Siemens SIPROTEC 7SS522 V4.6 User Manual

Connection Diagrams
347
7SS52 V4 Manual
C53000-G1176-C182-3
D-SUB connectors
Connections for
FOs
The transmit and receive connections of the FO cables are identified by the symbols
for transmit (output) and for receive (input).
Pin
No.
PC port
Shield electrically
connected with collar
1 −
2RxD
3TxD
4 −
5GND
6 −
7 −
8 −
9 −
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Siemens SIPROTEC 7SS522 V4.6 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SS522 V4.6
Category	Power distribution unit
Language	English