The 8CH Mux Demux is a high-density, low-loss, and suitable for long-haul transmission passive DWDM device based on TFF (Thin Film Filter). This unit can be combined with CWDM/DWDM modules, OADMs and MTP cassettes in 1U FHD® enclosures to save data center cabinet space. In accordance with the ITU-T, it maximizes the capacity of the C-band range.
In conjunction with the FS transponders and amplifiers, etc., this Mux Demux supports a wide range of architectures from simple point-to-point to amplified ring configurations. With these features, all of our mux/demux products are 100% compliant and provide a cost effective solution for your network upgrade needs and suitable to be used in various applications, such asmetropolitan area networks and high-speed communication lines.
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![8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module This picture is about FHD-D82128EM3 DWDM Mux Overall Introduction.](https://resource.fs.com/images/20230301142612f65k5n.jpg)
![8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module This picture is about .](https://resource.fs.com/mall/mainImg/60x60/20230724121148jbfaht.jpg)
![8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module This picture is about 126899主多图3.](https://resource.fs.com/mall/mainImg/60x60/20240511122633raugj4.jpg)
![8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module This picture is about 126899主多图1.](https://resource.fs.com/mall/mainImg/60x60/20240511122616rzqcyh.jpg)
![8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module This picture is about 126899主多图.](https://resource.fs.com/mall/mainImg/60x60/20240511122608hv1uob.jpg)
![8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module This picture is about 126899主多图2.](https://resource.fs.com/mall/mainImg/60x60/20240511122625ngfjdk.jpg)
8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module
8 Channels DWDM Mux Demux, 100GHz C21-C28, with Monitor, Expansion and 1310nm Port, 2.4dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD® Plug-in Module
Non-adjacent ≥ 40dB
Storage -40 to 85°C (-40 to 185°F)
*FHD is a registered trademark of FS.COM Ltd.
![](https://resource.fs.com/mall/fs_scene_images/20240329183851udbgqt.jpg)
The C21-C28 channel port for ITU grid DWDM traffic, EXP port for service expansion, MON port for optical performance monitoring.
Expansion port & 1310nm port make additional channels can be seamlessly added to increase capacity.
Instead of using multiple fibers for each service, a single fiber can be shared for multiple different data or services in WDM network. It maximizes the usefulness of fiber and generates substantial savings.
Usually, at a split of 1% (2%, 3%, 5% optional), the monitor port offers flexible monitoring ways to test the power, wavelength and OSNR of the optical signal without service interruption.
Wavelength | 8 Channels C21-C28 | 8 Channels C29-C36 | 8 Channels RX-C21~C35, TX-C22~C36 | 8 Channels RX-C22~C36, TX-C21~C35 | 8 Channels C53-C60 |
Insertion Loss | ≤ 3.1dB, 2.4dB Typical | ≤ 2.8dB, 2.4dB Typical | ≤ 4.6dB, 4.2dB Typical | ≤ 4.6dB, 4.2dB Typical | ≤3.3dB, 3.0dB Typical |
Channel Spacing | 100GHz (0.8nm) | 100GHz (0.8nm) | 100GHz (0.8nm) | 100GHz (0.8nm) | 100GHz (0.8nm) |
Channel Isolation | Adjacent ≥ 30dB Non-adjacent ≥ 40dB | Adjacent ≥30dB Non-adjacent ≥ 40dB | Adjacent ≥ 30dB Non-Adjacent ≥ 40dB | Adjacent ≥ 30dB Non-Adjacent ≥ 40dB | Adjacent ≥ 30dB Non-adjacent ≥ 40dB |
Return Loss | ≥ 45dB | ≥45dB | ≥ 45dB | ≥ 45dB | ≥ 45dB |
Special Service | Monitor, Expansion, 1310nm Port | Monitor, Expansion Port | Expansion Port | Expansion Port | Monitor, Expansion, 1310nm Port |
Technology Type | TFF (Thin Film Filter) | TFF (Thin Film Filter) | TFF (Thin Film Filter) | TFF (Thin Film Filter) | TFF (Thin Film Filter) |
Property | Passive | Passive | Passive | Passive | Passive |
Monitoring Type | OPD/OPM | OPD/OPM | — | — | OPD/OPM |
Power Handling | ≤ 500mW | ≤ 500mW | ≤ 500mW | ≤ 500mW | ≤ 500mW |
Housing | FHD® Plug-in Module | FMU Plug-in Module | FMU Plug-in Module | FMU Plug-in Module | FMU Plug-in Module |
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