User Manual
GPRS Solutions for Serial Connections
Copyright
©
2013 SHENZHEN ATC TECHNOLOGY CO., LTD.
11
u
IO:
Send this message to check the status of IO port.
u
IO:01=
”
Low
”
,O2=
”
High
”
,I1=
”
High
”
,I2=
”
High
”
Send this message to configure IO of the DTU. Those parameters here are just an example.