2014年6月25日星期三

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: spring terminal block(nominal value);
2.3 coaxial connector contact resistance; outer 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 rj45 ethernet connector than 1000MΩ, DC voltage measuring circuit is 500V ± 50V;
2.5 Withstanding 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).

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