ASDA-A2 Chapter 3 Wiring
Revision February, 2017 3-59
3.7 CN4 Serial Connector (USB)
CN4 is a serial connector which used to connect PC software and enhance the efficiency. The
transmission speed of USB can up to 1MB, that is to say PC Data Scope can obtain the correct
data in time.
CN4 Connector (female)
PIN No. Signal Name Function and Description
1 V bus DC +5V (external power supply)
2 D- Data-
3 D+ Data+
4 GND Ground
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