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Introduction:
Wavelength Division Multiplexing (WDM) modules combine (i.e. "mux") and
separate (i.e. "dmux") fiber-optic signals. Three basic schemes exist:
1310/1550 WDM, Coarse WDM (CWDM) and Dense WDM (DWDM). DWDM provides the
greatest capacity per fiber -- potentially hundreds of individual
fiber-optic signals (i.e. channels) can be combined on a single fiber.
Fiberdyne Labs offers DWDM modules in a wide variety of formats. While
Fiberdyne offers some models as "standard," we will also produce
customized DWDM modules. Customization can include the number and
selection of DWDM channels. Additionally, modules may include
tap/monitoring capability and variable attenuation. These modules may be
a number of standard form factors, such as LGX, FCH (Corning CCH
compatble), ADC (Package A), and EIA-standard 19/23-inch rackmount.
DWDM is a proven technology, which offers flat channel bandwidth,
flexible channel configuration, low insertion loss and high isolation.
Fiberdyne Labs modules can be optically daisy-chained, to provide
additional channels as bandwidth needs grow. Modules are available on
the C &: L bands, ITU 100GHz grid at channel spacing of 100GHz or 200GHz.
Features:
- Epoxy-Free Optical Path
- Low Insertion Loss
- High Return Loss
- ITU Standard Channels
Applications:
- Telecommunications
- Local Area Networks
- CATV Fiber Optic Links
Conceptual Usage:
The schematic below shows how a DWDM module, with attenuation and
splitter/tap, may operate. This configuration includes an "Upgrade"
port. For future expansion, the upgrade port is connected to new
modules, adding new channels to an existing link. This can be done
without interruption of the existing links.
Options:
- Number of channels: 1 - 40 channels in one module
- Single or multi-fiber solutions available
- Single-fiber: transmit and receive signals on one fiber
- Dual-fiber: transmit and receive signals on separate fibers
- 100-GHz or 200-GHz channel spacing
- Module formats compatoible with LGX, CCH, ADC, 19/23-inch rackmount
- Connectors: FC, LC, SC, ST, MT-RJ
- Customization available:
- Additional filter options available, such as "Red/Blue" mux/demux
filtering
- Unique channel selections or spacings (i.e. skip channel numbers)
- Cisco-compatible modules - mimic the function of Cisco 15216-series
modules
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