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Product Description XI/ON - Eaton Automation

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<strong>XI</strong>/<strong>ON</strong>: Gateways for Modbus TCP 10 Glossary<br />

U<br />

Terminating resistance<br />

Resistor on both ends of a bus cable used to prevent interfering<br />

signal reflections and which provides bus cable matching. Terminating<br />

resistors must always be the last component at the end of a<br />

bus segment.<br />

To ground<br />

Connection of a conductive component with the grounding connection<br />

via a grounding installation.<br />

Topology<br />

Geometrical structure of a network or the circuitry arrangement.<br />

UDP<br />

Abbreviation for User Datagram Protocol. UDP is an transport<br />

protocol for the connectionless data between Ethernet hosts.<br />

Unidirectional<br />

Working in one direction.<br />

M001973-01, 07/2007 221

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