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Can Bus transmits its data through a twisted pair of cables. At each end of the cable there will be a 120 ohm resistor with a operating range of -40C and 70C with a voltage rating of 250V:

• Twisted Pair with a 120 Ohm resistor to terminate. It stabilizes the voltage and lessens external noise.

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