Operation Manual

DTX Series CableAnalyzer
Technical Reference Handbook
10-4
Table 10-2. Diagnosing Fiber Test Failures (cont.)
• Fiber endface is dirty or damaged.
• Test reference cord not connected to tester’s INPUT port, or a connection is loose.
• Wavelength selected on tester doesn’t match source wavelength.
• Source set to modulated output.
• Test reference cord or adapter is the wrong type (SM or MM) or test reference cord has the wrong core size.
• Cabling is cracked or broken.
Tester is connected to an
active CATV fiber.
The remote tester is in Far End Source mod
e, indicated by a solid red or green LED below the OUTPUT port. To exit Far
End Source mode, press the button on the module until the LED blinks green.
Power meter measurement is too low
Power meter measurement is too high
No FindFiber connection in Smart Remote or Loopback mode when fiber paths are complete