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What are types of WSS?
- Liquid crystal
- Liquid crystal on silicon
- Micro electro mechanical system
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What are number of channels supported by WDM?
- In CWDM , up to 18 channel
- In DWDM more than 120 channel
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What’s difference between booster and pre amplifier?
- Booster used with Tx side
- Pre amplifier used with Rx side
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Which types of optical modules support high capacity?
- CFP & CXP , CFP 4&CFP 8 as an example
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What are main types of amplifiers in WDM?
- EDFA
- Raman
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Which spectrum range used with DWDM?
- C band
- L band
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What are functions of spectrum analyzer boards?
- Measure OSNR
- Measure central wavelength
- Measure optical power in ports
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What’s average range of Rx. sensitivity for OSC boards?
- -40 / -48 dbm
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What are commons types of dispersion?
- Chromatic dispersion
- Polarization mode dispersion
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What are types of FOADM?
- Serial FOADM
- Parallel FOADM
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In which scenario preferably to use ASON?
- Mesh topology with multiple routes
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What is common modulation types used with WDM?
- DQPSK
- ePDM Qpsk
- 16 QAM
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Which types of fiber standards preferd to be used with DWDM to avoid four wave mixing?
- G652
- G655
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