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Cisco 15454-CE-MR-10 10 Port Multirate Ethernet Card
The Cisco ONS 15454 10 Gigabit Ethernet XPonder card portfolio includes two options: a 10 Gigabit Ethernet XPonder card and a 10 Gigabit Ethernet enhanced XPonder card. The portfolio provides a complete solution with the base XPonder optimized for Ethernet access applications, whereas the enhanced XPonder card provides additional capabilities for Ethernet aggregation rings.
The Cisco ONS 15454 10 Gigabit Ethernet XPonder is a single-slot Cisco ONS 15454 board providing four 10-Gbps Small Form-Factor Pluggable (XFP)-based 10 Gigabit Ethernet ports, two of which provide G.709 digital-wrapper and Enhanced Forward Error Correction (E-FEC) capabilities. You can also equip these two ports with DWDM XFPs to allow direct interconnection off the XPonder with the DWDM MSTP system. You can equip two client ports with various XFPs: 10BASE-LR (ER or ZR in the planning stage). You can configure the board in two different operating modes:
● Layer 2 switch: In this operating mode the XPonder behaves as a Layer 2 switch, including the G.709 Rapid Resilient Ring Ethernet Protection (GR3) mechanism.
● Multiple 10 Gigabit Ethernet transponders: In this operating mode the XPonder provides a one-to-one mapping between two 10 Gigabit Ethernet ports, enabling equivalent functions of two standard 10 Gigabit Ethernet DWDM transponders. Each of the 10 Gigabit Ethernet ports providing G.709 digital wrapper and E-FEC are equipped with DWDM XFP to directly interface the cards with the DWDM layer.
DWDM XFPs used as line interfaces provide one 10-Gbps, long-reach, ITU-compliant, 100-GHz–spaced optical interface using LC connectors supporting an OUT-2 G.709 digital wrapper and 10 Gigabit Ethernet LAN physical layer (PHY), or 10 Gigabit Ethernet WAN PHY interfaces. There are 40 different card types of DWDM XFP (one per wavelength), enabling support for 40-channel DWDM networks. When operated within the outlined specifications, each card transports the 10 Gigabit Ethernet signal with a maximum bite error rate (BER) of 10E-15.
You can deploy the XPonder cards in the 12 multiservice interface card slots of the Cisco ONS 15454 platform, in systems with or without cross-connect cards. The addition of a cross-connect card enables the platform to support hybrid applications, containing transparent 10-Gbps services as well as aggregation of other services supported by the Cisco ONS 15454 platform. The only required common card is the appropriate timing, communications, and control card.
The XPonder card provides many carrier-class features and advanced capabilities necessary to deliver 10 Gigabit Ethernet Metro Ethernet services, including the protocol transparency, flexible protection mechanisms, broadcast and multicast topology flow-through timing, management, and performance-monitoring capabilities outlined in the following sections.
Enhanced FEC Capability
The critical feature of the 10 Gigabit Ethernet XPonder is the availability to configure the FEC in three modes (the output bit rate depends on this choice):
● 10.3125 Gbps for 10 Gigabit Ethernet LAN PHY
● 11.095 Gbps for 10 Gigabit Ethernet LAN PHY (over-clocking mode)
Error coding performance can be provisioned:
● NO FEC
● FEC: Standard G.975 Reed-Salomon algorithm
● E-FEC: Standard G.975.1 two orthogonally concatenated block codes (BCH) super FEC codes; this FEC scheme contains three parameterizations of the same scheme of two BCH codes; the constructed code is decoded iteratively to achieve the expected performance
Protocol Transparency
The XPonder card provides transparent wavelength services on the Cisco ONS 15454 platform. Digital-wrapper technology (G.709) adds a management wrapper to the service, allowing the XPonder card to transparently forward the payload while enabling derivation of performance metrics to ensure circuit service quality.
The cards are transparent to the embedded payload and do not access the Cisco ONS 15454 platform cross-connect.
1X Cisco 15454-CE-MR-10
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