5. ROUTER DESIGN
Plug cable for the second expansion port into the RJ45 connector labeled as PORT2 (see
figure below).
Figure 22: PORT2 cable connection
5.7.6
USB Port
Panel socket USB-A.
Pin
Signal mark
Description
Data flow direction
1
+5 V
Positive pole of 5 V DC supply voltage, 0.5 A
2
USB data -
USB data signal – negative pole
Input/Output
3
USB data +
USB data signal – positive pole
Input/Output
4
GND
Negative pole of DC supply voltage
Table 8: Connection of USB connector
Figure 23: USB connector
5.7.7
I/O Port
Panel socket 3-pin.
Pin
Signal mark
Description
Data flow direction
1
BIN0
Binary input
Input
2
GND
Signal ground
3
OUT0
Binary output
Output
Table 9: Connection of I/O port
18