Cisco ONS 15454 DWDM - Figure 6-7 AD-1 C-XX.X Block Diagram; Figure 6-8 AD-1 C-XX.X Optical Module Functional Block Diagram; Power Monitoring

6-11
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 6 Optical Add/Drop Cards
6.3.1 Power Monitoring
Figure 6-7 AD-1C-xx.x Block Diagram
Figure 6-8 shows the AD-1C-xx.x optical module functional block diagram.
Figure 6-8 AD-1C-xx.x Optical Module Functional Block Diagram
6.3.1 Power Monitoring
Physical photodiodes P1 through P4 and virtual photodiodes V1 and V2 monitor the power for the
AD-1C-xx.x card. The returned power level values are calibrated to the ports as shown in Table 6-7.
Optical
Module
COM RX
COM TX
124074
uP8260
processor
DC/DC
converter
EXP TX
EXP RX
FPGA
For SCL Bus
management
SCL Bus
TCC M
SCL Bus
TCC P
Power supply
Input filters
BAT A&B
Add Rx Drop Tx
98304
Control
Control
interface
Virtual photodiode
COM
RX
EXP
RX
EXP
TX
TX
Channel 15xx.xx
RX
Physical photodiode
Variable optical attenuator
V1
P
COM
TX
P1
P3
P4P5
P2
V2
V
Table 6-7 AD-1C-xx.x Port Calibration
Photodiode CTC Type Name Calibrated to Port
P1 ADD DROP RX
P2 DROP DROP TX