DTU
User Manual
www.wlink-tech.com
18
3.2.8
Firmware Upgrade
Choose the firmware, then click Start button to upgrade firmware. Restart WL-D80
modem after upgrade is completed.
3.3
DTU Typical Application(point to point)
DTU establishes a TCP connection to data server center. DTU transmits serial port data
to data server center by TCP protocol. DTU acts as TCP client as below settings. The
serial port tool SSCOM32 simulates serial port device. TCP/IP net Assistant tool simulates
data server center.