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Firmware History


Product

CSE-M32, CSE-H20, CSE-H21 Firmware History

Release Date[Version] Changes
2016-03-16[2.0A] 1. Add default password for telnet console.
2. Fix bugs about handling telnet sub-option and password.
2016-02-18[1.4B] 1. Change DNS source port(53 to a random value between 4096 ~ 65535)
2. Fix minor bug about TCP Server/Client mode
3. Change hash algorithm for certificate signature (MD5 > SHA1)
4. Support TELCOM in RS422/485
2014-12-29[1.4A] 1. Apply new CPU version
2. Fix bugs about DHCP, DNS, SSL and RFC2217
3. Improve RFC2217 and DDNS function
4. Support separator function
5. Remove disable FIFO option
6. Support AT+PLS command
2011-07-26[1.3C] 1. Serial Manager Protocol bug fix
2. comment debugging flag related to PPP
3. PPPoE align bug fix at debugging code
4. add option for disable fifo
5. telnet password mismatch bug fix
6. U2S water mark bug fix
7. decrease sio buffer to 3584 from 3840 to avoid sio_dump & iptrap out of memory
8. UDP zero checksum bug fix
9. ATC ESC character bug fix
10. parse DDNS response contents
11. DTR/DSR port bug fix
12. telnet No Operation command bug fix
13. add AT+PPNG(ping test) command
14. decrease sio_rx_fifo size to 5ms length from 100ms length
15. add ddns state field to ezManager status
16. add mac address field to ezManager status
2009-07-07[1.3A] 1. dynamic TCP session management support
2. modified - tcp.c winq.c tty.c iptrap.c lsh.c scfg.c init.c
3. add 'length field' to env write len
4. CN0/CN1 led bug fix at U2S mode
5. add lsh sc(session control) command
6. limit tcp mss to MIN(TCP_LOCAL_MSS, ppp_send_mru, ppp_recv_mru)
7. add arp table field to ezManager status
8. decrease sio buffer to 3840 from 4096 to avoid ddns out of memory
9. ATC CN0/CN1 led bug fix
10. DNS peer_ip (ATC mode) bug fix
11. add AT+PSE(send escape) command
12. mac_id support
2009-03-04[1.2H] 1. UDP(at U2S mode) multicast support
2. duplicate exponential retransmit timer bug fix
3. reset rto_count in func tcp_stop_timers()
4. telcom | break support
5. telcom | reply SET_CONTROL request
6. telcom | avoid enabling hardware flow control
7. U2S dynamic peer_ip/port update
8. telcom | RTS collision bug fix
9. telnet sio dump support (add sd command)
10. rename sio0/sio1 to com1/com2
2009-01-20[1.2G] 1.decrease rx idle time to 10bit long
2.IP change missing TCP name bug fix
3.avoid connection to zero IP (0.0.0.0)
4.ata hook bug fix
5.lsh passwd buf overflow bug fix
2008-12-01[1.2F] 1.add atc command PPID & PPPW
2.reload env if crc test is failed when scfg write
3.atcmd auto_ns on/off support
4.blink led (rx/tx) if fatal env fault found
5.emac | reset rx_bds if RX buffer is full
2008-11-13[1.2E] 1.freeze link led blink
2.DTR/RTS update on telcom notify
3.atcmd host name lookup support (+pnip,+prhn)
4.TCP no delay support
5.TX delay support (up to 25 character time)
6.drop late dhcp response from coexist dhcp server
7.ezManager | TCP session management support
8.ezSerialConfig support / ISP operation change same as H80
9.add WDT reset code at emac wait loop to avoid H21 mulfunction
10.telcom 0xff bug fix
11.disable dhcp unicast
12.at dial hook bug fix
13.avoid at+pdc/ppe both enabled
2008-08-05[1.2D] 1. boot up checking H21 identification pin
2. fix telnet login message
2008-06-30[1.2C] 1. IP Change Trap - UDP bug fix
2. SSL/SSH telnet bug fix
3. modify SSL/SSH command lock
4. sio mark/space support
5. duplicate local port bug fix
2008-06-10[1.2B] 1. modify ddns update period
2008-05-29[1.2A] 1. SSL/SSH support
2. disable UDP dest_ip comparison when ezl_local_ip is zero
3. TCP MSS bug fix
4. U2S net_tx, net_rx update bug fix
5. add ICMP frag needed message processing routine
6. duplicate peer name bug fix
7. expand mfa free size to avoid lsh_printf malloc fail
8. optimization option change -O2 to -Os (reduce code size near 10k)
2008-01-16[1.1G] 1. tcp urg pointer bug fix
2. dhcpc sends broadcast if server is not in subnet
2008-01-15[1.1F] 1. dynamic IP telnet support
2. lsh series command bug fix
3. add arp refresh code in lookup.c iptrap.c u2s.c
2007-12-26[1.1E] 1. ip change trap support
2. modify emac_init() for new PHY LAN8700
3. set PHY s/w-reset timeout to 500ms
2007-11-16[1.1D] 1. is_ip_broadcast() 0xe0 comparison bug fix
2. is_ip_broadcast() broadcast detection bug fix
2007-09-15[1.1C] 1. add CTS & PDC_PTSR monitoring loop
2007-09-12[1.1B] 1. Dynamic DNS(DDNS) support.
2. DNS stat->end comparison bug fix.
3. PPP down bug fix.
2007-08-22[1.1A] 1. seq_gap bug fix.
2. emac TBQP bug fix.
3. reply none zero length keep-alive.
4. reset processor after ezcfg write.
2007-08-10[1.0E] 1. RTS vibration bug fix.
2. intr pending bug fix by setting AIC protect mode.
3. receive time-out frame loss bug fix.
4. PDC start_tx atomic bug fix.
2007-07-24[1.0D] 1. Telnet COM port control option support.
2007-07-03[1.0B] 1. Expand FIFO size.
2. UART 1.5/2 stop bits bug fix.
3. sio_rx_fifo_max bug fix.
2007-04-12[1.0A] 1. Initial touch.