Nokia EKSOS Line Measurement Unit » History » Version 5
laforge, 09/14/2022 11:01 AM
| 1 | 1 | laforge | h1. Nokia EKSOS Line Measurement Unit (T35140.01) |
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| 3 | 4 | laforge | The optional Line Measurement Unit (LMU) makes it possible to test the condition of copper access lines remotely. It operates in conjunction with the test |
| 4 | access relays in the interface units. Also, additional alarm inputs and outputs are available through the LMU. |
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| 6 | The LMU supports the following features: |
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| 7 | * scheduled tests |
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| 8 | * line tests for PSTN and ISDN |
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| 9 | * high-accuracy measurement of line parameters such as capacitance, foreign voltage and leakage resistance |
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| 10 | * external test access (for testing the lines using external test equipment) |
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| 11 | * cable-pair identification-tone test for all line types |
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| 12 | * dry loop test |
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| 13 | * external alarm inputs (digital and analog) and outputs (digital). |
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| 15 | 5 | laforge | h2. Photos |
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| 17 | {{thumbnail(eksos_lmu_top.jpg)}} |
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| 18 | {{thumbnail(eksos_lmu_bot.jpg)}} |
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| 20 | 1 | laforge | h2. Connectors |
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| 22 | |_.Name|_.Designator|_.Type|_.Description| |
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| 23 | |AUX|J8|RJ45|| |
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| 24 | |ALRM|J9|RJ45|| |
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| 25 | |EXT|J10|RJ45|| |
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| 26 | |||
| 27 | h2. Main Circuits |
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| 28 | |||
| 29 | h3. Main Processor |
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| 30 | |||
| 31 | 2 | laforge | * MC68MH360AI25VL QUICC32 CPU / Controller |
| 32 | ** User Manual: attachment:MC68360UM.pdf |
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| 33 | ** Tutorial: attachment:MC68360TUT.pdf |
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| 34 | ** QMC Supplement: attachment:MC68MH360UM.pdf |
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| 35 | 3 | laforge | ** Errata: attachment:MC68360UMAD.pdf |
| 36 | 2 | laforge | * 6x SHARP LH28F160S3HNS-S5 16Mbit Flash |
| 37 | ** Data sheet: attachment:LH28F160S3HNS.pdf |
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| 38 | * 4x Samsung K4F151612D-TC60 1Mx16bit CMOS DRAM |
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| 39 | ** Data sheet: attachment:K4F151612D.pdf |
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| 40 | 1 | laforge | |
| 41 | h3. Backplane interface |
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| 42 | |||
| 43 | h3. DSP / ADC / DAC |
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| 44 | |||
| 45 | * TI TMS320LC548PGE-66 fixed-point DSP |
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| 46 | ** Data sheet: attachment:TMS320LC548.pdf |
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| 47 | * 2x ADI ADG408BR 8:1 Analog Multiplexer |
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| 48 | ** Data sheet: attachment:ADG408.pdf |
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| 49 | * 2x ADI AD822 rail-to-rail op-amp |
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| 50 | ** Data sheet: attachment:AD822.pdf |
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| 51 | * 2x Infineon PEB4065T V4.0 HV-SLIC |
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| 52 | ** High Voltage Subscriber Line IC |
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| 53 | * 1x AD7863AR-10 quad-input dual 175kSPS 14-bit SAR ADC |
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| 54 | ** Data sheet: attachment:AD7863.pdf |
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| 55 | * 1x AD8801 octal 8-bit TrimDAC |
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| 56 | ** Data sheet: attachment:AD8801.pdf |
