In terms of functionality, WDM boards are categorized into the following types.
Types of WDM boards:
- Optical transponder board (OTU), including LWF, LQG and other boards.
- Multiplexer and demultiplexer board, including M40, D40 and other boards.
- Optical add and drop multiplexing board, including MR2 and other boards.
- Tributary and line board, including NS2 and other boards.
- Optical amplifier board, including OAU1, OBU1 and other boards.
- Optical supervisory channel board, including SC1, SC2 and other boards.
- Protection board, including OLP, DCP and other boards.
- Spectrum analysis board, including MCA4, MCA8 OPM8 and other boards.
- Variable optical attenuation board, including VA1, VA4 and other boards.
- Wavelength management unit, including the WMU and other boards.
- Dispersion compensation board: including DCU and other boards.
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