VSC8494
Quad Channel Universal 10G PHY with OTN/FEC and 1588v2/Y.1731
Microsemi’s multichannel universal 10G PHY with OTN/FEC device
provides highly flexible XAUI/SFI-4.2/TFI-5 to XFI transceiver capability
with optional OTN wrapper for 10 GbE, 8G/10G Fibre Channel,
OC-192/STM-64, and OTU2 applications.
The Microsemi VSC8494 quad Universal 10G PHYs with OTN-FEC
are ideal for Carrier Ethernet switch/router and DWDM systems.
Cost-efficient transponders based on the VSC8494 device cater to
high volume 10 GbE/10G SONET/SDH and 8G/10G Fibre Channel.
The VSC8494 device offers the ideal solution for multiport client and
network interfaces on telecom transport linecards, transponders, and
muxponders.
This highly integrated device supports 10 GbE LAN Carrier Ethernet
networks, as well as WAN and OTN networks, with an extensive suite
of 10 GbE mapping modes. With its 10G PHY XFI/SFI interfaces and
G.709 FEC features, the VSC8494 quad device provides a seamless
and direct interface to XFP and SFP+ optical modules.
The Microsemi VSC8494 quad device employs a bidirectional,
independent channel architecture that can be used in both transponder
(adaptation) and regenerator modes. Bidirectional performance
monitoring is supported in both cases. The OTN mapper with FEC
supports performance monitoring and maintenance features defined
by the ITU-T G.709 standard, independent of the client signal carried,
to simplify the operation of optical networks supporting various client
signals.
The VSC8494 quad device includes four 10 Gbps dual-mode
bidirectional UPI client interfaces and four 10 Gbps bidirectional serial
interfaces for direct connection to XFP or SFP+ optics modules or 10G
serial backplanes.
The Microsemi-defined Universal PHY Interface (UPI) delivers 10 GbE
and 10 GFC as four-lane XAUI, 10G SONET/SDH as four TFI-5-like
serial lanes, and OTU2/ODU2 as four-lane SFI4.2-like interface. UPI also
supports twice-rate XAUI (DDR XAUI or RXAUI) as two lanes operating
at 6.25 Gbps, and twice-rate SFI-4.2 for OTU2/ODU2.
Transponder/Regenerator (quad channel)
Client:
4×
10 GE LAN/WAN
8GFC, 10GFC
OC-192/STM-64
OTU2/1e/2e
Network
SFP+
Highlights
• Universal 10G PHY SerDes/CDR
transceiver
• Integrated transponder support and XFI/
SFI SerDes/CDR with redundant ports for
protection switching
• 10 GbE LAN/WAN with SyncE and 1588v2
timestamp correction
• Integrated UPI/XAUI switch with G.709
OTN/FEC and GFP wrapper
• Flexible 10 GbE XAUI/LAN/WAN mapping
to OTU2 and overclocked OTU1e/2e
Applications
• N x 10G transponder/regenerator
• Protected N x 10G muxponder/ROADM
• Transponder/muxponder pizza box
• Ethernet or IP/MPLS switches/routers
• MSPP/MSTP N x 10G line cards
XFP
4×
XFI
SFI
2×
VSC8494
XFI
4× 10G
OTN/FEC/PHY SFI
Module
Module
2×
10 GE LAN/WAN
8GFC, 10GFC
OC-192/STM-64
OTU2/1e/2e
Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability
whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction
with mission-critical equipment or applications. Any performance specifications are believed to be reliable but are not verified, and Buyer must conduct and complete all performance and other testing of the products, alone
and together with, or installed in, any end-products. Buyer shall not rely on any data and performance specifications or parameters provided by Microsemi. It is the Buyer’s responsibility to independently determine suitability
of any products and to test and verify the same. The information provided by Microsemi hereunder is provided “as is, where is” and with all faults, and the entire risk associated with such information is entirely with the Buyer.
