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Cyan Z-Series Engineering and Planning Guide
Release 5.0
700-0023-05-00 Rev. 1
© 2013 Cyan, Inc. – All Rights Reserved.
P a g e
87
2.7 PSW-618 Packet Module
The PSW-618 is a highly scalable Ethernet switching and transport module for the Cyan Z77 packet-optical
transport platform (P-OTP). The PSW-618 is optimized for high-capacity Ethernet aggregation and
end-to-end packet transport solutions. The PSW-618 modules support six 10 GbE SFP+ and eighteen 1 GbE
SFP interfaces for local connection to routers and other network elements. The PSW-618 module supports
standards-based Connection Oriented Ethernet (COE) for increased network performance and scale. The
module also supports optional user configurable OTU2 mapping with FEC for transport over optical
networks.
In this Release, the PSW-618 module is deployable in Z77 shelves. Each PSW-618 module is
inter-connected with other modules through a 2.8 Tbps Ethernet and OTN switching fabric (XC-2800) in
the 14-slot Z77 chassis. Other modules supported by the XC-2800 switch fabric include the PSW-10G10
and TSW-10G10.
The PSW-618 module supports VLANs at both the provider (IEEE 802.1ad) and customer (IEEE 802.1Q)
level for advanced Ethernet services. The transport module supports COE transport with Provider Backbone
Bridging with Traffic Engineering (PBB-TE) functionality.
The graphic below shows the PSW-618 trunk and client interfaces functional block diagram.
Figure 40: PSW-618 Functional Block Diagram
The graphic below shows a typical extended switch configuration with PSW-618 line cards.
Figure 41: Typical Extended Switch Configuration with PSW-618 Line Cards
Backplane
(2.8 Tbps XC-2800 common
Ethernet and OTN switching
fabric in Z77)
6 x 10 GbE SFP+
18 x GbE SFP
ODU2
Mapper
160G
Ethernet
Switch