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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:
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
Adjacent channels isolation
>25dB
Non-adjacent channels isolation
>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
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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