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Pin assignment of the internal USB connector, X420
Pin no.
1
2
3
4
5
6
7
8
9
10
Note
Contact Customer Support or the Repair Center for detailed information on pin assignments
of the interfaces.
SATA data interface, X5, 6, 7, 8 (shielded connector)
Pin no.
1
2
3
4
5
6
7
Pin assignment of the power supply fan monitoring interface, X130
Pin no.
1 to 3
4
5 - 7
8
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
Short name
Meaning
VCC
+ 5 V (fused)
Key
–
-Data USB1
Data channel
-Data USB3
Data channel
+Data USB1
Data channel
+Data USB3
Data channel
GND
Ground
GND
Ground
GND
Ground
Key
–
Short name
Meaning
GND
Ground
TX-P
Transmitter positive
TX-N
Transmitter negative
GND
Ground
RX-N
Receiver negative
RX-P
Receiver positive
GND
Ground
Short name
Meaning
Reserved
-
Tacho signal
Monitoring signal
Reserved
-
Ground
-
Detailed descriptions
16.1 Motherboard
Input / output
Output
–
Input / output
Input / output
Input / output
Input / output
–
-
–
–
Input / output
-
Output
Output
-
Input
Input
-
Input / output
-
Input
-
-
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