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Cisco ONS 15454 SONET/SDH Multiservice Provisioning Platform

The Cisco ONS 15454 is the first in its class to consolidate SONET/SDH dense WDM (DWDM) transmission Layer 2 and Layer 3 packet-processing functions and storage area network (SAN) transport with the intelligence of an IP-based management plane in a single cost-effective platform

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Chapter 12 SONET Topologies and Upgrades

This chapter explains Cisco ONS 15454 SONET topologies and upgrades To provision topologies refer to the Cisco ONS 15454 Procedure Guide Chapter topics include: • 12 1 SONET Rings and TCC2/TCC2P Cards page 12-1 † 12 2 Bidirectional Line Switched Rings page 12-2 † 12 3 Path Protection page 12-13 † 12 4 Dual-Ring Interconnect page

PDF	SONET Topologies Figure 11-1 Four-Node Two-Fiber BLSR Node 3 Node 0 OC-48 Ring STSs 1-24 (working) STSs 25-48 (protect) STSs 1-24 (working) STSs 25-48 (protect) Node 1 = Fiber 1 Node 2 = Fiber 2 The SONET K1 K2 and K3 bytes carry the information that governs BLSR protection switches

What is SONET & SDH?
SONET and SDH provide carrier-class circuit protection with sub-50-millisecond (ms) restoration and multilayer performance-monitoring statistics, enabling proactive maintenance and reduced communication downtime. Integration of the Cisco ONS 15454 into today’s network is simplified because of the adherence to telecom industry standards.
What is SONET line redundancy?
The implementation of the above protection schemes allows a pair of SONET lines or paths to be configured for line or path redundancy. In the event of a fiber cut, the active line or path switches automatically to the standby line or path in up to 60 milliseconds (2/5/10 millisecond for holdover and 50 millisecond switchovers).
What are SONET protection schemes?
The SONET protection schemes partially comply with Telcordia—GR-253-CORE standard. It allows Optical Interface Module to work seamlessly as SONET Add or Drop Multiplexers (ADMs). The implementation of the above protection schemes allows a pair of SONET lines or paths to be configured for line or path redundancy.

PDF	SONET Controller Commands - Cisco CRS Router The configuration of the SONET controller includes SONET Automatic Protection Switch (APS) which is a feature offering recovery from fiber (external) or

PDF	Mesure du niveau optique à travers IOS Conventions relatives aux conseils techniques Cisco. Mesurer le niveau optique. Seules les cartes de ligne GSR (Gigabit Switch Router) 4 1xOC192 et 4xOC48

PDF	Chapter 20 RLS Commands Cisco ONS SONET TL1 Command Guide R10.x.x. 78-21403-02 RLS-EXT-CONT cannot change the contact state to Automatic if the existing state is Manual Open.

PDF	Automatic Protection Switching Configuration Automatic protection switching (APS) is a protection mechanism for SONET networks that enables SONET connections to switch to another SONET circuit when a

PDF	SONET Controller Commands on the Cisco IOS XR Software The configuration of the SONET controller includes SONET Automatic Protection Switch (APS) which is a feature offering recovery from fiber (external) or

PDF	Chapter 24 SW Commands Cisco ONS SONET TL1 Command Guide Release 8.5.1. 78-18469-01. 24. SW Commands. This chapter provides switch (SW) commands for Cisco ONS 15454

PDF	Chapter 16 OPR Commands Cisco ONS SONET TL1 Command Guide Release 8.5.1 RLS-EXT-CONT cannot change the state to automatic if the existing state is Manual Open. Caution.

PDF	Chapter 13 EX Commands This chapter provides exercise (EX) commands for Cisco ONS 15454 Cisco Exercise switch for the SONET protection line is not supported in this release.

PDF	Chapter 13 EX Commands Cisco ONS SONET TL1 Command Guide Release 8.5.1. 78-18469-01 Exercise switch for the SONET protection line is not supported in this release.

PDF	Chapter 18 OPR Commands Cisco ONS SONET TL1 Command Guide R10.x.x. 78-21403-02 RLS-EXT-CONT cannot change the state to automatic if the existing state is Manual Open. Caution.

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