Could be a bad splice, but if it is a splitter it could just be an
artifact of that. It all depends on the type of splitter you are using
and what wavelength the OTDR is. It also depends what is on the other
ends of the splitter. If that is a splitter with nothing spliced to one
of the ends you can get a reflection off of a dead end.
On 9/28/23 8:32 AM, Adam Moffett wrote:
Can you have return loss (i.e. reflections) on bad fusion splices?
Attached trace is a splitter showing return loss. It's supposed to be
fusion spliced, not connectorized. There are several of these on this
project. Trying to figure out if contractor snuck in some incorrect
parts or if he's got issues with his fusion splicer. I'd assume it's
bad splices, but maybe coincidentally the reflectance just happens to
be about right for UPC connectors.
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