... Other fib Instruction of DA-VFL650-1 DA-VFL650-1 series Visual Fault Locator uses the ... optical interface and be inserted into single mode or multi mode optical fiber.It is indispensable tool ... ,30mw,40mw,50mwOptical connector2.5mm universal connector, for 1.25mm connectors, FC (Male)-LC. (Female) ... 30mw,40mw,50mwOptical connector2.5mm universal connector, for 1.25mm connectors, FC (Male)-LC. (Female) ...