Review Questions
| 1: | Differentiate between CWDM and DWDM. |
| 2: | Explain the design procedure of a CWDM network. |
| 3: | Why don't we use amplifiers in a CWDM network? |
| 4: | Discuss the implications of CWDM to the first mile. |
| 5: | How is CWDM a first mile solution for enterprises? |
| 6: | Discuss CWDM filter and transponder characteristics. |
| 7: | Explain the term restoration in CWDM networks. |
| 8: | Differentiate between 1:1 and 1+1 protection in CWDM networks. |
| 9: | Numeric: For an 8-channel CWDM ring network of radius 7 km, calculate the minimum and maximum input signal power if the ring is unidirectional; there are 8 nodes and each node is equidistant. The nodes have a passthrough loss of 2 dB and an add/drop loss of 4 dB. Receiver sensitivity is 28 dB, and fiber has a 0.2 dB/km loss. ... |
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