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ISDN-Controller B1 v3.0

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ISDN-Controller B1-Presse1.jpg
Press material (C) AVM GmbH
ISDN-Controller B1-Bild2.jpg
ICEcat info (C) AVM GmbH


The ISDN-Controller B1 v3.0 is the successor model of the ISDN-Controller B1 v2.0, with optional Plug-and-Play support and RJ-45 connector instead of the Sub-D. It is the last AVM development of active ISA ISDN controllers, integrating most of the logic into a custom chip.


Daily updated index of all ISDN-Controller B1 v3.0 websites. Last update: 2020-12-05 04:01 GMT.

Legend:   on = live URL.   -   host = hosted here.   -   arc = from archive.org.   -   nonpub = non public.   -   dead = dead link.   -   Bold = service portal.


Daily updated index of all ISDN-Controller B1 v3.0 downloads. Last update: 2020-12-05 04:52 GMT.

Legend:   on = live URL.   -   host = hosted here.   -   arc = from archive.org.   -   nonpub = non public.   -   dead = dead link.   -   Bold = latest firmware.


Daily updated index of ISDN-Controller B1 v3.0 part numbers. Last update: 2020-12-05 04:31 GMT. Click an EAN/GTIN or MPN to search the web for it.
If you know any part numbers not listed here yet, expecially OEM and country specific versions, then please get in touch.

Legend:   ok = supported   -   eos = EOS   -   sold = still sold   -   dead = not sold any more   -   Bold = maintained Icecat entry   -   Italic = logistic entry without datasheet


Selectors >> PSU-Selector >> ISDN-Controller B1 v3.0   -   Showing recommended Power-Supply units.

PSU-Selector Type L. Min Max In Min Max Max Max Out Out Curr Pwr Out2 Out2 Curr2 Pwr2 Cap. Vend. Nick Alias
0 power supply units

Selectors >> Cable+Adapter-Selector >> ISDN-Controller B1 v3.0   -   Showing recommended Cables+Adapters.

Cable+Adapter-Selector Type Length Wires Shield Conn1 Gender Conn2 Gender Conn3 Gender Conn4 Gender
Standard ISDN-Cable ISDN-Cable 6 m 4 RJ-45 male RJ-45 male
1 cable or adapter


If you want to extend the gallery with own work then please get in touch. See also the Photography-Inspiration article.


The Versions section intends to compare different hardware revisions of a device.
If you could provide images of a revision not listet here yet then please get in touch.

  • TODO


PCB mounted:

  • IO-Adress - Jumpers - to choose the I/O adress of the card - Plug & Play / 150 / 250 / 300 / 340

Slot plate:

Bus connector:


  • TODO


Selectors >> Components-Selector >> ISDN-Controller B1 v3.0   -   Chips may occur multiple times if different types were found in probes.

Cat. Qty. Component Purpose Family Coden. Vendor Description
SoC 1x IMST400-X20I Transputer T400 ST 20MHz 32-bit RISC-Transputer without FPU
RAM 2x UPD424270-70 DRAM D-512K Elpida FPM DRAM 70ns, 256K x 16bit = 512KB
RAM 2x KM416C2568J-6 DRAM D-512K Samsung FPM DRAM 60ns, 256K x 16bit = 512KB
Flash 1x ST93C461 EEPROM EEPROM-128 Microchip EEPROM, 1K x 1bit = 128B
FPGA 1x QL24X32B-0PF144C FPGA pASIC QuickLogic 8000 Logic Gates FPGA
FON 1x PSB21525H V2.1 ISDN-Ctrl HSCX HSCX TE Lantiq High-Level Serial Communications Controller for Terminals
FON 1x PEB2086H V1.1 ISDN-PHY ISAC ISAC-S Lantiq ISDN Subscriber Access Controller
Misc 1x SN74ACT16823 Bus-Iface 7416823 TI 18-Bit Bus-Interface Flip-Flops With 3-State Outputs



Accessory-Index34 +
Accessory-LogoImage:ISDN-Controller B1-Presse1.jpg +
Accessory-ModelISDN-Controller B1 v3.0 +
Accessory-Nickb130 +
Accessory-TypeISDN-Card +
Accessory-VendorAVM +
ArchitectureRISC32 +
Bus-ISA16true +
CPU-Clock20 MHz +
CPU-Cores1 +
Card-BusISA16 +
Card-Typeactive +
Downloads0 +
FON-ChipsProperty:PEB2086H V1.1 + and Property:PSB21525H V2.1 +
FPGA-ChipsProperty:QL24X32B-0PF144C +
Flash-ChipsProperty:ST93C461 +
ISDN-Lines2 +
ISDN-RJ-45true +
Market-DateMarch 19, 1997 +
Misc-ChipsProperty:SN74ACT16823 +
Model-GroupISDN +
Product.dehttp://web.archive.org/web/19981201194924/http://www.avm.de/deutsch/aktivb1.htm +
Product.inthttp://web.archive.org/web/19981205153401/http://www.avm.de/english/aktivb_e.htm +
RAM0.5 MB +
RAM-ChipsProperty:UPD424270-70 + and Property:KM416C2568J-6 +
Ref-Linkshttp://web.archive.org/web/19990302060913/www.avm.de/deutsch/r0497-2.htm +
References1 +
Release-Note.dehttp://web.archive.org/web/19990302060913/http://www.avm.de/deutsch/r0497-2.htm +
Salesdead +
SoCT400 +
SoC-ChipsProperty:IMST400-X20I +
Sort-Index99.34 +
Supporteos +
Technical.dehttp://web.archive.org/web/19981206015449/http://www.avm.de/deutsch/details/b1.htm + and http://web.archive.org/web/19990302060913/www.avm.de/deutsch/r0497-2.htm +
Technical.inthttp://web.archive.org/web/19981203015257/http://www.avm.de/english/details/b1_e.htm +
Websites8 +
White-Paper.dehttp://web.archive.org/web/19981202163742/http://www.avm.de/deutsch/w0397-3.htm + and http://web.archive.org/web/19981202163742/http://www.avm.de/deutsch/w0397-4.htm +