Power Monitoring - Cisco ONS 15454 DWDM Installation And Operation Manual

16.7.4 AD-1B-xx.x Card
Figure 16-46
COM RX
COM TX
Figure 16-47
Figure 16-47
V
P

16.7.4.1 Power Monitoring

Physical photodiodes P1 through P4, and virtual photodiodes V1 and V2 monitor the power for the
AD-1B-xx.x card. The returned power level values are calibrated to the ports as shown in
Table 16-44
Photodiode
P1
P2
P3
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
16-72
AD-1B-xx.x Block Diagram
FPGA
For SCL Bus
management
SCL Bus SCL Bus
TCC M TCC P
shows the AD-1B-xx.x optical module functional block diagram.
AD-1B-xx.x Optical Module Functional Block Diagram
COM
RX
COM
TX
Virtual photodiode
Physical photodiode
Physical photodiode
AD-1B-xx.x Port Calibration
CTC Type Name
ADD
DROP
IN EXP
Band xx.x Band xx.x
Rx Tx
Optical
Module
uP8260 DC/DC
processor converter
Control
P5 P4
V1
P3
V2 P2 P1
TX RX
Band xx.x
Calibrated to Port
BAND RX
BAND TX
EXP RX
Chapter 16 Card Reference
EXP TX
EXP RX
Power supply
Input filters
BAT A&B
Control
interface
EXP
TX
EXP
RX
Table 16-44.
April 2006