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Topic: XENPAK

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Optical fiber

XPAK

	XENPAK - Wikipedia, the free encyclopedia
		XENPAK is a standard that defines a type of fiber-optic transceiver modules which are compatible with the 10 Gigabit Ethernet (10 GbE) standard.
		XENPAKs come in a variety of physical layer interfaces, for multi-mode and single mode fibre optic cables.
		Recently introduced XENPAKs using the 10GBase-LX4 standard operate using multiple wavelengths on legacy multi-mode fibres at distances of up to 300 metres, eliminating the need to reinstall cable in a building when upgrading certain 2.5 Gbit/s circuits to 10 Gbit/s.
	en.wikipedia.org /wiki/XENPAK (144 words)

	[No title]
		Xenpak, a popular form factor for 10-Gbit/s optical modules, is starting to look a little old and flabby.
		Xenpak, which has been around for more than a year now, has previously been criticized for being too cumbersome (see Sizing Up Xenpak).
		Systems vendors that have already designed in Xenpak, should be able to change to XPAK with minimum changes to their board designs.
	www.byteandswitch.com /document.asp?doc_id=15147&print=true (917 words)

	XENPAK Definition / XENPAK Research (Site not responding. Last check: 2007-10-13)
		XENPAK is a standard that defines a type of fiber-opticAn optical fiber in American English or fibre in British English is a transparent thin fiber, usually made of glass, for transmitting light.
		XENPAK is a multisource agreement (MSA) for a 10-Gbit transceiver package.
		Xenpak is the first improvement on the 300-pin MSA, using four 3.
	www.elresearch.com /XENPAK (290 words)

	Welcome to XenPak.org - Press Releases - 10 Gigabit Ethernet, 10 GbE, IEEE 802.3ae, PMD, XAUI, 850 nm Serial, 1310 nm ... (Site not responding. Last check: 2007-10-13)
		The XENPAK MSA, announced in March 2001 by Agere and Agilent, defines and specifies a uniform form factor, size, connector type and electrical pin-out for 10 Gigabit Ethernet transceivers as defined by the proposed IEEE 802.3ae standard.
		XENPAK transceivers are very compact, allowing eight devices to be mounted on a typical line card without compromising the significant thermal and EMI management requirements of 10 gigabit-per-second optical electronics.
		The XENPAK MSA group is an open forum, welcoming both transceiver and network equipment manufacturers as new members.
	www.xenpak.org /PressRelease_052901.asp (396 words)

	Push It Along - Broadband Week 08/06/2001 (Site not responding. Last check: 2007-10-13)
		With the stated goal of "expanding Ethernet beyond the enterprise," the Xenpak MSA first was announced in March and now seems to have hit the optical market at just the right time.
		Xenpak defines a fiber-optic transceiver module that conforms to the IEEE standard, and both Agilent and Agere believe it can be a focal point toward the development and adoption of more 10-Gig Ethernet products.
		Xenpak specs define the device size at 36 millimeters (mm) wide, 121 mm long and 17.4 mm high, which enables eight devices to be mounted on typical line cards.
	www.broadbandweek.com /news/010806/010806_apps_xen.htm (636 words)

	One Megahertz Adaptable Power Supply Meets XENPAK MSA Specification - Maxim/Dallas
		The XENPAK Multisource Agreement (MSA) defines a fiber-optical module, which conforms to the 10 Gigabit Ethernet standard as laid down by the IEEE 802.3ae.
		Xenpak specifies a 200µF maximum value for this capacitor.
		Load and line regulations were measured for both the maximum APS voltage of 1.8V and the minimum of 0.9V to have 1mV deviation for 0.4A to 1.8A and for 3.0V to 3.6V respectively.
	www.maxim-ic.com /appnotes.cfm?an_pk=1045 (502 words)

