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Cyan Z-Series Engineering and Planning Guide
Release 5.0
P a g e
170
© 2013 Cyan, Inc. – All Rights Reserved.
700-0023-05-00 Rev. 1
4.9 App 9: Ethernet Services and Transport
The Cyan Z22 shelf is optimized for access aggregation and edge deployments. The system provides a
combination of Ethernet aggregation switching with connection-oriented Ethernet (COE) transport, OTN
encapsulation and DWDM in a single shelf.
The Z22 shelf extends high-performance Ethernet services and carrier-grade packet transport deeper into
the access network. The temperature-hardened Z22 system provides scalable aggregation of broadband
access platforms, fiber to the tower (wireless backhaul) applications, as well as business Ethernet and
residential deployments. The Z22 system supports standards-based COE and G.8032 to provide guaranteed
throughput for MEF certified E-Line and E-LAN services with sub-50 ms Ethernet protection switching.
10 GbE of N
x GbE
Residential Broadband
xDSL or
PON
Z77
Nx10 GbE COE
Transport over DWDM
Z22 Nodes
Access Node
Figure 91: Z22 - Aggregation, Transport, and Edge Access