ShinewayTech MTP-200 Series - Test Parameter Recommendation Value; 11 Trace Analysis and Event Operation; Open Trace File

MTP-200 Series User’s Manual
Shineway Technologies, Inc. - 41 -
For normal optical fiber link, end threshold configuration can be 3.0dB, as to PON network
optical fiber link with branching unit, it need to set the end threshold to a proper value and
then MTP-200 can locate the end event correctly. Please refer to follow end threshold
configuration sheet.
10.4 Test parameter recommendation value
Splitter type
Loss reference
value
End threshold
configuration reference
value
Recommend test
pulse width
1:8
≥9dB
12dB
100ns，300ns
1:16
≥12dB
15dB
100ns，300ns
1:32
≥15dB
18dB
300ns，1us
1:64
≥18dB
21dB
300ns，1us
Tab. 10.1 Recommended parameter values for PON network optical fiber link
11 Trace Analysis and Event Operation
11.1 Open Trace File
Open trace file:
1. Press down [Open] in button column in OTDR surface.
2. Select the file need to be opened in the files dialog box.
If necessary, change the file position to search saved files.
If necessary, click the scrollbar on the right side, check the listed files.
3. Click [Open] and the file opened.
If click [Cancel], the file can’t be opened and quit dialog box.
4. The file name displayed on the surface top left.