number assigned to NZ2GF-ETB, and click [OK].
In the system configuration example, the setting is as follows.
[IP address]: 192 168 3 30
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22.7 Personal Computer Side Setting