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GSM модем iRZ TC65 Lite
User Manual
9
1.5.3. USB Connector Type B for Data Cable Connection
The connector is used to connect to the control device. The USB port does not have priority over
the COM port (the COM port becomes deactivated).
Table 2.5.3 Purpose of the USB connector pins.
Contact
Signal
Purpose
1
V BUS
+5 V (is used as input to define the USB connection)
2
D−
Data transmission
3
D+
Data transmission
4
GND
System housing
2
3
4
1