SimCom Mini PCIe EVB Kit, Руководство пользователя

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Smart Machine Smart Decision
Table 6: Debug UART Port:
Pin Signal I/O Description
2 DEBUG_TX O
Transmit data
3 DEBUG_RX I
Receive data
5 GND
GND
3.6 LED Indicator and Switch
Figure 9: LED indicator and Switch
Figure 9 shows the indicator LED and function switch, the detail function please refer to table 7 and table 8.
Table 7: Working state of LED as list:
Ref No. Name Function description
D104 VCC3V3 indicator Bright
：
system has the 3.3V power
Extinct: system does not have the 3.3V power
HL104 WAKE indicator
Blinking one time when module wake up host
HL101 WWAN indicator
Refer to the HD document for details;
Mini PCIe
_EVB kit_User Guide_V1.00
15
2014-05-05