... ,1490nm,1550nm wavelength laser output ,650nm visible laser source output optional. Using Advanced laser control technology for ... fiber sensing, etc.FeaturesChinese and English menuHigh stability source output ,1310/1490/1550nm wavelength for PON systemOutput ... 270Hz/330Hz/1KHz/2KHzFiber TypeSMConnector typeFC/PCVisible Laser Source (Visual Fault Locator)Output wavelength650nmEmitter TypeFP-LD Optical ...