THIS WEB SITE IS OWED AND MAINTAINED BY A USER OF 3COM/US ROBOTICS PRODUCTS.
THIS IS NOT AN OFFICIAL WEB SITE OF 3COM/US ROBOTICS.  3COM/US ROBOTICS AND
ITS AFFILIATES DO NOT HAVE ANY RESPONSIBILITY FOR THE CONTENTS,
AVAILABILITY, OPERATION, OR PERFORMANCE OF THIS WEB SITE OR THE UPGRADES
OFFERED ON THIS SITE.

  • freelsd.net
    This is my first ftp site. There you may find a lot of information about USRobotics modems, not only them. Also there're some of modems protocol documentation and descriptions (ITU-T V series standards, etc).

  • V90 / X2 hack.
    Follow this link If you have a USRobotics Courier modem, and turn on V90 / X2 protocol in your modem for free.

  • Hacked sdl's.
    Old, but stable and already bugs fixed Courier firmware. If you can't upload this firmware directly, use freelsd.exe

  • Some undepended SDL hacks:

    UCFUSRCK sdl with internal debuger by Solar_Diz
    At_sdl by Anton Parfyonov.
    Kn_sdl by ???.

  • Original sdl's.
    For education purpose only. ;)

  • Russian Courier modems info and files (21600/terbo, 21600/RHST, 16800/HST, Russian CallerID, Voice).

    RCMM - Russian Courier Message Manager.
    HTM - HT-System Message Manager (SB supported).
    VM - Old and buggy RC Voice Manager.
    RC21600 Realtime Statistics by HT-Systems (via FOSSIL driver).
    RC Manual (cyrillic).
    RC ADPCM voice modes (sources).
    RC21600 ROM firware ;)

  • FAQ from RU.USR (cyrillic)

  • Some of modem/fax protocol standards:

    V.21 300 bps
    V.22 1200 bps
    V.22bis 2400 bps
    V.23
    V.32 4800-9600 bps
    V.32bis 4800-14400 bps
    V.34 4800-28800 bps
    V.42 LAPM (MNP included)
    V.42bis Compression
    V.8 Handshake
    T.4 Fax
    V.30 Fax
    V.32/terbo AT&T, 4800-19200 bps


    Mail comments to: freelsd@freelsd.net
    Designed by FreeLSD from Undefined Lab. © Copyleft 2000
    This project was started in 1994 and closed in 1998 year.