Cisco ONS 15200 - Manual (Page 22)

2-2
Cisco ONS 15200 Product Description
78-13766-01
Chapter 2 Product Configurations
ONS 15200 Network Configurations
Figure 2-1 An ONS 15200 bus configuration linking an ONS 15252 MCU to eight ONS 15201 SCUs
2.1.2 Ring Configuration
In the ONS 15200 ring configuration, wavelength channels exist between an ONS 15252 MCU and
several ONS 15201 SCUs. A CLIP module installed in the ONS 15252 MCU exchanges data with an
associated CLIP module installed in an ONS 15201 SCU.
You can install the ring configuration with or without fiber-optic protection. The ring configuration
supports SONET or SDH ring protection and 1+1 APS client-layer protection.You can also arrange the
ring configuration to use layer-3 load sharing.
Figure 2-2 illustrates the ring configuration with hubbed
traffic.
Note The physical connection in Figure 2-2 consists of two fiber-optic cables.
Figure 2-2 Ring configuration with hubbed traffic
Client CLIENT
Client CLIENT
ONS 15252
ONS 15201
ONS 15201
ONS 15201 ONS 15201 ONS 15201 ONS 15201 ONS 15201
ONS 15201
LEGEND
ONS - Optical network system
LOGICAL CONNECTION
PHYSICAL
CONNECTION
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ONS 15252
ONS 15201 ONS 15201
ONS 15201 ONS 15201 ONS 15201 ONS 15201 ONS 15201 ONS 15201
LEGEND
ONS - Optical network system
PHYSICAL
CONNECTION
LOGICAL CONNECTIONS
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