W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Firmware:

Com-Server UL

Model 58669

Current firmware
Date Changes and comments Revision
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
ZIP download
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Older firmware
Date Changes and comments Revision
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 and 1.51 with activated logfile fixed
 1.52
ZIP download
March 23, 2020
  • Configuration upload under Win10 corrected
  • GARPs with source and destination IP = 0.0.0.0 caused reset in DHCP mode
 1.51
on request
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
July 25, 2018
  • Original version
 1.45
on request
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