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Siemens 7SJ85 - Page 117

Siemens 7SJ85
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[dwmultim-070611-01.tif, 1, en_US]
Figure 3-41 Connection over Short Distances, 1.5 km to 2 km via Multimode Optical Fiber
[dwmultim-070611-02.tif, 1, en_US]
Figure 3-42 Connection over Maximum 4 km via Multimode Optical Fiber
[dwsingle-070611-03.tif, 1, en_US]
Figure 3-43 Connection via Different Distances via Singlemode Optical Fiber
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i
NOTE
In order to prevent optical overload of the receiver, a 7XV5107-0AA00 attenuator must be used on one side
in the fiber-optic modules USART-AF, USART-AG, USART-AU, USART-AK, and USART-AV for distances of less
than 25 km/50 km.
System Functions
3.5 Protection Communication
SIPROTEC 5, Overcurrent Protection, Manual 117
C53000-G5040-C017-8, Edition 07.2017

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