Appendix Debug Case
Step 1 Establish Data Service Center
Assume that data service center (DSC) will be erected in a computer (PC1) in the LAN of a
company, the LAN connects internet through router gateway. Company has the fixed IP
address "219.142.188.132 “, fixed network solutions, as shown in figure - 1:
Figure-1
First, get to the router interface management for NAT Settings, map the 6800
port of DSC to PC1, operate GPRS DTU Test Software in PC1, set the service port
as “6800” in GPRS DTU Test Software. Startup services , DSC has been
established, as shown in figure – 2, figure –3: