Wiesemann & Theis GmbH

Networking, sensors and interface technology for industry, office and IT

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Firmware:

Com-Server 20mA

#58664

Current firmware
Date Changes and comments Revision
September 16, 2025
  • DHCP: Optimization of the process after link loss
  • DHCP: After assigning a DHCP lease and its expiry, IP assignment via static ARP is deactivated.
  • Bugfix: No function of the factory default jumper in version 1.60
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.61
UHD download
SHA-256 hash:
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Older firmware
Date Changes and comments Revision
April 23, 2025
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.60
on request
June 11, 2024
  • NEW: 802.1x MD5 authentication
  • WBM: Corrected erroneous linking
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.59
on request
January 10, 2024
  • NEW: Operating mode Modbus/TCP-Gateway (connecting MB/RTU slaves to MB/TCP masters)
  • DHCP: Problem with custom DHCP options fixed
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.58
on request
January 25, 2022
  • Client modes: Behavior of the Disconnect-Char corrected
  • DHCP: Problem with DHCP relays corrected
  • TCP: Behavior of TCP-Zero-Window optimized
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.56
on request
December 3, 2021
  • Security updates: WBM session management (VDE-2022-057)
  • NEW: TCP Client mode with optional TLS-PSK encryption
  • "Encrypted COM redirector" menu moved to "TCP Server" menu
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.55
on request
October 20, 2021
  • New mode: Encrypted connection (TLS-PSK) with Windows COM Port Redirector (version 3.92 and higher)
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.54
on request
February 26, 2021
  • Security updates
  • SNMP: Private MIB activated (read only)
  • Minimum value of the serial InQueue corrected
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.53
on request
May 15, 2020
  • Update problem in versions 1.50 with activated logfile fixed
  • Configuration upload under Win10 corrected
  • GARPs with source and destination IP = 0.0.0.0 caused reset in DHCP mode
 1.52
UHD download
SHA-256 hash:
November 21, 2019
  • New: Web-Based Management via HTTPS incl. certificate support
  • BREAK signal processing optimized
  • SNMP behavior MIB2 optimized
 1.50
on request
July 24, 2019
  • Fixed possibly critical weaknesses in Web Based Management (VDE-2022-043)
  • Display problems in Telnet and web configuration fixed
  • Readout of the UART error register corrected
 1.48
on request
March 21, 2018
  • Processing of BREAK signals adjusted
  • Support of a new flash type
 1.45
on request
February 20, 2018
  • Optimizations/corrections for Web-Based-Management
  • Buffer handling optimized
 1.42
on request
June 29, 2017
  • Optimized operation in DHCP environments with relay agents
  • Security problem with Port 1094/TCP fixed
 1.41
on request
December 28, 2016
  • Optimized system response in noisy/slow network environments
 1.40
on request
September 1, 2016
  • Initial version
 1.39
on request
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