5.2.3. CAN bus termination
In any bus system, signal reflections at the end of a wire or cable can cause interference which can in turn cause
transmission errors. To minimize these reflections, place a terminator at each end of transmission lines. The
terminating resistance between CAN-High and CAN-Low must match the characteristic impedance of the transmission
cables. In CAN bus networks, normally unshielded, twisted cable pairs are used for signal transmission. The
characteristic impedance of the transmission lines is roughly 120 Ohm. The terminator between CAN-High and CAN-
Low must be 120 Ohm.
CANlink wireless 4000 Device Manual
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