Rs232 Interface; Operating Status Led - SimCom SIM5360A EVB User Manual

4.5 RS232 Interface

J205 is 9 pins standard RS232 UART interface. It can be connected to a PC directly.
Table 6: Serial Interface
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: Network status LED
D301 Status
Off
On
800ms On/ Off
200ms On/ Off
SIM5360A EVB User Guide
Figure 8: Serial Port
I/O Description
O Data carrier detection
O Transmit data
I Receive data
I Data Terminal Ready
Ground
NC
I Request to Send
O Clear to Send
O Ring Indicator
Figure 9: Status LED
Module Status
Module is not running
Module is running, or voice call is connected
Module find the network and registered
Data communication
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03.18.2014