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TFF (Dual Fiber Fixed MUX DEMUX Card)
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Variant Specifications
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The dual fiber MUX / DEMUX board (TFF) launched by D Tech Trading is specially designed for DWDM network applications with multiple wavelengths. It can multiplex different wavelengths of optical onto one optical fiber or separate multiple optical channels multiplexed on the same optical fiber by wavelength. Based on thin film filter (TFF) technology, it works on ITU grid with 100GHz channel spacing. DWDM wavelength range is 1528nm to 1568nm, and ITU channel wavelength is optional. It has a series of advantages such as low insertion loss and high channel isolation.
Application case:
- It is applicable to 4-channel and 8-channel DWDM optical signal MUX and DEMUX in dual fiber transmission
Product Specification:
| Specification | 4 channel | 8 channel |
|---|---|---|
| Function | Support Mux&Deux of 4 DWDM optical signals | Support Mux&Deux of 8 DWDM optical signals |
| Channel number | 4λ@100 GHz (191.4THz~196.1THz, board model as table 1) | 8λ@100 GHz (191.4THz~196.1THz, board model as table 2) |
| Insertion loss | ≤2 dB | ≤3 dB |
| 3dB spectral width | >75GHz | >75GHz |
| Adjacent channels isolation | >25dB | >25dB |
| Non-adjacent channels isolation | >35dB | >35dB |
| Slot number | 1 slot | |
| Power monitoring | Support optical power monitoring of mux port (SIG) | |
| Indicator light | Support optical power indicator light of mux port (SIG) | |
| Extended function | Support extended cascading, and use EXP port for docking during cascading |
Table 1: dual fiber 4-channel fixed mux demux board
| Card model | Port Range | Center Frequency (THz) |
|---|---|---|
| TFF5659 | A56/D56~A59/D59 | 195.60~195.90 |
| TFF5255 | A52/D52~A55/D55 | 195.20~195.50 |
| TFF4750 | A47/D47~A50/D50 | 194.70~195.00 |
| TFF4346 | A43/D43~A46/D46 | 194.30~194.60 |
| TFF3841 | A38/D38~A41/D41 | 193.80~194.10 |
| TFF3437 | A34/D34~A37/D37 | 193.40~193.70 |
| TFF2932 | A29/D29~A32/D32 | 192.90~193.20 |
| TFF2528 | A25/D25~A28/D28 | 192.50~192.80 |
| TFF2023 | A20/D20~A23/D23 | 192.00~192.30 |
| TFF1619 | A16/D16~A19/D19 | 191.60~191.90 |
Table 2: dual fiber 8-channel fixed mux demux board
| Card model | Port Range | Center Frequency (THz) |
|---|---|---|
| TFF5360 | A53/D53~A60/D60 | 195.30~196.00 |
| TFF4552 | A45/D45~A52/D52 | 194.50~195.20 |
| TFF3744 | A37/D37~A44/D44 | 193.70~194.40 |
| TFF2936 | A29/D29~A36/D36 | 192.90~193.60 |
| TFF2128 | A21/D21~A28/D28 | 192.10~192.80 |
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