Siemens siprotec 7SA522 User Manual page 50

Hardware and Connections
2-20
The device version with a Profibus interface has a DSUB socket instead of the fibre
optic channel B in the inclined housing located on the bottom side of the device (see
Figure 2-20).
Figure 2-20 Inclined housing with fibre optic connection and DSUB socket for Profibus inter-
face
n
Channel C
Channel B
Channel E Channel D
7SA522 Manual
C53000-G1176-C119-2