User's Guide
Smart Machine Smart Decision
SIM7100A EVB user Guide 20.08.201411
4.5 Operating Status LED
FIGURE 8: Status LED
Table 4: Network status LED
D301 Status Module Status
Off Module is not running
On
Module is running, or voice call is connected
800ms On/ Off
Module find the network and registered
200ms On/ Off
Data communication
LED I/O Description
D202 O ADAPTER power indicator
4.6 USB interface
FIGURE 9: USB Interface
It is a normal 4Pin USB connector.
Table 5: USB interface
Pin Signal I/O Description
1 USB_VBUS I 5V
2 USB_DM I/O D+ line
3 USB_ DP I/O D- line
4 GND Ground