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laforge, 09/10/2022 01:21 PM
Nokia EKSOS Node Control Unit (NCU) 120 Ohms (T35010.11)¶
connectors¶
| Label |
Designation (PCB) |
Type |
Description |
| 4x 2M |
NR1 |
Euroconnector C/2 (Harting 09232486821?) |
E1 links of V5 interface |
| SR |
J5/J11 |
RJ45 |
Sync In |
| TR |
J6/J12 |
RJ45 |
Sync Out |
| Q1/AUX |
J7 |
RJ45 |
? |
| Q1/AUX |
J7 |
RJ45 |
? |
| ALRM |
J7 |
RJ45 |
External Supervision |
| Q3 |
J7 |
RJ45 |
Q3 (Eth/802.2LLC/ISO/OSI) 10Base-T |
| Q3 |
J1 |
BNC |
Q3 (Eth/802.2LLC/ISO/OSI) 10Base-2 |
SR / SYNC IN¶
| Signal |
Pin |
Description |
| SYN R1A |
4 |
Synchronisation receive |
| SYN R1B |
5 |
Synchronisation receive |
ST / SYNC OUT¶
| Signal |
Pin |
Description |
| SYN T1A |
1 |
Synchronisation transmit |
| SYN T1B |
2 |
Synchronisation transmit |
Q1/AUX¶
| Signal |
Pin |
Description |
| Q1OCL+ |
1 |
Q1 output clock positive, idle state +5V |
| Q1OCL- |
2 |
Q1 output clock nevative, idle state +0V |
| Q1OUT+ |
3 |
Q1 bus output positive V.11 signal, idle state +5V |
| Q1IN+ |
4 |
Q1 bus input positive V.11 signal, idle state +5V |
| Q1IN- |
5 |
Q1 bus input negative V.11 signal, idle state 0V |
| Q1OUT- |
6 |
Q1 bus output negative V.11 signal, idle state 0V |
| Q1ICL+ |
7 |
Q1 input clock positive, idle state +5V |
| Q1ICL- |
8 |
Q1 input clock negative, idle state +0V |
ALARM¶
| Signal |
Pin |
Description |
| PAI1 |
1 |
External Alarm Input 1 |
| PAI2 |
2 |
External Alarm Input 2 |
| PAI3 |
3 |
External Alarm Input 3 |
| PAIO1 |
4 |
External Alarm Input/Output 1 |
| PAIO2 |
5 |
External Alarm Input/Output 2 |
| IAV1 |
6 |
Analog Voltage Measurement Point 1 |
| IAV2 |
7 |
Analog Voltage Measurement Point 2 |
| GND |
8 |
Ground |
Main components¶
- 1x Motorola MC68MH360A125VL CPU/Controller
- 6x Sharp LH28F160S3HNS-S5 16Mbit Flash
- 4x Samsung K4F151612D-TC6 1Mx16bit CMOS DRAM
E1 Interface for V5¶
- 1x Exar XRT5897IV
- 7-channel E1 line interface
- Data Sheet: XRT5897.pdf
- 4 interfaces exposed on 4x2M header
- 1 intrface exposed on SR / ST (separate RX and TX?) RJ45
Q3 Ethernet 10-Base-2 Interface¶
Q1 Aux ALRM Q3 Interfaces¶
- 2x DS36954 quad RS-485 transceiver
- 1x MAX3223 RS232 transceiver
Backplane interface¶
- LSI Logic LSA9360 BABYLON
- NEC uPD65842 CMOS GATE ARRAY
Updated by laforge almost 2 years ago
· 14 revisions
