performance index
1 working temperature: -40 ~+70;
2 storage temperature: -40 DEG C ~+70 c;
3 Humidity: less than 90% (+30 degrees);
4 atmospheric pressure: 62Kpa ~ 106Kpa;
5 insulation resistance: the insulation resistance between the grounding device and the metal parts of the cabinet is not less than 2X104M ohm /500V (DC);
6 withstand voltage: grounding device and the metal parts between the resistance voltage is not less than 3000V (DC) /1min;
7 insertion loss: IL = 0.3dB (PC); IL = 0.3dB (APC);
8 echo loss: RL = 40dB (PC); RL = 50dB; RL = (UPC) 60dB (APC);
9 interchangeable: less than 0.2dB.