Siemens TSU NT 22 O » History » Version 8
laforge, 12/21/2023 04:32 PM
| 1 | 1 | laforge | h1. Siemens TSU NT 22 O |
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| 3 | {{thumbnail(20221120_115432.jpg)}} |
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| 4 | {{thumbnail(20221120_115441.jpg)}} |
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| 6 | 5 | laforge | This is a Optical Line Termination (OLT) for two E1 circuits within the Siemens Fastlink system. |
| 7 | 4 | laforge | |
| 8 | 8 | laforge | It speaks to the ONU via a bi-directional single-mode optical fibre with a supposedly proprietary protocol/framing. There are two wavelengths in use: |
| 9 | * 1550 nm in the downlink to the NT |
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| 10 | * 1300 nm in the uplink direction to the LT |
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| 11 | 4 | laforge | |
| 12 | 3 | laforge | h2. Hardware |
| 13 | 1 | laforge | |
| 14 | {{thumbnail(20221120_115756.jpg)}} |
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| 15 | {{thumbnail(20221120_115810.jpg)}} |
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| 16 | {{thumbnail(20221120_115910.jpg)}} |
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| 17 | {{thumbnail(20221120_115829.jpg)}} |
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| 18 | {{thumbnail(20221120_115821.jpg)}} |
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| 19 | 3 | laforge | |
| 20 | 6 | laforge | As one can see, it actually houses a module in the [[Siemens_FastLink]] form-factor with its two DIN backplane connectors. This likely means the module is (mostly?) identical to the LT side used in the transport network, the LTO/LT module. |
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| 22 | 3 | laforge | h2. EEPROM |
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| 24 | attachment:siemens_tsu_nt22o_p42026-B251-A22-01.bin |
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| 25 | 4 | laforge | |
| 26 | h2. Literature |
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| 27 | |||
| 28 | * general marketing flyer about Siemens Fastlink: attachment:siemens_fastlink.pdf |
