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Cisco ONS 15454 DWDM
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16-57
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
April 2006
Chapter 16 Card Reference
16.6.4 4MD-xx.x Card
Figure 16-34 shows a block diagram of the 4MD-xx.x card.
Figure 16-34 4MD-xx.x Block Diagram
Figure 16-35 shows the 4MD-xx.x optical module functional block diagram.
Figure 16-35 4MD-xx.x Optical Module Functional Block Diagram
The optical module shown in Figure 16-35 is optically passive and consists of a cascade of interferential
filters that perform the channel multiplexing and demultiplexing functions.
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