GPRS DTU User Manual V1.3
http://en.usr.cn
Jinan USR IOT Technology Limited
Page 14 of 31
dynamic DNS software installed on the PC. DTU support DNS, so as long as users’
applying domain name remains the same, DTU can also connect with them. There
are many free DNS and domain name of the companies now, such as PeanutHull and
Secco communication software.
If your public IP address problem has been solved, so your PC will have the condition
as DTU data collection center, then you can test and use DTU.
5. Application Environment Testing
There are three application environment testing, as belows:
1.
The application of public network server
2.
The application of router transit
3.
The application of server transit
5.1.Application of Public Server
1
．
Testing target: Server software and local device can be in two way transmission
by DTU
2
．
Testing request: DTU serial port connected with PC serial port
3
．
Testing tool: USR-TCP-232-Test debugging tool, DTU
4
．
Testing environment: Target server IP “180.186.12.99”, Listening port”9696”,
protocol”TCP”
