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Chapter 3
IDENTIFYING EXTERNAL COMPONENTS
This section identies all the major external components of the hub. Both the front and
rear panels are shown, followed by a description of each panel’s feature. The indicator
panel is described in detail in the next chapter.
Front Panel
The gure below shows the front panels of the switches.
Front Panel of FSD-503
Front Panel of FSD-803
Front Panel of FSD-1603
Please refer to the LED panel section for detailed information about each of the switch’s
LED indicators.
Rear Panel
Rear panel of FSD-503/FSD-803/FSD-1603