	Light Reading - Networking the Telecom Industry
		In a typical Xenpak implementation (see Figure 2) the 10-Gigabit Ethernet MAC is connected through a XAUI transceiver to the transponder, although some MACs now integrate the XAUI transceiver.
		Production volumes of Xenpak modules are growing quickly, and several Tier 1 equipment vendors are shipping these transponders in systems.
		Ethernet equipment using Xenpak modules is now available from a significant number of companies, including Cisco, Enterasys Networks Inc. (NYSE: ETS - message board), Extreme Networks Inc. (Nasdaq: EXTR - message board), Foundry Networks, and Tellabs Inc. (Nasdaq: TLAB - message board; Frankfurt: BTLA).
	www.lightreading.com /document.asp?site=lightreading&doc_id=43536&page_number=7 (609 words)

	fibers.org - Optical Communication Resources
		Agilent's new 10 Gb XENPAK, X2 and XFP MSA-compliant fiber optic transceivers cover all major physical media device types and link distances, and are hot-pluggable.
		The company is demonstrating multimode XENPAK samples at the OFC Conference.
		A 220-meter multimode fiber XENPAK version is sampling to select customers, and is expected to be released once the IEEE specification is stable.
	fibers.org /press/6626 (613 words)

	Transceiver range covers all 10Gbit/s fibre optics: News from Agilent Technologies
		Agilent's new 10Gbit Xenpak, X2 and XFP MSA-compliant fibre-optic transceivers cover all major physical media device types and link distances, and are hot-pluggable.
		Agilent's Xenpak 10Gbit Ethernet portfolio includes the following fibre optic transceiver modules: the HFCT-701XB 10km 10GBASE-LR optical transceiver; the HFCT-701XBD 10km 10GBase-LR optical transceiver that features digital diagnostics, including real-time monitoring of the transceiver's temperature, supply voltage, laser bias current, transmitted optical power and received optical power; and the HFCT-703XBD 40km 10GBase-ER with digital diagnostics.
		A 220m multimode-fibre Xenpak version is sampling to select customers, and is expected to be released once the IEEE specification is stable.
	www.electronicstalk.com /news/agi/agi218.html (493 words)

	Foundry Networks : Services : Documentation : Foundry Switch and Router Installation and Basic Configuration Guide (Site not responding. Last check: 2007-10-13)
		The XENPAK optics are hot-swappable, allowing you to change the optics without removing the module from the chassis.
		You can remove a XENPAK optic from a 10 Gigabit Ethernet module and replace it with a new one while the Foundry device is powered on and running.
		Pull the XENPAK optic out of the port, and place it in an anti-static bag for storage if desired.
	www.foundrynet.com /services/documentation/sribcg/10Gig.html (2930 words)

	Xenpak successors in search for truce
		Companies backing the competing Xpak and X2 optical module formats for 10Gbit/s networking are looking for a truce to simplify the process of deciding which standard will succeed Xenpak.
		Xenpak's future came into question over a specification that demands a cut-out area in the PCB to let it fit many switch or router designs.
		Antony Spilman, strategic marketing manager at Agilent, says the reason to develop X2 is in response to the fact that, despite criticism, Xenpak is likely to remain in use for a while.
	www.commsdesign.com /printableArticle?articleID=16505585 (384 words)

	Foundry Networks : Products: Modules: 10 Gigabit Interface Module (Site not responding. Last check: 2007-10-13)
		The Xenpak Multisource Agreement (MSA) pluggable optics is used to provide optimal field serviceability.
		The Xenpak MSA supports the 802.3ae IEEE 10GbE standard, and specifies a uniform form factor, size, connector type and electrical pin-outs.
		The Xenpak optics are easily removable from the front side of the module, rather than from the top, allowing optics to be changed without taking modules out of the chassis, minimizing service downtime.
	www.foundrynet.com /products/modules/10Gig.html (1747 words)

	Opnext - Press Release - Opnext Announces 1550 nm XENPAK Module (Site not responding. Last check: 2007-10-13)
		The module is powered by Opnext's 1550nm externally modulated laser and is the result of a joint collaboration between Opnext and Pine Photonics Communications.
		The longer reach makes maximum use of the XENPAK form factor's heat dissipation properties and will be used in Metropolitan Area Networks (MAN) applications.
		Opnext, Inc., is a global leader in high-performance optical components, including high power lasers, laser diode modules, transmitters and receivers, XENPAK modules, optical transceivers and optical transponders (SerDes transceivers).
	www.opnext.com /press/pressrelease.cfm?id=28 (498 words)

