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Siemens TSU NT 22 O¶
This is a Optical Line Termination (OLT) for two E1 circuits within the Siemens Fastlink system.
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:- 1550 nm in the downlink to the NT
- 1300 nm in the uplink direction to the LT
Hardware¶
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.
EEPROM¶
siemens_tsu_nt22o_p42026-B251-A22-01.bin
Literature¶
- general marketing flyer about Siemens Fastlink: siemens_fastlink.pdf
- widelink technical description (German): wlted21d.pdf
Updated by laforge 3 months ago · 9 revisions