... arbitrary ports, with less than 20ms failover time. Multi-loop and tangent-loop are also available to make sure of network security ... 100/120km in single mode, single/dual fiber2/4km in multi mode, single/dual fiberBasic BenchmarkProtection gradeIP30 protection grade, aluminum ... Interference)FCC Part 15, CISPR(EN55022), class A EMS(Electromagnetic Susceptibility)EN61000-4-2(ESD)/EN61000-4-3(RS)/EN61000 ...