TCW181B-CM-v4.02 (Release date 2024-07-19)
   - HTTP module buffer optimization

TCW181B-CM-v4.01 (Release date 2024-06-07)
   - Fixed a bug on the login page related to buffer overflow
   - Implemented string length control for all parameter changes on pages
   - Corrected display of Cyrillic (and other non-Latin scripts) in the Monitoring section

TCW181B-CM-v4.00 (Release date 2023-10-19)
   - SMTP module optimization

TCW181B-CM-v3.16 (Release date 2021-01-13)
   - SMTP authentication bug fixed

TCW181B-CM-v3.15 (Release date 2020-07-29)
   - HTTP module optimization

TCW181B-CM-v3.14 (Release date 2019-11-12)
   - website optimization

TCW181B-CM-v3.13 (Release date 2019-01-25)
   - networx settings optimization about mac address

TCW181B-CM-v3.12 (Release date 2018-09-12)
   - change - characters encoding of HTML pages to UTF-8
     It is strongly recommend to use following setting:
     DNS = 8.8.8.8	
     Time server = time.google.com

TCW181B-CM-v3.11 (Release date 2018-06-11)
   - NTP module optimization
     It is strongly recommend to use following setting:
     DNS = 8.8.8.8	
     Time server = time.google.com

TCW181B-CM-v3.10 (Release date 2018-05-28)
   - DNS module bug fix
     It is strongly recommend to use following setting:
     DNS = 8.8.8.8	
     Time server = time.google.com

TCW181B-CM-v3.09 (Release date 2018-02-23)
   - NTP module optimization
   - SNMP trap sending bug fix
   - default NTP server is changed to time.google.com
     It is strongly recommend to use foloowing setting:
     DNS = 8.8.8.8	
     Time server = time.google.com

TCW181B-CM-v3.08 (Release date 2018-02-02)
   - "Save relay state after change via WEB" is added; "Yes" by default.

TCW181B-CM-v3.07 (Release date 2017-08-09)
   - Teracom web site link changed

TCW181B-CM-v3.06 (Release date 2017-03-10)
   - Overvoltage message bug fix

TCW181B-CM-v3.05 (Release date 2017-02-28)
   - email optimisation

TCW181B-CM-v3.04 (Release date 2017-02-24)
   - email body bug fixed

TCW181B-CM-v3.03 (Release date 2017-01-26)
   - test email body changes

TCW181B-CM-v3.02 (Release date 2017-01-12)
   - tcw gateway address bug fix;
   - MAC address is added in e-mail footer.
   - fixed bug related with tcw gateway 
   - it is added MAC address in alarm emails

TCW181B-CM-v3.01 (Release date 2016-12-07)
   - digital input is read on 30mS and changed after 7 equivalent sequential readings;
   - default DNS server is changed to 8.8.8.8;
   - NTP protocol optimization.

TCW181B-CM-v3.00 (Release date 2016-11-28)
   - new WEB design;
   - alarm tag is added in status.xml;
   - Monitoring page 
   - color change of parameter in an alarm condition;
   - by default, there are descriptions for every parameter;
   - by default refresh period of Monitoring page is 1 sec.;
   - e-mail format is changed, descriptions are included in the body;
   - the pulse duration can be extended with a new command via SNMP or HTTP API.

TCW181B-CM-v2.17 (Release date 2016-09-21)
   - FLASH memory writing optimization.

TCW181B-CM-v2.16 (Release date 2016-08-04)
   - memorization after "All ON"/"ALL OFF" buttons activation bug fix.

TCW181B-CM-v2.15 (Release date 2016-05-25)
   - by default changes of relay status via HTTP API is not memorized in FLASH; changes in I/O Setup page;
   - cookies processing optimization.

TCW181B-CM-v2.14 (Release date 2015-12-04)
   - optimizations in DNS and NTP; pool.ntp.org is a default NTP server.