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
Current firmware:

LAN-Modem 10/100BT autosensing


For LAN Modem Model 58620, HW version "CS-VIII Highspeed 8.0"
(purchased after Nov. 2002)

Firmware packet
(TCP/IP stack + modem interpreter)
Date Changes and comments Revision
January 25, 2011
  • Modem-Interpreter = 1.14
  • Support for fragmented UDP/IP packets
  • Optimizing of firmware upload in noisy environments

The newest included version of WuTility must be used for sending this firmware!

The instructions for updating the individual firmware components are found in the associated manual.

2.11
ZIP download
February 9, 2010
  • Modem-Interpreter = 1.14
  • Optimized handling when used with WuTility
  • Revised manual
  • Factory changed settings:
    • Keep-Alive check = 5s
    • Control port deactivated

The instructions for updating the individual firmware components are found in the associated manual.

2.10
ZIP download
29.12.2009
  • NEW: DHCP protocol
  • TCP checksum calculation expanded
  • Use of dynamic TCP source ports
  • Optimized internal buffer management
  • Cyclical GARP packets

The current configuration of the LAN Modem is unaffected by a firmware upgrade. Any later reset of the LAN Modem to the factory default settings does however enable the DHCP client. Details about DHCP mode and disabling it can be found in the current manual.

1.62 / 1.14
ZIP download
March 25, 2003
  • A few internal modifications of the TCP/IP stack
1.32 + 1.14
January 23, 2003
  • Optimization of the SNMP agent
1.31 + 1.14
12.11.2002
  • Firmware packet including TCP/IP stack and AT interpreter for all LAN modems 58620 with hardware version "CS-VIII Highspeed 8.0" (included since 11.12.2002).
1.29 + 1.14