Actions
Nokia EKSOS BRI UK0 Line Card » History » Revision 4
« Previous |
Revision 4/5
(diff)
| Next »
laforge, 09/14/2022 11:00 AM
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¶
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
- PEF24901H DFE-T V1.2
- 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 over 1 year ago · 4 revisions