Microsemi does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other IP rights, whether with regard to such information itself or anything described by such information. Information provided in
this document is proprietary to Microsemi, and Microsemi reserves the right to make any changes to the information in this document or to any products and services at any time without notice.
VSC8494
Quad Channel Universal 10G PHY with OTN/FEC and 1588v2/Y.1731
Key Benefits
• Enables universal line cards supporting 10 GbE LAN/WAN,
8 GFC, 10 GFC, OC-192/STM-64, and G.709 OTU2/1e/2e
• Lowest cost, power, and size for N x 10G line cards, as well as
single-chip transponder/regenerator
• Direct connect to XFP and SFP+ client and network optics
• Direct connect to high-speed backplanes, MACs, SONET/SDH
and G.709 OTN framers, and FPGAs using four-lane serial
interface compatible with XAUI/RXAUI (10 GbE, 10 GFC), TFI-5
(SONET/SDH) and SFI-4.2 (OTU2)
• Wraps 10 GbE LAN/WAN, OC-192/STM-64, 8 GFC and
10 GFC clients in G.709 OTU2 with either standard or en-
hanced FEC
• May be configured to accept any 10G serial client, monitor and
wrap it in G.709 OTN, and deliver it to UPI for connection to
OTN switch, backplane, or other device
• Supports full-rate 10 GbE LAN transport using over-clocked
OTU2e/1e (with or without fixed stuff), as well as GFP-mapping
with or without preamble and ordered set retention (G.709 and
G.Sup43)
• Supports 1+1 and 1:1 host interface protection switching
• Supports loopbacks toward both client and network interfaces
Key Specifications
• Universal PHY support: 10 GbE LAN/WAN, OC-192/
STM-64,10 GFC, OTU2/1e/2e 4-lane
• 10 GbE/10 GFC XAUI/RXAUI, SONET/SDH TFI-5-compatible,
OTU2 SFI-4.2-compatible
• XFI/SFI SerDes/CDR with EDC, including multitap Tx
pre-emphasis and adaptive DFE Rx
• Redundant XFI/SFI serial interfaces connect directly to client or
network XFP/SFP+ optics
• 10G serial interfaces connect directly to 10GBASE-KR
backplanes
• OTN Mapper with RS(255,239) and G.975.1 eFECs
• 780-pin 29 mm × 29 mm FCBGA
• As low as 2.5 W per channel typical power dissipation
Related Products
Visit www.microsemi.com for information about these related
products:
• Ethernet MACs and switches for Ethernet L2 aggregation and
transport over 10 GbE LAN/WAN or OTN
• EoS Mappers for Ethernet or multiservice aggregation and
transport over SONET/SDH optionally mapped into OTU2
• Asynchronous crosspoint switches
3/6G
10-11G
UPI
XFI
FEC
OTN
PCS
MAC
MAC
PCS
OTN
FEC
XFI
8-11G
CMU
3/6G
10-11G
UPI
XFI
FEC
OTN
PCS
MAC
MAC
PCS
OTN
FEC
XFI
Reference Clock
8-11G
CPU
OH add/drop
Recovered clock
Microsemi Corporate Headquarters
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Within the USA: +1 (800) 713-4113
Outside the USA: +1 (949) 380-6100
Sales: +1 (949) 380-6136
Fax: +1 (949) 215-4996
email: sales.support@microsemi.com
www.microsemi.com
Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for com-
munications, defense and security, aerospace, and industrial markets. Products include high-performance and radiation-
hardened analog mixed-signal integrated circuits, FPGAs, SoCs, and ASICs; power management products; timing and
synchronization devices and precise time solutions; voice processing devices; RF solutions; discrete components; enter-
prise storage and communications solutions, security technologies, and scalable anti-tamper products; Ethernet solutions;
Power-over-Ethernet ICs and midspans; custom design capabilities and services. Microsemi is headquartered in Aliso Viejo,
California, and has approximately 4,800 employees worldwide. Learn more at www.microsemi.com.
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