
This firmware is designed for DS-2200 series only.

===========================================
eSearch Utility : 
This is the software utility to update the firmware.
https://www.icpdas.com/en/download/index.php?kw=esearch

tDS_Firmware_Update_xxx.pdf :
This is the document describing how to update the firmware.
https://www.icpdas.com/en/download/show.php?num=2790

===========================================
V2.0.9, Mar.31, 2025

Fix: Break event does not work properly when "Remove Break Error" is unchecked.

===========================================
V2.0.8, Jul.28, 2023

Chg: Reset Ethernet each time the module is restarted.

Chg: Respond to eSearch Utility with a * symbol after the model name when 
     the module is running in init-mode.

Add: Firmware supports 110 and 75 bps baud rates.
     Note: Hardware may have other limitations.

Fix: RS-485/422 may not work correctly.

===========================================
V2.0.7, Apr.07, 2023

Chg: Reply to the eSearch utility with the IP 0.0.0.0 if the module is still 
     waiting for a DHCP IP to be assigned.

Chg: Reboot the module if it does not obtain an IP from DHCP within 70 seconds. 

===========================================
V2.0.6, Mar.25, 2023

Fix: Saving parameters may fail, resulting in the module being loaded with the 
     factory or previous settings. This problem is rare.

Chg: If the module fails to obtain a DHCP-assigned IP within 60 seconds, it will 
     switch off the Ethernet for a few seconds, then automatically reboot and 
	  try again.

===========================================
V2.0.4, Mar.30, 2022

Chg: Change the DHCP waiting time from 20 seconds to 60 seconds.

Chg: Allowing change password back to factory default.

===========================================
V2.0.3, Jun.16, 2021

Chg: Change the Alarm IP from 255.255.255.255 to 0.0.0.0 for default disabled.

Chg: Force user to change password at the first time login.

Add: Add "Clear Count" button to clear the number of the send/receive/error counters.

===========================================
V2.0.1, May.27, 2020

Fix: The system LED of the DS-2212i / 2215i models does not show correctly.

Add: Remember last required web page, and redirect to it after login.

===========================================
V1.6.1, Oct.25, 2019

Chg: Change the model name from tDS-2200 to DS-2200.

Chg: DS-2200 series modules use MCU to control RS-485 TX/RX direction.

===========================================
V1.6.0, May.15, 2019

Add: Send break event to PC driver when serial port gets break signal.
     The "Remove BE" (Break Error) option on serial port setting must be checked 
	  for enabling sending break event back to PC.

Add: Supports user-defined baud rate.
     User have to verify the communication by him-self by using special baud rate.
	  The drop-down box is still available for predefined baud rate selection.

===========================================
V1.5.9, Feb.27, 2019

Chg: Supports CTS/RTS pins on RS-232 ports for the tDS-2212i / 2222i / 2232i models.

Add: Options to remove RX FIFO data when receives Parity / Framing / Break Errors.
     Parity Error = disabled.
	  Framing Error = enabled (remove data).
	  Break Error = enabled (remove data).

===========================================
V1.5.7, Aug.29, 2018

Fix: Port1 status does not show correctly on IE6/8. Fixed.

Fix: MAC address does not saved correctly. Fixed.

===========================================
V1.5.5, Apr.27, 2018

Fix: Module may be rebooted when using web browser to show the monitor page 
     under unstable network environment (for example: Wi-Fi) for a few minutes.

Fix: "Parameter Error" may be shown for web configuration. Fixed.

===========================================
V1.5.2, Jan.03, 2018

Chg: Hide unused client-mode options when selecting server mode 
     on port setting web page.

Chg: Combines the information of baud rate and data format on the 
     Home web page.

Fix: The max. length of the prefix string on each port is 7 chars, not 8.

Fix: Disable the unused flow-control setting on port 3 configuration page.

===========================================
V1.5.0, Jul.31, 2017

This is the first version released for tDS-2200 series.


##
