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Eumex 400

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Eumex 400-Bild5.jpg
Eumex 400
Eumex 400-Bild4.jpg
Eumex 400


The Eumex 400 is an USB ISDN card with buitin PBX telephone system, a derivative of the FRITZ!X USB. A variant using the same hardware with slightly different casing is the Eumex 5520PC.


Daily updated index of all Eumex 400 websites. Last update: 2020-09-24 03:01 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 Eumex 400 downloads. Last update: 2020-09-24 03:55 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 Eumex 400 part numbers. Last update: 2020-09-24 03:31 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 >> Eumex 400   -   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 >> Eumex 400   -   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.

Photos of the PCB could be found here and here.


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


Top side:

Back side:


Details about the Eumex 400 casing:


Selectors >> Components-Selector >> Eumex 400   -   Chips may occur multiple times if different types were found in probes.

Cat. Qty. Component Purpose Family Coden. Vendor Description
RAM 1x IS41LV16256-35T DRAM D-512K ISSI DRAM 35ns with EDO Page Mode, 256K x 16bit = 512KB
Flash 1x MX29LV400TTC-70 NOR-Flash NOR-512K Macronix NOR-Flash 70ns, 512K x 8bit / 256K x 16bit = 512KB, 3V only
FON 1x UBIK-2 FON-CODEC UBIK2 AVM 24.6 MHz ARM based ASIC by AVM running Nucleus Plus
FON 4x BCP53−16 FON-PHY AH-16 ON Semi 1.5A PNP Power Transistor - avail. from many companies
FON 4x LM324 FON-PHY L324 TI General Purpose Quad OpAmp - avail. from many companies.

TODO: Property:MX29LV400TTC-70 OR Property:IS41LV16256-35T OR Property:UBIK-2 OR Property:LM324 OR Property:BCP53−16 OR Property:isdn

The codename of the firmware running on UBIK-2 is ALADIN4.