CWDM Design Examples
When designing CWDM networks, we need to know the number of channels required in the network, the distance (node-to-node span distance and total circumference), and the fiber type. From an optical parametric design point, we need to know the power budget (that is, the transmitter power and the receiver sensitivity). In these examples, we do not consider the effects of noise or fiber nonlinearities and they are not necessary to include in CWDM system designs.
Example 1
Corporation ABC wants to connect two sites, 65 km apart, using CWDM. They want to use 1-Gigabit Ethernet connections but want to grow to four or more Gigabit Ethernet connections later. (Use the data sheet for CWDM characteristics that an equipment vendor provides, ...
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