Operating Status Led - SimCom SIM7100x EVB User Manual

Pin Signal
1 DCD
2 TXD
3 RXD
4 DTR
5 GND
6 NC
7 RTS
8 CTS
9 RI

4.6 Operating Status LED

Table 7: The Description of the LED Status
D301 Status
Off
On
800ms On/ Off
200ms On/ Off
D201 Status
Off
On
D202 Status
Off
On
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I/O
O
O
I
I
I
O
O
Figure 10: Status LED
Module Status
Module is not running
Module is running, or voice call is connected
Module find the network and registered
Data communication
Module Status
5V DC adapter is not connected to EVB.
5V DC adapter has be connected to EVB.
Module Status
The USB port of the EVB is not connected to USB
host.
The USB port of the EVB has been connected to USB
host.
16
Smart Machine Smart Decision
Description
Data carrier detection
Transmit data
Receive data
Data Terminal Ready
Ground
NC
Request to Send
Clear to Send
Ring Indicator
2015-07-20