Exfo OTDR 2 User Manual download pdf (Page 194)

Description of Event Types

186 OTDR

Span Start

The Span Start of a trace is the event that marks the beginning of the fiber

span. By default, the Span Start is placed on the first event of a tested fiber

(typically the first connector of the OTDR itself).

You can make another event the start of the span you want to focus your

analysis on. This will set the beginning of the events table at a specific

event along the trace.

Span End

The Span End of a trace is the event that marks the end of the fiber span. By

default, the Span End is placed on the last event of a tested fiber, and is

called the end-of-fiber event.

You can also make another event the end of the span you want to focus

your analysis on. This will set the end of the events table at a specific event

along the trace.

Short Fibers

You can test short fibers with the application. You can even define a fiber

span for short fibers by placing the span start and the span end on the same

event.

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Exfo OTDR 2 User Manual Page 194