Detailed descriptions
16.1 Motherboard
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
199
16.1.4
External ports
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Figure 16-2 Connector pin assignment on the port
* Optional product variant
Table 16- 1
Interface
Position Connector Description
USB 2.0
external X60
Lower USB channel 0, upper USB channel 1
Lower USB channel 2, upper USB channel 3
PROFIBUS/MPI external X4
9-pin, standard socket, electrically isolated interface
PROFINET
external X3
Three RJ45 ports
Ethernet
external X1
X2
First RJ45 port
Second RJ45 port
DVI-I
external X70
26-pin socket
Compact Flash
external X50
50-pin CF socket, types I / II
COM1
external X30
Serial port
USB ports, X60
The Universal Serial Bus interfaces have the following pinout:
USB interface
Pin no.
Short description
Meaning
Input / Output
1
VCC
+ 5 V (fused)
Output
2
– Data
Data channel
Input / Output
3
+ Data
Data channel
Input / Output
4
GND
Ground
–
The connectors are of type A.