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Figure 2: Technical layout and connection details for the Schneider 172JNN21032C industrial automation component.

August 10, 2026

172JNN21032C | Schneider Serial Link Option Adaptor with RS232/RS485

The 172JNN21032C Schneider serial link option adaptor supports RS232/RS485, offers 5-year battery life, and ensures reliable communication in Modicon Momentum systems.

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