Cisco ONS 15454 DWDM - Figure 6-18 AD-4 B-XX.X Faceplate

6-24
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 6 Optical Add/Drop Cards
6.7 AD-4B-xx.x Card
• Output power of each dropped band is set by changing the attenuation of each VOA drop.
• The VOA express is used to regulate the insertion loss of the express path.
• VOA settings and functions, photodiode detection, and alarm thresholds are internally controlled.
• Virtual photodiode (firmware calculation of port optical power) at the common DWDM output port
are monitored within the software.
Figure 6-18 shows the AD-4B-xx.x faceplate.
Figure 6-18 AD-4B-xx.x Faceplate
For information on safety labels for the card, see the “6.2 Class 1M Laser Product Safety Lasers”
section on page 6-7.
Figure 6-19 shows a block diagram of the AD-4B-xx.x card.
AD-4B
-X.XX
FAIL
ACT
SF
RX
XX.X
TX
RX
XX.X
TX
RX
XX.X
TX
RX
XX.X
TX
RX
EXP
TX
RX
COM
TX
96472