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.
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