Cisco ONS 15454 DWDM - Figure 18-18 System Tilt Compensation with a ROADM

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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 18 Network Reference
18.8.2 System Level Gain Tilt Control
Figure 18-18 System Tilt Compensation With a ROADM
SPAN 1 = 25 dB
DCU
32 WSS
SPAN
2 SPAN 3 SPAN 4
OPT-BST
G
OPT-PRE
> 21dB
Unregulated Tilt
SPAN 1 = 25 dB
OPT-PRE
Tilt Reference = 0Per-channel
Power Equalization
32 WSS
SPAN
2 SPAN 3 SPAN 4
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