It can install up to 14 fortigate 5000 series blades. If a via or pad is not used on a signal layer, that unused ring of copper is often referred to as a non functioning pad nfp. The atca platform was selected for several reasons. The ac input voltage is from 110 to 240v ac frequency from 47 hz to 63 hz. Development of an atca ipmi controller mezzanine board to. T he team developed a way to acquire necessary data, model and memorise the fatigue of each element. No backplane leaves our production facility without 100% testing. Buses designed to operate over backplanes or mother boards are listed here. It is common practice to reduce stub lengths in highspeed backplane designs by back drilling the stubs as close as possible to the active internal signal layer. Atca backplanes 40g 14slot dual star advancedtca backplane information the serial links for base interface, fabric interface and update channel interface are routed as edge coupled differential strip lines having an impedance of 100 ohms 10%.
Zplane atca backplane the matched impedance interconnection is made between the narrow pcb link and the backplane using a connector or adapter, which also orients the narrow pcb link to accommodate the specific angle required for the interconnection to the elements of the network. Backdrilling pcb technology backdrilling technology used in semiconductor industry that ensure the highest fidelity signals can be carried at ever increasing speeds. The vt007 can be interfaced to any atca chassis via cable to run as a protocol analyzer to monitor, inject, capture and validate i2c traffic on the intelligent platform management bus ipmb. The ac input voltage is from 110 to 240v ac frequency from 47 hz to 63 hz from the back of the chassis. Integrating shelf management solutions into compactpci and. The simulation and measurement results will provide some insight on many atca backplane elements. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. When transitioning rf to an inner layer, be sure to watch the impedance of the transition. Back drilling adds additional setup cost and turn around delay. This removes the need for backdrilling operations or complex circuit board. Stubs can be radiative hurting isolation, as well as affect the match across the transition. This discontinuity errors become critical with increasing propagation.
Issues such as hub placement, topology, fr4 materials reliability, and routing are common questions for atca. Contents intel fmjbackplane backplane board assembly the fmjbackplane backplane board assembly consists of the following. Amphenol absi vpx backplane order configuration part number table. Act two was the addition of an architectural framework that manages and constrains module and backplane designs. This series of specifications incorporates the latest trends in high speed interconnect technologies, next. Ethernet backplane support rtm connection for further low frequency io hotswappable. The fmjbackplane backplane board is installed into the storage system just behind the hard disk drives, near the front portion of your system.
Products for advancedtca systems detail, according to atca specification. Xcalibur1411 first atca card to support groundbreaking p. Advanced telecommunications computing architecture atca or advancedtca is the largest specification effort in the history of the pci industrial computer manufacturers group picmg, with more than 100 companies participating. The atca 7367 blade features telecom clock synchronization support including clock sources on the atca backplane, atca zone 3 and amc.
Pcie hotplug support standardization challenges in atca. Controlled depth drilling, or back drilling altium. Precise back drill technology highlayer count capability, up to 601 special material available ex. It shows 2 central timing cards, each containing a zl30116121 network synchronizer, providing a redundant set of system clocks to the atca synchronization backplane. Back drilling vias to remove stubs mentor graphics. The mini backplane and a 48vdc power supply are all that is required to power up the pulsar iia board on the bench. Notes faceplates generally require two ejectors, two. The sun netra ct900 atca blade server is designed for optimal reliability, availability, and serviceability, with features that include highmeantimebetweenfailure midplanes and components, multiple power inputs and power zones, memory. You cant use bbvia to replace back drill in the backplane board case where the connetor need to penerstrate through the board.
But with simulation and testing, one can offer proven performance at 16 layers without the need for expensive back drilling or the need for blind. Chassis fortigate 5144c hardware specifications available slots 14 high availability backplane fabric builtin 40 gbps backplane support yes shelf manager default maximum 1 2. Prototype performance studies of a full mesh atcabased. Next generation 14u 19inch rack mount atca chassis with 40 gbps backplane and capable of dualdualstar topology. See figure 3 back drilling, a practice to control capacitive coupling, is acceptable with compliant pin products, and it further illustrates the point of maintaining hole construction tolerances only in the region of operation.
Stubs can lead to reflections, as well as disturbances of capacity, inductivity and impedance. The backdrill process removes stubs from platedthroughholes vias. The mini backplane is used to power a single atca front board and rtm. Backplane system diagram backplane connector connector transmitter receiver ac coupling capacitor via stubs via stubs line card 1 line card 2 via stubs tp1 tp4 typical backplane system through hole via technology without back drilling on board ac coupling capacitor dispersive dissipative losses backplane, linecard traces vias. The telephony clock interface is implemented as a mlvds bussed clock. Us5899283a drill bit for horizontal directional drilling of. Fabrication flex and flexrigid printed pcb circuits a. For example, he continued, the longer the backplane, the greater the.
