Networks Without Connection To The Company Network - Siemens SINUMERIK 840D sl Equipment Manual

General information and networking
4.3 Networking
4.3.3.2

Networks without connection to the company network

Configuration 1: NCU and TCU
Description
A direct Ethernet connection is used to connect a TCU to X120 of the NCU. NCU and TCU are
suitably preconfigured with IP addresses.
The IP addresses are not significant for further operation.
The TCU is connected to the NCU via a crossed Ethernet cable.
The direct connection of the NCU via X120 to the TCU automatically forms a simple system
network consisting of two computer nodes.
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Equipment Manual, 02/2024, A5E52918633B AA