10
2.5.3.
USB connector
USB connector (B type) is used for connection to managing device via USB 2.0 interface. The view of the
connector is shown in Fig. 2.5.3:
Fig. 2.5.3
USB connector
Table 2.5.3
USB connector pin assignments
Pin
Signal
Function
1
+5V
Modem power, consumption no more than 500 mA
2
D−
Transmit Data
3
D+
Transmit Data
4
GND
System Housing
