ITEM NAME:19inch RJ45 24Port Unshielded Blank Staggered Keystone Jack Patch Panel Description: - Terminal material: Phosphor bronze nickel plated, the number of plugging not less than 300 times. - Eight-pin material: Phosphor bronze gold plated, with at least 800 cycles - Contact resistance: no more than 2.5mÃŽ © under normal atmospheric pressure - Insulation resistance: no less than 1000MÃŽ © under normal atmospheric pressure.1x Patch Panel. - Anti-electrical strength: no breakdown and arcing within 1 minute of DC 1000V (AC, 750V). - Insulation resistance: no less than 1000MÃŽ © under normal atmospheric pressure conditions. - Size:255 45 20mm.