2-6
Cisco ONS 15200 Product Description
78-13766-01
Chapter2 Product Configurations
Network Protection
Figure2-6 Four ONS 15252 MCUs in a full-mesh configuration
2.2 Network Protection
Release 1.1 provides the Forward Defect Indication (FDI) switch (f d i_s w itch ) , wh ich ca n b e en ab led or
disabled. When fdi_switch is enabled, the FDI alarm causes the traffic to switch p aths . A CLIP recei ve s
the FDI alarm if and only if its companion CLIP loses its client-side input signal. The severity of the FDI
alarm is minor.
ONS 15252
LEGEND
ONS - Optical network system
PHYSICAL
CONNECTION
LOGICAL CONNECTIONS
54646
ONS 15252
ONS 15252
ONS 15252