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ISDN-Controller T1

From BoxMatrix

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ISDN-Controller T1-Presse1.jpg
Press material (C) AVM GmbH
ISDN-Controller T1-Image2.png
Screenshot english T1/T1-B PDF (C) AVM GmbH


The ISDN-Controller T1 is a professional 19" active S2M controller for up to 30 ISDN lines, with 3 T400 family transputers and 9MB of RAM. An advanced version which additionally contains one ISDN-Controller T1 Booster board is the ISDN-Controller T1-B. The T1 comes with the ISDN-Controller T1 PCI Link card or the ISDN-Controller T1 ISA Link card. Both connect the T1 to a PC using a 20 Mbps RS422 serial link, which can span up to 20 meters.

The T1 does not have any Flash storage homing an OS, so without a PC, line card and drivers for the respective OS it is not usable for its purpose. The PDF manual explains installation on Windows XP / 2000 / NT, Netware and Linux, but there are also MSDOS drivers. Like for every AVM ISDN card the drivers provide a CAPI interface. With up to 4 T1 devices and line cards a single server could handle up to 120 ISDN B-channels, including multi-channel bonding. Even mixtures of *active* AVM ISA and PCI cards (B1, C2, C4, T1) are possible up to 4 cards. For Windows AVM sold the ISDN Services for Windows Networks suite, consisting of ISDN Access Server, ISDN MultiProtocol Router and Network Distributed ISDN (NDI).


  • Jonathan Schilling's research article about the T1/T1-B, the Booster and the ISA card (german)
  • Jonathan Schilling's research article about the B1 v2.0 and mods to drive a T1 / T1-B with it. (german)
  • Axel Muhr's research article about the T1 / T1-B, the Booster and the PCI card (english)
  • Axel Muhr's research article about the Hema TA2 ISA card (english)
  • Both have contributed all their images to BoxMatrix. Big thanks!

Daily updated index of all ISDN-Controller T1 websites. Last update: 2022-09-30 03:02 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 T1 downloads. Last update: 2022-09-30 04:37 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 T1 part numbers. Last update: 2022-09-30 03:34 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 T1   -   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
AVM 01002 trafo ext 100 V 250 V AC 47 Hz 63 Hz 1,100 mA 110 VA 48 V DC 0 mA 0 VA AVM 01002 AVM01002
1 power supply unit

Selectors >> Cable+Adapter-Selector >> ISDN-Controller T1   -   Showing recommended Cables+Adapters.

Cable+Adapter-Selector Type Length Wires Shield Conn1 Gender Conn2 Gender Conn3 Gender Conn4 Gender
0 cables and adapters


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


Front panel:

  • Power - LED (gn)
  • Sync - LED (gn) - lit when connected to the ISDN network
  • D - LED (gn) - lit during D-channel activity
  • System - LED (gn) - lit when connected to a PC and drivers are loaded
  • B1-B30 - LEDs (gn) - lit during B-channel activity

Back panel:


Details about the ISDN-Controller T1 casing:


Selectors >> Components-Selector >> ISDN-Controller T1   -   Chips may occur multiple times if different types were found in probes.

Cat. Qty. Component Purpose Family Coden. Vendor Description
SoC 2x IMST400-X20I Transputer T400 ST 20MHz 32-bit RISC-Transputer without FPU
SoC 1x IMST425-G25S Transputer T400 ST 25MHz 32-bit RISC-Transputer without FPU
RAM 18x MT4C16256DJ-7 DRAM D-512K Micron FPM DRAM 70ns, 256K x 16bit = 512KB
RAM 18x GM71C4270AJ70 DRAM D-512K Hynix FPM DRAM 70ns, 256K x 16bit = 512KB
FPGA 1x A1010B-1 FPGA ACT1 Microsemi 1200 Logic Gates FPGA
FPGA 2x A1010B-2 FPGA ACT1 Microsemi 1200 Logic Gates FPGA
FPGA 1x GAL16V8C-5LJ GAL 16V8C Lattice 20-Pin Generic Array Logic
FON 1x PEB22320N V2.1 S2M-PHY PRACT PRACT Lantiq Primary Rate Access Clock Generator and Transceiver
FON 1x PEB20320 V3.2 S2M-PHY MUNICH MUNICH32 Lantiq Multichannel Network Interface Controller for HDLC
FON 1x PEB2035N V4.1 S2M-PHY ACFA ACFA Lantiq Advanced CMOS Frame Aligner
Trafo 2x L4097-X012-80 ISDN-PHY VAC S2M / ISDN Line Transformer
Trafo 2x UT21712 ISDN-PHY UMEC S2M / ISDN Line Transformer
PSU 1x TL7705AC Reset-Gen TL77xx TI Supply Voltage Supervisor, Reset Generator
Misc 3x SN74ACT16841 Bus-Iface 7416841 TI 20-Bit Bus-Interface D-Type Latch With 3-State Outputs
Misc 5x 74HC595 LED-Latch 74595 Various 8-bit Shift Register with Output Latches, 3-state
Misc 1x TL74HCT32D Logic 7432 NXP Quad 2-Input OR Gates
Misc 1x AM26C31C RS-422 AM26C3x TI Quad RS-422 Symmetrical Line Drivers
Misc 2x AM26C32C RS-422 AM26C3x TI Quad RS-422 Differential Line Receivers

