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Nokia EKSOS BRI UK0 Line Card (T35111.22)

This is the line interface card for 16 digital ISDN BRI Uk0 (4B3T) subscriber lines within the Nokie EKSOS system.

PCB photos

eksos_uk0_top.jpg eksos_uk0_bot.jpg

Connectors

Name Designator Type Description
TRIB 1-16 - Euroconnector C/1 Subscriber lines 1..16

Main circuits

Line interface for each BRI / Uk0

  • 4x Quad IEC consisting of two chips:
    • PEF24901H DFE-T V1.2
      • Quad ISDN 4B3T Echocanceller Digital Front End
      • Data Sheet: PEF24901.pdf
    • PEB24902H AFE V2.1
      • Quad ISDN Echocancellation Circuit Analoge Front End
      • Data Sheet: PEB24902.pdf
  • 16x PEB2026T-S IHPC V1.1
    • ISDN High Voltage Power Controller
    • Data Sheet: PEB2026.pdf

Core Logic

  • 1x NEC UPD97313GD
  • 2x Sharp LH28F160S3HT-S4 Flash
  • 1x Samsung K4F151612D-TC60 SDRAM
  • 1x Motorola MC68MH360A125VL QUICC32 CPU/Controller

Updated by laforge 15 days ago · 4 revisions

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