Nokia EKSOS BRI UK0 Line Card » History » Revision 4
Revision 3 (laforge, 09/10/2022 07:14 AM) → Revision 4/5 (laforge, 09/14/2022 11:00 AM)
h1. 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.
h2. PCB photos
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h2. Connectors
|_.Name|_.Designator|_.Type|_.Description|
|TRIB 1-16|-|Euroconnector C/1|Subscriber lines 1..16|
h2. Main circuits
h3. 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: attachment:PEF24901.pdf
** PEB24902H AFE V2.1
*** Quad ISDN Echocancellation Circuit Analoge Front End
*** Data Sheet: attachment:PEB24902.pdf
* 16x PEB2026T-S IHPC V1.1
** ISDN High Voltage Power Controller
** Data Sheet: attachment:PEB2026.pdf
h3. Core Logic
* 1x NEC UPD97313GD
* 2x Sharp LH28F160S3HT-S4 Flash
* 1x Samsung K4F151612D-TC60 SDRAM
* 1x Motorola MC68MH360A125VL QUICC32 CPU/Controller