... 1310 nm (multimode 2 kilometers)LED display:PWR: power lightFX LINK/ACT: optical LINK connection/active state lightTX ... the optical fiber network, especially in long distance and intensive fiber wiring areas of resource utilization rate, reduce optical fiber, optical distribution frame ... standards;Should SC, ST, FC a variety of optical fiber interface optional, work wavelength 1310, 1550 nm optional ...