Technician A says that there can be up to 2 open Tees on a J1939 data backbone.Technician B says that most truck data backbones use electrical pressures of around 5 volts.Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

The J1939 data backbone does not allow for open tees; it requires a specific structure for its network to ensure data integrity and minimize reflections. Additionally, J1939 networks typically operate at 250k bits per second with a 24V electrical system in heavy-duty vehicles, not around 5 volts.

Technician a Says That There Can Be Up to 2