Menus in the WBM
5.4 The Switch menu
SCALANCE X-200
130 Configuration Manual, 03/2015, C79000-G8976-C285-06
Plastic Optical Fiber Management
This page shows the diagnostics data for interfaces with plastic FO cables.
Figure 5-40 POF Management
Here, you can see the currently available link power margin as a numerical value for each
POF port.
The link power margin indicates the attenuation on the connection between sender and
receiver that can be overcome. The higher the link power margin, the higher the attenuation
can be while maintaining a functioning link. If the link power margin sinks, the attenuation
has increased, for example due to aging or a defect. The longer the cable being used, the
lower the link power margin available.
The diagnostics page shown below appears if you click on one of the displayed ports. It
displays information on the available link power margin over time.
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