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Firmware History


Product

CSE-M53N, CSE-H53N, CSE-H55N2, CSE-M53NI Firmware History

Release Date[Version] Changes
2024-12-17[2.4A] 1. Fixed minor bugs.
2023-11-14[2.3B] 1. Bug fix for TCP connection delay under specific conditions.
2023-01-17[2.3A] 1. Supports Multiple Connection (Max. 8 channels)
2. Support AT+PLS Command on ATC mode
3. Improves RFC2217 function
4. Fixes some minor bugs
2018-11-30[2.1A] 1. Fixed a bug failing to link with some switching hubs
2. Support TLS v1.1 and TLS v1.2
3. Remove SSL v2.0 and SSL v3.0
4. Add new commands for AT command mode: AT+PSSL, ATV2
5. Improve GARP function
6. Support RFC3168
7. Fixed minor bugs
2016-03-18[2.0A] 1. Add default password for telnet console.
2. Fix bugs about handling telnet sub-option and password.
2015-12-22[1.1B] 1. Change DNS source port(53 to a random value between 4096 ~ 65535)
2. Activate DTR signal in UDP mode
3. Support 300 and 600bps
2014-11-28[1.1A] 1. Enable Separator Function in UDP mode
2. Fix DHCP bug
3. Improve RFC2217 function
4. Add User select TCP timer option
2013-11-05[1.0E] 1. Support SD command
2. Support RFC2217 on RS422/485
3. Fix minor bugs
2013-02-14[1.0D] 1. Support CSE-M53N
2. Support 7 data bit with parity
3. Remove Data Frame option
4. Fix minor bugs about AT command and RFC2217
2012-11-26[1.0C] 1. Add CSE-H53N
2. Fix a bug about RTS/CTS flow control
2012-11-09[1.0B] 1. Fix a bug about DNS in UDP mode
2012-11-02[1.0A] 1. Initial Relese