Cisco ONS 15454 DWDM - Power Monitoring

16-61
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
April 2006
Chapter 16 Card Reference
16.7.1 AD-1C-xx.x Card
Figure 16-37 AD-1C-xx.x Block Diagram
Figure 16-38 shows the AD-1C-xx.x optical module functional block diagram.
Figure 16-38 AD-1C-xx.x Optical Module Functional Block Diagram
16.7.1.1 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 16-36
.
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 16-36 AD-1C-xx.x Port Calibration
Photodiode CTC Type Name Calibrated to Port
P1 ADD COM TX
P2 DROP DROP TX
P3 IN EXP EXP RX