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Modbus Access to the Network Management Card

Modbus is a serial communications protocol, the NMC supports Modbus RTU (also called Modbus serial) and Modbus TCP/IP (also called Modbus TCP). If using Modbus serial for the NMC, the RS-485 communication should be wired with full duplex over a 4-wire bus.

For more details about the wiring of the Modbus serial, see Modbus Wiring Diagrams.

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