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B&B Electronics, Inc.
SPECTRE User Manual
38
SPECTRE_User_Manual_2912m
www.bb-elec.com
www.bb-europe.com
4.8
USB Port
PANEL SOCKET USB-A
Pin
number
Signal mark
Description
Data flow direction
1
+5V
Positive pole of 5V DC supply voltage
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 16: Connection of USB connector
Fig. 30: USB connector