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- Twisted Pair with a 120 Ohm resistor to terminate, it . It stabilizes the voltage and lessens external noise.No International Standard, however each enterprise usually has their own internal standardization.
DeviceNet:
- Has a set standard, three types of cables: Thick Round Cable, Thin Round Cable and Flat Cable
- There is standard for how long each branch from the main cable can be and how long they can be combined, this is drop length and cumulative drop length
- Connectors used are screw, mini and micro connector
Source: https://www.odva.org/wp-content/uploads/2021/05/PUB00026R5_Tech-Series-DeviceNet.pdf