Siemens TSU NT 22 O » History » Version 7
laforge, 12/21/2023 04:24 PM
| 1 | 1 | laforge | h1. Siemens TSU NT 22 O |
|---|---|---|---|
| 2 | |||
| 3 | {{thumbnail(20221120_115432.jpg)}} |
||
| 4 | {{thumbnail(20221120_115441.jpg)}} |
||
| 5 | |||
| 6 | 5 | laforge | This is a Optical Line Termination (OLT) for two E1 circuits within the Siemens Fastlink system. |
| 7 | 4 | laforge | |
| 8 | 7 | laforge | It speaks to the ONU via a bi-directional single-mode optical fibre with a supposedly proprietary protocol/framing. It might be the Siemens TCM (Time Compression Multiplex) in which the same wavelength is used in both directions in an alternating manner (similar to the Up0 in the electrical/copper domain). |
| 9 | 4 | laforge | |
| 10 | 3 | laforge | h2. Hardware |
| 11 | 1 | laforge | |
| 12 | {{thumbnail(20221120_115756.jpg)}} |
||
| 13 | {{thumbnail(20221120_115810.jpg)}} |
||
| 14 | {{thumbnail(20221120_115910.jpg)}} |
||
| 15 | {{thumbnail(20221120_115829.jpg)}} |
||
| 16 | {{thumbnail(20221120_115821.jpg)}} |
||
| 17 | 3 | laforge | |
| 18 | 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. |
| 19 | |||
| 20 | 3 | laforge | h2. EEPROM |
| 21 | |||
| 22 | attachment:siemens_tsu_nt22o_p42026-B251-A22-01.bin |
||
| 23 | 4 | laforge | |
| 24 | h2. Literature |
||
| 25 | |||
| 26 | * general marketing flyer about Siemens Fastlink: attachment:siemens_fastlink.pdf |