	Broadcom Accelerates the Deployment of 10-Gigabit Ethernet Xenpak Modules From Leading Module Manufacturers
		Broadcom's XBERT (Xenpak Bit Error Rate Testing) development platform is a fully operational board that incorporates two independent physical layer data channels to provide complete channel-to-channel testing of Xenpak-compliant fiber-optic transceiver modules.
		The BCM8702 was the world's first CMOS 10 GbE serial transceiver for Xenpak modules and is designed into the majority of Xenpak modules that are moving into production today.
		The Xenpak module conforms to the proposed IEEE 802.ae 10-Gigabit Ethernet standard and is defined by the Xenpak Multi Source Agreement (MSA).
	www.broadcom.com /press/release.php?id=289157 (1329 words)

	Marvell: Press and Investor News (Site not responding. Last check: 2007-10-13)
		The XENPAK Multi Source Agreement (MSA) defines a fiber optic transceiver module for 10 Gigabit Ethernet applications.
		For 10 Gigabit Ethernet applications, the device connects to optical modules such as the XENPAK using the XAUI interface and to 10 Gigabit Ethernet switch devices using the XGMII interface.
		The Agilent serial 10Gbase-LR XENPAK optical transceiver is an "intelligent" LAN PHY that incorporates the complete physical layer functionality from the optical interface to the XAUI (4 channels at 3.125 Gbps) electrical interface, including both 8/10B and 64/66B coding and decoding.
	www.marvell.com /press/pressNewsDisplay.do?releaseID=42 (1167 words)

	Agere Systems (Site not responding. Last check: 2007-10-13)
		With Agere's XENPAK transceiver, systems makers get the cost-saving benefits of an integrated product that can send and receive data, perform optical-to-electrical and electrical-to-optical conversions, and deliver network management features such as an adaptable power supply and a programmable link alarm status.
		The XENPAK MSA was co-founded by Agere in March 2001 and represents the most widely-adopted industry standard for 10 GbE, with more than 25 member companies agreeing that their transceiver product designs will conform to the proposed IEEE 802.3ae 10 GbE specification.
		Agere's transceiver implements the XENPAK adaptable power supply scheme, which allows a system line card to sense the exact voltage required by a particular XENPAK transceiver and supply any corresponding voltage between 0.9 and 1.8 volts.
	www.agere.com /NEWS/PRESS2001/121701a.html (737 words)

	III-Vs Review
		But, although XENPAK is designed for the heat dissipation necessary with high-power, long-reach telecom lasers, it also provides the standard for shorter-reach 10 Gbit Ethernet (10GbE) transceivers, for which it is larger than desired.
		MSAs have been proposed that are compatible with XENPAK’s four-wire 10 Gbit attachment unit interface (XAUI) and 70-pin electrical connector, but with smaller form factors for space-constrained applications to move to 10Gbit/s.
		This eliminates mux/demux serial-to-parallel conversion logic chips inside the module and allows the serial 10Gbit/s physical-layer IC (PHY) to be moved on to the PCB (away from optics generated heat) and everything up to the XFI serial interface to be integrated into the CMOS media-access controller chip.
	www.three-fives.com /latest_features/webzine_features/AugWebzinefeature1605.html (1981 words)

	News > Press Releases > Fujitsu Brings to Market Industry's First Copper XENPAK Module - FUJITSU EMEA
		The new module reduces the cost per port by offering a low-cost copper solution that has the flexibility to support VSR parallel optics through a single port.
		The x-MGC module plugs into a XENPAK CX4 port of a switch or router to link the host system to the network via a 4x copper cable assembly.
		The MUX/DEMUX, XAUI interface and MDIO management functions are all integrated into the Fujitsu module, as well as a precision oscillator that eliminates the need for an external reference clock.
	www.fujitsu.com /emea/news/pr/fceu_20040503-01.html (387 words)

