Power Monitoring - Cisco ONS 15454 DWDM Installation And Operation Manual

Chapter 16 Card Reference
Figure 16-37
COM RX
COM TX
Figure 16-38
Figure 16-38
V
P

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
Photodiode
P1
P2
P3
April 2006
AD-1C-xx.x Block Diagram
FPGA
For SCL Bus
management
SCL Bus SCL Bus
TCC M TCC P
shows the AD-1C-xx.x optical module functional block diagram.
AD-1C-xx.x Optical Module Functional Block Diagram
COM
COM
Virtual photodiode
Physical photodiode
Variable optical attenuator
AD-1C-xx.x Port Calibration
CTC Type Name
ADD
DROP
IN EXP
Add Rx Drop Tx
Optical
Module
uP8260 DC/DC
processor converter
Control
V1
P5
RX
P1
P2
V2
TX
TX RX
Channel 15xx.xx
Calibrated to Port
COM TX
DROP TX
EXP RX
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
16.7.1 AD-1C-xx.x Card
EXP TX
EXP RX
Power supply
Input filters
BAT A&B
Control
interface
EXP
P4
TX
EXP
P3
RX
Table 16-36
16-61