Sphairon NT1PLUS-ARCOR2 (DSL-ISDN-Multifunktionsgerät)

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Inhaltsverzeichnis

Summary

The device's hardware is horribly outdated and hence not worth keeping.

OpenWRT

Since there's no SoC, but only a MCU is installed, it is technically not possible to boot Linux/OpenWRT.

Salvaging

Only the Cypress SRAM IC might be interesting to salvage for MCU or FPGA tinkering.

Hardware

MX S082315
IC401
953489
S2.17
2X701200A2

ISDN

  • Infineon PEB2365F V1.5
    • ISDN controller(?)
  • 2x Infineon PEF4264V V2.1
    • ISDN transceiver(?)
  • VAC S4 5026X100 W8
    • Transformer(?)

ADSL

  • Infineon PEF82902
    • ADSL controller(?)
  • Vogt W6 6472
    • Transformer(?)
  • Vogt W7 710-05-607-00
    • Transformer(?)
  • Vogt W8 952460
    • Transformer

Power supply

  • Onboard 230VAC supply unit

UART

Unlabeled 4-pin connector located in the middle on the left corner of the board, close to the Vogt W6 transformer.

Pin assignment from top to bottom:

  • 3V3
  • TX (from MCU)
  • RX (to MCU)
  • GND

Setting:

  • 115200, 8S1
  • Not sure about the space parity, parity none didn't work so good
  • Tried several different settings, but with all of them many incorrect characters were received

Bootlog

Manually corrected bootlog:


 Enviroment: Bootmanager for NT1+ with ST10
 Version:    1.00
 Date:       Oct 26 2004
 Time:       12:51:12
 Producer:   Sphairon Access Systems GmbH
 Checksum:   D3/D3

---------------------- Boot Record Structure ---------------------------------
Active Code Location: bottom image
Bottom Image:         Type: Code,   State: active,   Crashs:  0, CS8: 20
Top    Image:         Type: Samples,                            CS8: 20
---------------------------------------------------------------------
Starting bottom image ...

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