User's Guide

Smart Machine Smart Decision
SIM5360A EVB User Guide 03.18.2014
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4.5 RS232 Interface
Figure 8: Serial Port
J205 is 9 pins standard RS232 UART interface. It can be connected to a PC directly.
Table 6: Serial Interface
Pin Signal I/O Description
1 DCD O Data carrier detection
2 TXD O Transmit data
3 RXD I Receive data
4 DTR I Data Terminal Ready
5 GND Ground
6 NC NC
7 RTS I Request to Send
8 CTS O Clear to Send
9 RI O Ring Indicator
4.6 Operating Status LED
Figure 9: Status LED
Table 7: 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