TODO: Property:IMST400-X20I OR Property:IMST425-G25S OR Property:MT4C16256DJ-7 OR Property:GM71C4270AJ70 OR Property:A1010B-1 OR Property:A1010B-2 OR Property:GAL16V8C-5LJ OR Property:PEB20320 V3.2 OR Property:siemens OR Property:PEB2035N V4.1 OR Property:PEB22320N V2.1 OR Property:SN74ACT16841 OR Property:AM26C31C OR Property:AM26C32C OR Property:TL74HCT32D OR Property:74HC595 OR Property:TL7705AC OR Property:L4097-X012-80 OR Property:UT21712


Facts about "ISDN-Controller T1"
Accessory-Index40 +
Accessory-LogoImage:ISDN-Controller T1-Presse1.jpg +
Accessory-ModelISDN-Controller T1 +
Accessory-Nickt1 +
Accessory-TypeISDN-Card +
Accessory-VendorAVM +
Annex-nonetrue +
Annex (icecat)none +
ArchitectureTransputer +
Architecture2Transputer +
CPU-Clock20 MHz +
CPU-Clock225 MHz +
CPU-Cores1 +
CPU-Cores21 +
Card-BusRS422 +
Card-Typeactive +
Casing-Dimensions485 x 370 x 50 +
Casing-GroupT1-Casing +
Casing-OrientH +
Casing-Screws4 +
Casing-Wallmountno +
Colourblack +
Datasheet.dehttps://web.archive.org/web/20040729050113/http://www.avm.de/de/Produkte/aktive_Controller/T1_T1B/db_T1.pdf +
Diagnostic-DSUB15true +
Downloads39 +
Driver-DOStrue +
Driver-Linuxtrue +
Driver-Netwaretrue +
Driver-OSWin2K +, WinNT +, WinXP +, Netware +, Linux + and DOS +
Driver-Win2Ktrue +
Driver-WinNTtrue +
Driver-WinXPtrue +
EOM-DateDecember 31, 2004 +
EOS-DateJune 30, 2005 +
FON-ChipsProperty:PEB20320 V3.2 +, Property:siemens +, Property:PEB2035N V4.1 + and Property:PEB22320N V2.1 +
FPGA-ChipsProperty:A1010B-1 +, Property:A1010B-2 + and Property:GAL16V8C-5LJ +
GTIN4023125017575 + and 4023125017681 +
Grounding-Screwtrue +
ISDN-Lines30 +
MPN20001757 + and 20001768 +
Manual.dehttps://assets.avm.de/files/docs/server-produkte/isdn-controller-t1-t1-b/isdn-controller-t1-t1-b_man_de_DE.pdf + and https://web.archive.org/web/20100216065059/http://www.avm.de/de/Service/Handbuecher/Fuer_Unternehmen/Server-Produkte/Handbuch_T1.pdf +
Manual.inthttps://web.archive.org/web/20091228215039/http://www.avm.de/en/service/manuals/Business_Solutions/Server_products/Manual_T1.pdf +
Misc-ChipsProperty:SN74ACT16841 +, Property:AM26C31C +, Property:AM26C32C +, Property:TL74HCT32D + and Property:74HC595 +
Misc-LEDsSync-LED:gn +, D-LED:gn +, System-LED:gn + and B1-B30-LEDs:gn +
Model-Countryde +
Model-GroupISDN +
Model-Languagede +
NotSold20001757 + and 20001768 +
OwnerUser:Jonathan Schilling + and User:Axel Muhr +
PSU-ChipsProperty:TL7705AC +
Power-LEDgn +
Power-XLRtrue +
Product.dehttp://web.archive.org/web/19981205135755/http://www.avm.de/deutsch/aktivt.htm +
Product.inthttp://web.archive.org/web/19981207031035/http://www.avm.de/english/aktivt_e.htm +
RAM-ChipsProperty:MT4C16256DJ-7 + and Property:GM71C4270AJ70 +
RS422-DSUB9true +
Release-Note.dehttp://web.archive.org/web/19990210071554/http://www.avm.de/deutsch/r0797-3.htm +, http://web.archive.org/web/19990302041455/http://www.avm.de/deutsch/r0397-1.htm + and http://web.archive.org/web/19990302055600/http://www.avm.de/deutsch/r0397-4.htm +
S3M-DSUB9true +
Salesdead +
SoCT400 +
SoC-ChipsProperty:IMST400-X20I + and Property:IMST425-G25S +
SoC2T425 +
SoCs2 +
SoCs21 +
Sort-Index99.4 +
Supporteos +
Trafo-ChipsProperty:L4097-X012-80 + and Property:UT21712 +
Unsupported20001757 + and 20001768 +
VendorProperty:AVM +
Websites6 +