	WaveSplitter - WaveProcessor
		The LX4 transceiver is based on proprietary optical mux and de-mux technology, which enables reliable coarse wavelength-division multiplexing (CWDM) of 8 optical data streams (4 transmit, 4 receive).
		The transceiver is housed in an XENPAK MSA compliant package with a duplex SC receptacle optical interface.
		The received four wavelength optical signal is de-multiplexed into four PIN TIA receivers and limiting amps before being conditioned by the XAUI to XAUI driver for transmission as 4 x 3.125 Gb/s XAUI signals.
	www.wavesplitter.com /products/waveactivex.htm (186 words)

	Agere Systems (Site not responding. Last check: 2007-10-13)
		The XENPAK multi-source agreement (MSA) group announced today that it has completed work on Revision 2.0 of its technical specifications for 10 Gigabit Ethernet transceivers.
		This work builds on the initial MSA platform, announced in March 2001, which defines a uniform transceiver form factor, size, connector type and electrical pin-out, and conforms to the proposed IEEE 802.3ae standard.
		The APS will allow equipment makers to use new, lower power XENPAK transceivers as they are introduced while maintaining backwards compatibility.
	www.agere.com /NEWS/PRESS2001/100101c.html (457 words)

	EEProductCenter.com :: Fujitsu rolls out first copper XENPAK module for networking apps (Site not responding. Last check: 2007-10-13)
		Designed to interconnect networking and storage equipment up to 15 meters between racks, switches, or between switch-to-server connections, the x-MGC 10 Gbit Ethernet CX4 module is compliant to the XENPAK multi-source agreement (MSA), which introduced the use of XAUI signaling for 10 Gbit/s optical modules.
		Caveat: Because there isn't a default value for the CX4 module defined in the XENPAK MSA, which was ratified prior to the 802.3ak standard, there may be a slight problem with the registers for recognizing the XENPAK CX4 module.
		Fujitsu's tech support said the two problematic registers are the 0x8013 and 0x8018, which were intended to provide the information about the module and connector type, and the CX4 is not there, although the XENPAK MSA committee will rectify the problem in the near future.
	www.eeproductcenter.com /interconnects/review/showArticle.jhtml?articleID=19202129 (1284 words)

	M320 Internet Router
		Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
		Label the cable connected to the XENPAK module so that you can later reconnect it to the correct module.
		An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose.
	www.juniper.net /techpubs/hardware/m320/m320-hwguide/replace-remove-xenpak.html (309 words)

	3Com® 10GBASE-LR XENPAK (3CXENPAK92) - Features & Benefits (Site not responding. Last check: 2007-10-13)
		This XENPAK can be used in those 3Com switches and modules which support XENPAK transceivers.
		XENPAKs can be mixed and matched on a given switch to maximize flexibility.
		A current list of these products can be found under the "Specifications Tab" under the heading "This Product Supports".
	www.3com.com /products/en_US/detail.jsp?tab=features&pathtype=purchase&sku=3CXENPAK92 (66 words)

	Cisco 10GBASE XENPAK Modules [Cisco Ethernet Switching Network Modules] - Cisco Systems
		The range of Cisco® 10GBASE XENPAK modules offers customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.
		Cisco XENPAK modules are supported on Cisco switches and routers.
		Table 2 shows the main optical characteristics for the Cisco XENPAK modules.
	www.cisco.com /en/US/products/hw/modules/ps4835/products_data_sheet09186a008007cd00.html (527 words)

	Blaze hits the Xenpak trail
		Although Blaze claims it's the first with a 10G bit/sec Xenpak transceiver, back in September, Agilent announced that it had the first commercially available 10G bit/sec Ethernet Xenpak-compliant module.
		Both products adhere to the Xenpak form-factor specification, which simply means that they are packaged in the same form factor so that networking system vendors such as Cisco or 3Com can use either transceiver interchangeably, depending on customer requirements.
		Agere just announced it will be shipping in January its 10G bit/sec Xenpak modules, which can transmit up to 10 kilometers.
	www.networkworld.com /newsletters/optical/2002/01162801.html (756 words)

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