User guide

Smart Machine Smart Decision
T5320_User Guide_V1.02 16 2012-08-10
Figure 13: signal assignment of 10PIN I/O port
To make the usage conveniently, SIMCom provides a cable for customer, it can be inserted to the 10 PIN I/O port
so customer can develop their application by connecting some devices.
Figure 11 shows the specification of cable.
Figure 14: Dimensions of 10-line cable
Table 4: signal assignment of 10 pin cable
Connecting diagram
Terminal signal
P1
Wire color and cutting
length
Signal name I/O Command
1 Green GPIO3 I/O
2 Yellow GPIO1 I/O
Configurable
by AT
commands
3 Black GND Ground
4 Orange SPK+ O
5 Brown MIC+ I
6 White
1007 26#
GPIO4 I/O Configurable