Cisco Cisco ONS 15454 M2 Multiservice Transport Platform (MSTP) Data Sheet

 

 

© 2012 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. 

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Flexible Protection Mechanism Support 

You can deploy the 40-Gbps Full-Band Tunable CP-DQPSK Transponder card, depending on your network 

requirements, to support the many protection mechanisms found in optical transport networks. Table 2 outlines the 

supported protection options that help to deliver the service-level agreements (SLAs) required by the application. 

Protection Formats 

No client terminal interface, transponder card, or DWDM line protection. The client signal is transported over a 
single unprotected transponder card.  

Provides protection for the client terminal interface, transponder card, and DWDM line through client automatic 
protection switching (APS) or linear multiplex section protection (LMSP) signaling transported transparently over 
the transponder card.  

Similar to unprotected format. Protection is provided through client line or path protection through transparent 
signal transport through a transponder circuit.  

Provides transponder card and DWDM line protection without requiring client terminal equipment interface 
protection. Uses Y-protection device to optically split a single client interface to two transponder cards. The Cisco 
ONS 15454 system controls the transponder card active or standby status to provide a single signal feed to client 
equipment.  

Provides protection for DWDM signal through external optical switch units (Protection Switch Module). 

Flow-Through Timing 

The transponder card allows the timing to flow through from client to line optical interfaces. The receive timing from 

one interface (client or line) is used to time the other transmitter interface (line or client). This flow-through timing 

allows the transported signal to remain independent of the node timing. 

Management 

The Cisco ONS 15454 MSTP provides comprehensive management capabilities to support the operations, 

administration, monitoring, and provisioning (OAM&P) capabilities through the integrated Cisco Transport 

Controller craft interface with support from the Cisco Transport Manager element management system. The 40-

Gbps Full-Band Tunable CP-DQPSK Transponder Card incorporates provisionable digital wrapper (G.709) 

functions, providing per-wavelength performance management capabilities, especially for services transported 

transparently across the network. Without the digital-wrapper functions, a carrier transporting a service 

transparently would be unable to identify network impairments that may degrade the transported signal and exceed 

SLA requirem

ents. The digital wrapper’s generic communication channel (GCC) provides a separate 

communications channel on a per-wavelength basis, other than the SDCC or regenerator SDCC (RSDCC) in 

SONET/SDH signals, to be used by the platform when transparent signals are transported. This GCC allows the 

Cisco ONS 15454 system to extend its advanced network autodiscovery capabilities to DWDM-based services. 

The integrated Cisco ONS 15454 Transport Controller craft manager and the Cisco Transport Manager provide the 

user with OAM&P access for the system.  

Far-End-Laser-Off Behavior 

The Cisco 40-Gbps Full-Band Tunable CP-DQPSK Transponder Card can provision the far-end-laser-off behavior 

in case of ONSET/SDH payloads. Customers can use the Cisco Transport Controller to configure how the remote 

client interface will behave following a fault condition. It is possible to configure the remote client to squelch or to 

send an alarm indication signal (AIS). 

For data signals (40 GbE CBR), the behavior is squelching.