Figure - Cisco ONS 15454 DWDM Installation And Operation Manual

Chapter 16 Card Reference

Figure 16-34

Figure 16-34
COM RX
COM TX
Figure 16-35
Figure 16-35 4MD-xx.x Optical Module Functional Block Diagram
COM TX
Mux
P1 P2
RX channels
V Virtual photodiode
Physical photodiode
P
Variable optical attenuator
The optical module shown in
filters that perform the channel multiplexing and demultiplexing functions.
April 2006
shows a block diagram of the 4MD-xx.x card.
4MD-xx.x Block Diagram
FPGA
For SCL Bus
management
SCL Bus SCL Bus
TCC M TCC P
shows the 4MD-xx.x optical module functional block diagram.
V1
P3 P3
Figure 16-35
Optical
Module
DC/DC
Processor
converter
COM RX
Demux
V2
P5 P6 P7
TX channels
is optically passive and consists of a cascade of interferential
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
16.6.4 4MD-xx.x Card
Channel
Outputs
Channel
Inputs
Power supply
input filters
BAT A&B
Control
Control
interface
P8
16-57