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Broadcom BANT-J ADSL2+ USB Gateway

Single-Chip ADSL2+ CPE Gateway Chipset

Usage: To find other modems with the same chipset.

All drivers, downloads & info on this site are found via the modem.
Each Modem Manufacturers’ page also has external web-links, where available.

Manufacturer: Broadcom Corp.
Chipset Family Type: ADSL Customer Premises Equipment
Chipset Family: BCM6348 ADSL2+
Chipset: BANT-J ADSL2+ USB Gateway

Extra Info

Known Problems
Do NOT turn the ST off whilst booting up: if you unplug (or turn off in any way) a router during it’s boot sequence, it will start in ‘BootP-mode’ the next time (it is waiting to load new firmware). This is by design; early ST routers were dual partition devices, with backup-firmware, but these are single-partition machines.

Firmware updates:
  • Back up your ‘user.ini’ before flashing:
    • The Upgrade Wizard usually freezes after transfer, and before config restoration. Otherwise everything is fine, so just restart the router. Then, use the webpages to restore the old config file (Home > SpeedTouch > Configuration > Backup & Restore).
  • Connect the computer directly to the ST by Ethernet on Port 1:
    • Neither USB nor Wireless connections will work. If the Gateway has a Switch (more than 1 ethernet port) only use Port 1.
  • Disconnect from the Internet:
    • (Unplug the DSL-line)
  • Switch off all Anti-Virus programs + Firewalls:
    • This one is a major killer, and some programs are virtually impossible to stop

Problem: internet connections on r5 Firmware are distinctly slow.
Reason: use of Web Site Filtering policies (introduced in r5.3.0) is shafting performance.
Brief info + fix: the embedded web-pages changed radically in r5.3.0. A ‘Toolbox’ item appeared on the LHS menu, which in turn has a new ‘Parental Control’ option. Use of this “Differentiated Services Delivery” (off by default in r6 Firmware) is what affects the device performance (the embedded ARM CPU has insufficient horsepower for this job). The ‘Configure’ page contains an option to switch it off, which will restore performance back to normal.
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Key

Mfc: the company no longer makes/supplies modems and/or their chipsets, or has been taken over, or otherwise fallen into commercial Tophet.

Modem: it is no longer in production.

Chip, Chipset, Family or Family-Type: it is no longer produced at the Foundry.

In short, the item marked with a has shuffled off this mortal coil, it has gone to meet it’s maker, to sing with the choir invisible; it is, not to put too fine a point upon it, an ex-modem (-Mfc, -Chip, -Chipset, -Family or -Type).

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These pages are a LAMP-development of the original Modem-Help, UK site (most of the old HTML pages still exist, but havn’t been updated for quite some time). That site, in it’s turn, was a transfer from the first html site on free-pages at Freeserve (sadly, now gone). The current format allows superb search facilities, customisation by Registered members, plus is quick ‘n’ easy to update.

Diligently put together in the UK by Alex Kemp. All efforts have been taken to ensure the veracity of what is written - if you know of any errors or omissions then please let us know.

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