Firmware:

Com-Server Highspeed Isolated

Model 58633

Current firmware
Date	Changes and comments	Revision
November 14, 2022	Security update: WBM session management (VDE-2022-057) DHCP: Problem with DHCP relays corrected	1.78 UHD download

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Older firmware
Date	Changes and comments	Revision
July 29, 2019	Fixed possibly critical weaknesses in Web Based Management (VDE-2022-043) Corrections in SLIP mode	1.76 UHD download
June 25, 2018	Problem with Config Upload fixed Closing simultaneous TCP connections together with bandwidth problem	1.75 UHD download
April 30, 2015	Corrected: Closing a TCP connection for handshake stop condition and pending send data Corrected: DHCP for unstable links during the boot phase The newest included version of WuTility must be used for sending this firmware! The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.73 UHD download
January 8, 2015	FTP server mode: Irregular connection closing by client allowed for SNMP was deactivated after update to 1.71 The newest included version of WuTility must be used for sending this firmware! The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.72 UHD download
July 10, 2014	Web pages optimized for IE10 Box-to-Box: Dispatch Char in slave activated SLIP mode optimized DHCP: Optimized for high data load The newest included version of WuTility must be used for sending this firmware! The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.71 UHD download
January 24, 2011	Optimizing of firmware upload in noisy environments The newest included version of WuTility must be used for sending this firmware! The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.67 UHD download
December 22, 2010	Problem with parallel configuration session and data connection to Port D eliminated Support for fragmented UDP/IP packets Web Based Management optimized The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.66 UHD download
January 11, 2010	Keep-alive response in Box-to-Box mode modified Minimum length of Ethernet frames adjusted Reset behavior in DHCP mode revised The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.64 UHD download
May 4, 2009	Optimized DHCP response after link interruption SNMP correction incl. new MIB 1.23 Freely configurable baud rate divisor corrected IP bus mode corrected The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.62 UHD download
August 22, 2008	NEW: Serial input buffer configurable Software handshake optimized The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.60 UHD download
December 13, 2007	Cyclical generation of GARP packets Optimized saving of configuration files The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.58 UHD download
November 8, 2006	NEW: DHCP protocol NEW: DNS protocol Configurable TCP port for the control port RARP protocol revised The current configuration of the Com-Server is not affected by a firmware upgrade. Any subsequent reset of the Com-Server to the factory default setting does however activate the DHCP client. For details on DHCP operation and deactivating it where appropriate, refer to the current manual.	1.52 UHD download
May 29, 2006	Expansion of the Serial Socket Protocol Optimized configuration uploading LED indication of the connection status corrected	1.50 UHD download
March 10, 2006	TCP checksum calculation expanded Optimization of the IP bus mode	1.49 UHD download
February 15, 2006	Connect problem in FTP client mode resolved Telnet configuration of the system name corrected	1.48 UHD download
February 15, 2006	Network speeds and duplex transmission are fixed configurable Use of dynamic source ports in all TCP client modes Internal network buffers optimized FTP error handling revised (Client and Server mode) Optimized generation of GARPs after reset and link loss System passwords with more than 10 characters sometimes resulted in errors SNMP: Revision of the tables wtBaudrate and wtUartBaudrate (see also Com-Server MIB 1.19) Revised manual Rel. 2.09 Modified internal self-test	1.47 UHD download
April 18, 2005	Optimizing of the FTP client mode with serial protocol in connection with software handshake Support for Easy start! used with WuTility 3.03	1.45 UHD download
December 23, 2004	Interoperability problems with some DHCP servers rectified Assigning/changing the IP address with WuTility is also possible for IP address > 0.0.0.0 (only in conjunction with WuTility Version 2.61 and higher) Endless loop for serial IP assignment and specifying "-1" remedied	1.44 UHD download
November 16, 2004	Modified behavior in FTP client mode with serial login string Display of the FIFOs for telnet and Web configuration corrected Optimizing of the SNMP protocol	1.43 UHD download
September 14, 2004	IP bus mode revised "DTR Default = High" revised’	1.41 UHD download
July 29, 2004	New: Optional selectable Web Based Management Optimized keep-alive check	1.40 UHD download
May 5, 2004	RTS / DTR behavior in the mode "Handshake / Special / Default = Low" modified Optimization of the internal buffer management	1.39 UHD download
February 9, 2004	It is now possible to also assign the gateway address and subnet mask along with the IP address via the serial interface. Introduction of an active keep-alive check. At adjustable intervals, the Com-Server verifies in a stand-alone fashion whether a TCP connection is still valid Deactivation of the BOOTP client simultaneously switches off the RARP protocol too.	1.37 UHD download
October 8, 2003	Repeat BOOTP request after new start NOTE: If BOOTP/DHCP is not explicitly required, we recommend deactivating it via the Telnet configuration before the firmware update. CTS/DSR display in control port revised 110 baud implemented Copy/paste of configuration data optimized	1.35 UHD download
May 23, 2003	Optimization in UDP client mode with serial addressing Optimized inventorying with WuTility Optimization of the SNMP agent	1.33 UHD download
February 28, 2003	Com-Server Highspeed Office	1.32 UHD download

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