Tiny Serial-to-Ethernet Device Server
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LED Indicator
Once power is supplied to the tDS-700/DS-2200 series module, the system LED indicator will
illuminate. An overview of the system LED functions is given below:
Function
Color
S1 LED Behavior
Running Firmware
Red
Steady ON
Network Ready
Slow flashing
–
Once every 3 seconds
Serial Port Busy
Rapid flashing
–
Once every 0.2 seconds
The following serial port LED indicators are tDS-718i-D only. You can change the serial interface via
web server. An overview of the serial Port LED functions is given below:
Function
RS-232
RS-485
RS-422
LED Behavior
Serial COM Ports
The number of serial COM Ports available depends on the type of tDS-700/DS-2200 series module.
For more detailed information regarding the pin assignments for the Serial COM ports, refer to