24-port patch panel panelcat description:

1, environmental requirements 1.1 Working temperature: 5 ℃ ~ 40 ℃; Relative humidity: not more than 85% (30 ℃ pm); Atmospheric pressure: 70 ~ 106Kpa; storage humidity: -25 ℃ ~ +55 ℃. 2, the electrical performance 2.1 Working speed: 2Mbit / s, 8Mbit / s, 34Mbit / s, 45Mbit / s, 140Mbit / s, 155Mbit / s; 2.2 Characteristic impedance: 75Ω (nominal value); 2.3 coaxial connector contact resistance; outer industrial terminal block conductor is not more than 2.5mΩ, after mechanical durability test its value is not more than 2.5mΩ; inner conductor is not more than 10mΩ, after the mechanical endurance test its value is not more than 10mΩ; 2.4 Insulation resistance: the connector between the outer conductor, insulation resistance between the conductor and the cell sheet metal parts should be greater than 1000MΩ, DC voltage measuring circuit is 500V ± 50V; 2.5 Withstanding 12 port patch panel voltage: the connector between the outer conductor, between the inner conductor and the cell sheet metal parts should be able to withstand a frequency of 50Hz, the effective value of the AC voltage of 1000V role 1min without breakdown, no arc; Crosstalk between 2.6 back line defense degree: not less than 70dB (50kHz ~ 233MHz); 2.7 Insertion Loss: less than 0.3dB (50kHz ~ 233MHz); 2.8 Return loss: not less than 18dB (50kHz ~ 233MHz).