Maxxtro Modular Connectors, RJ45 Socket - RJ45 Socket, Straight

RJ10 (4P4C) 1:1 = 1-1, 2-2, 3-3, 4-4. RJ10 (4P4C) crossed = 1-4, 2-3, 3-2, 4-1. RJ12 (6P6C) 1:1 = 1-1, 2-2, 3-3, 4-4, 5-5, 6-6. RJ12 (6P6C) crossed = 1-6, 2-5, 3-4, 4-3, 5-2, 6-1. RJ45 (8P8C) 1:1 = 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8. RJ45 (8P8C) crossed = 1-8, 2-7, 3-6, 4-5, 5-4, 6-3, 7-2, 8-1.