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Integrated TDM and Data Planes
Each slot in the Cisco ONS 15305 has 2.5-Gbps bidirectional connections to a fully nonblocking VC-4/VC-3/VC-12, 10-Gbps cross-connect.
This allows any-to-any connectivity of SDH virtual containers between slots, typically used to aggregate Plesiochronous Digital Hierarchy
(PDH) traffic onto the optical SDH interfaces. Additionally, each slot in the Cisco ONS 15305 has two bidirectional, 1-Gbps connections to an
Ethernet cross-bar in the main chassis that allows data packets to flow between Ethernet modules in all slots. The TDM and data planes of the
Cisco ONS 15305 allow flexible architectures for multiservice networks that result in reduced service provider capital expenditures.
Figure 6
Cisco ONS 15305 Integrated TDM and Data Planes: Each slot in the Cisco ONS 15305 has access to the TDM cross-connect and to an Ethernet
cross-bar.
cross-bar.
Simplified Management for All Cisco Optical Platforms
The Cisco ONS 15305 is managed by the Cisco Transport Manager element management system (EMS), which integrates all Cisco optical
products under a single screen for network management. Cisco Transport Manager can indicate alarms and events of Cisco ONS 15305 devices
in customer networks. Cisco Transport Manager can also display G.826 performance-monitoring parameters recorded by the Cisco ONS 15305
counters. Additionally, Cisco Transport Manager can cross-launch the Cisco ONS 15302 and Cisco ONS 15305 craft tool, the Cisco Edge
Craft, to configure and provision Cisco ONS 15305 network elements.
SUMMARY/CONCLUSION
The Cisco ONS 15305 MSPP enables transport of Ethernet and time-division multiplexing (TDM) traffic over optical networks. The Cisco
ONS 15305 is unique in that in a small form factor it can aggregate unprecedented multiservice bandwidth capacity and service density,
significantly reducing capital expenditures for next-generation infrastructures. The simple approach to integrate Layer 2 Ethernet intelligence
with embedded optical transport technology allows cost-effective delivery of advanced Ethernet and traditional TDM services using an existing