Lucent Technologies FT-2000 OC-48 - 2-Fiber Ring Protection Switching Architecture

Maintenance Description
9-32 Issue 8.0 July 2002
eight STS-3 tributaries not carrying service on each OC-48 high-speed line are
the protection STS-3 tributaries. The protection STS-3 tributaries on OC-48
high-speed line 1W are used to protect the service STS-3 tributaries on OC-48
high-speed line 1E, and the protection STS-3 tributaries on OC-48 high-speed line
1E are used to protect the service STS-3 tributaries on high-speed line 1W.
Table 9-4 shows the mapping between the service STS-3 tributaries and their
protection STS-3 tributaries.
2-Fiber Ring Protection Switching Architecture 9
Figure 9-5 shows the 2-fiber ring protection switching architecture of the FT-2000
OC-48 Add/Drop-Rings Terminal.
Table 9-4. 2-Fiber Ring Tributary Mapping
Service STS-3 Tributary Protection STS-3 Tributary
19
210
311
412
513
614
715
816