
Relevant Task
If the services are configured incorrectly and thus need to be deleted, see Deleting SDH Services.
3.3 Configuring Services on the Non-Protection Ring
Configure the protection subnet and the services on the non-protection ring separately. It is
recommended that you configure the protection subnet before configuring services on the non-
protection ring.
3.3.2 Signal Flow and Timeslot Allocation
3.3.3 Per-NE Configuration Process
3.3.4 End-to-End Configuration Process
3.3.1 Networking Diagram
You can configure a non-protection ring if the services on the ring need not be protected. In this
case, all the timeslots on the ring can carry services.
shows a non-protection ring consisting of four pieces of equipment. In this example,
the SP3D boards are used on the source NE (NE1) and the sink NE (NE3) as tributary boards
to add and drop services, and the SL1D boards are used as line boards to transmit SDH services.
Figure 3-3
Networking diagram of the non-protection ring
NE1
NE2
NE4
NE3
1-SL1D-1
Two-fiber bidirectional
non-protection ring
1-SL1D-2
1-SL1D-1
1-SL1D-2
3-SP3D
3-SP3D
Line board
3-SP3D
Tributary board
1-SL1D-1
NE1:
Line board
1-SL1D-2
Line board
1-SL1D-1
NE2:
Line board
3-SP3D
Tributary board
1-SL1D-2
NE3:
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
3 Configuring SDH Services
Issue 02 (2011-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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