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OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
Relevant Task
If the services are configured incorrectly and thus need to be deleted, see Deleting SDH Services.
3.7 Configuring the Two-Fiber Bidirectional MSP Services
To configure the two-fiber bidirectional MSP services, you need to create the MSP subnet
protection and MSP services separately. There is no requirement for the configuration sequence.
3.7.1 Networking Diagram
The networking diagram of a single two-fiber bidirectional MSP ring is simple. When you
construct the network, follow a certain order to create and name the NEs and ensure that the
traffic flows in a proper direction. This helps when you plan the traffic directions and configure
services in future.
3.7.2 Signal Flow and Timeslot Allocation
To configure the two-fiber bidirectional MSP service on a ring network, configure the services
that need to be added to the ring network on the source NE, to pass through the intermediate
nodes, and to be dropped from the sink NE, if the MSP protection subnet is already created. In
the case of the ring network, more than one route is available from the source NE to the sink
NE. In actual application scenarios, not all the routes need to be configured. Hence, you need
to properly plan and configure the service directions and timeslots before the configuration.
3.7.3 Per-NE Configuration Process
The configuration of the two-fiber bidirectional MSP services is independent of the configuration
of the protection subnet. To configure the two-fiber bidirectional MSP service, if the protection
subnet is configured, configure the SDH services from the tributary board to the line board on
the source and sink NEs and configure the pass-through services on the intermediate NEs.
3.7.4 End-to-End Configuration Process
The configuration of two-fiber bidirectional MSP services is independent of the configuration
of a protection subnet. To configure two-fiber bidirectional MSP services, configure SDH
services from the tributary board to the line board on the source and sink NEs and configure
pass-through services on the intermediate NEs if a protection subnet has already been configured.
The following part describes how to configure two-fiber bidirectional MSP services in end-to-
end mode.
3.7.1 Networking Diagram
The networking diagram of a single two-fiber bidirectional MSP ring is simple. When you
construct the network, follow a certain order to create and name the NEs and ensure that the
traffic flows in a proper direction. This helps when you plan the traffic directions and configure
services in future.
Figure 3-11
pieces of OptiX OSN equipment. In this example, the SP3D boards are configured on the source
NE (NE1) and the sink NE (NE3) as tributary boards to add and drop services, and the SL4D
boards are used as line boards to transmit SDH services.
Issue 02 (2011-06-30)
shows the networking of the two-fiber bidirectional MSP ring that comprises four
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3 Configuring SDH Services
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