RJ45 ends are transparent. Look at the wires on both ends. Are they in the same order? Straight. Not? Crossover.
Most network devices auto-cross so people, for the most part, can stick with straight cables. Crossovers are still required in some situations, but not often.
Most network devices auto-cross so people, for the most part, can stick with straight cables. Crossovers are still required in some situations, but not often.