Network Router User Manual

7-7
Cisco ONS 15530 Configuration Guide and Command Reference
78-14227-01, Cisco IOS Release 12.1(10)EV2
Chapter 7 Configuring APS
About Client Based Line Card Protection
About Client Based Line Card Protection
In client protection mode, both signals are transmitted to the client system. The client system decides
which signal to use and when to switch over.
Note Client protection does not require APS configuration on the Cisco ONS 15530.
Figure 7-3 shows an example of line card protection using transponder line cards.
Figure 7-3 Client Based Line Card Protection Using Transponder Line Cards
OADM
modules
West
East
SRC
LRC
Client optics
ITU optics
Performance
monitor
CPU
LRC
LRC
LRCLRC
OSC
OSC
Redundant
CPU switch
modules
Optical
fiber
connection
Electrical
backplane
connection
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79306
Client
device
Transponder
line cards