Siemens siprotec 7SD5

3 Mounting and Commissioning
462
7SD5 Manual
C53000-G1176-C169-1
3.1.2.4 Interface Modules
Exchanging Inter-
face Modules
The interface modules are located on the processor board C-CPU-1 (No. 1 in Figure
3-3 and 3-4).
Figure 3-8 Processor board C-CPU-1 with interface modules (maximum configuration)
Note
Surface-mounted devices with fibre optics connection have their fibre optics module
fitted in the inclined housing on the case bottom. The CPU module has there instead
an RS232 interface module which communicates electrically with the FO module in
the inclined housing.
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