Specifications:1) SP5A24 extra class V 24Q, SP5A48 extra class V 48Q2) This product satisfies T 568A extra class V transmission specificationand meets wiring sequence of T568A and T568B 3) It is applicable for the horizontal wiring between rooms or equipment points 4) It features solid and easy mounting design to easily identify the ports forbetter management 5) It meets 19" frame mounting specification 6) The distribution frame is steel, spray-coated and black 7) RJ45 modular jack is made of ABS engineering plastics and polycarbonatewhile IDC post clamp is made of phosphor bronze 8) It is adaptable to wire sizes of 22, 24and 26AWG (0.64, 0.5 and 0.4mm)and its durability can withstand 250 cycles of inset and pull 9) Standard T568A and T568B wiring sequence 10) Uses standard type 110 wiring tool11) The transmission performance is tested under 100MHz 12) Near-end cross-talk: 4605dB 13) Attenuation: 0.17dB 14) Backward wave loss: 28.4dB 15) Average: 42.0dB 16) 482mm long 17) 44.4mm or 88.8mm wide 18) It is adaptable to standard 19" mounting with mounting distance 465mm