... www.greentelfttx.com, perform continuity tests and verify cable labeling.Based on non-destructive macrobending technology,the ... 't disrupt traffic,damage or overstress the fiber,enabling efficient,accurate and reliable data acquisition.Features ... -year warranty and Three-year recommended calibration intervalSpecification Optical Fiber Identifier - GFI Parameter ModelGFI-400GFI-420SGFI-420LWavelength ...