Jul 15, 2015 this is a subdivision of the interface bus listing. This is a complex and costly process involving setting individual drill depths on a per board basis. Pixus backplane features superior performance in 5, 6, 14, and custom slot sizes. This testing also covers passive and simple active components such as resistors, capacitors and diodes. The mini backplane also loops back each fabric interface port.
At the end its all about data rates and physics, with the connector pair and the transmission path being the relevant components. We see this both for digital high speed and for rf designs. First a word about atca atca board, shelf is first modular computer architecture with completely serial multigbps backplane, dual star or mesh board designed with standard mezzanine card amc for ease in upgrading as technology evolves moores law atca managed system ipmi, standard diagnostics detect. Known as advancedtca, the official specification designation picmg 3. Oct 29, 2008 as mentioned, many of the mentor users are applying back drilling. The front side of the first backplane faces the front of the cabinet and the front side of the second backplane faces the back of the cabinet. Atca shelf supports 40gbe backplane and two extra payload slots.
It provides hitless protection switching and holdoff. Jan 08, 2015 a cabinet for housing electronic plugin cards has front and rear card baskets for inserting plugin cards and first and second vertical backplanes. Atca backplane architecture and presents the simulation results for a 10 gbps. It is intended for persons needing to design a highspeed backplane but are either new to backplane design or who have only worked at sub1gbps speeds. This requires a followup of the fatigue of each element of the drillstring by tracking the mechanical and dynamic history of each drillstring element over its life. Advancedtca standard backplanes atca backplane general features. This loopback feature has proved to be very useful in testing and characterizing the performance of the gtx serial transceivers outside of the crate. Backdrill, controlled depth drilling multi circuit boards. The high data transmission rates of 100 gbps presented new challenges for connectors, printed circuit board material and backplane design. The atca platform provides high density and high speed communication between boards over the backplane. Atca server systems for telecommunications services. Advancedtca standard backplanes lcr electronics, inc. The pixus backplanes division leverages designs from kaparel, a leading innovator of advancedtca designs, to create new solutions based upon proven techniques.
Stubs are the unnecessary unused portions of vias, which extend further than the last connected inner layer. There are mitigations back drilling or blind vias, but they can be expensive. Select captive screw best suited to your application. We can engage with you on any vpx backplane requirement that you may have. Stubs are the source of impedance discontinuities and signal reflections which become more critical as data rates increase. Nelco pcb os and tdr testing hipot testing available pcb advantage with the advanced pcb technology, leanpac and partners provide lowvolume, highmix backplane pcb fab. Overview of backdrilling franz gisin, sanminasci, san jose. Each line in this diagram represents a channel, consisting of. Cost is an issue, but things need to be taken into account. The backplane was designed to the then standard 10g speeds 3.
For shelf manager connector pinout, see the atca user manual. A graphical user interface gui validates and displays the ipmi packets or schedules ipmi messages for injection into the shelf. The backplane utilizes megtron 6 pcb material and via back drilling for superior signal integrity. For compactpci, the available backplane bus voltages are 3.
The f9 signal blade can be used to measure atca backplane impedance and coupled near end crosstalk next open source destination. Architecture atca 4 backplane was found to be a natural. This article will study the design of a 14slot dual star advancedtca backplane. A bus which operates over a backplane is used to communicate between two or more ccas via an interconnecting pcb a backplane or motherboard. A drill bit for directional boring of all earth formations such as dirt, sand, rock andor any type combination of formations, utilizing a bit body containing fixed and semifloating cutting points and one or more fluid channels for the purpose of lubricating and dispersing cut andor fractured formations. Comparison of key driver parameters parameter lvds mlvds vod mv 250 450 480 650 vos v 1. Embedded backplane buses list, back plane bus descriptions. Context north american facility equipment assumes max 24 inch width conveyors yields reflective of 8 mil line space drilling reflects 20 mil minimum diameter medium throughput 350ksqftyr top surface product 32 metal layers, no buried vias fr4, 24x20 inch panel, 20x18 inch. This chassis is powered from a 48vdc supply and includes up. Copper backplane challenges some challenges for 25 gbslane implementation fabrication. Bert simonovichs design notes innovative signal integrity.
The application of managed pressure drilling was specifically created to give it an identity apart from conventional drilling and apart from underbalanced drilling. Versions for both 19 rackmount and 23 etsi racks are available. The shelf manager offers the unique integration of 40gbe and 1gbe layer three managed switches on the same module. This new layout is compatible with a commercially available 1u chassis contact us for details. Rectangular power connectors active product drawing english 3d pdf te connectivity te atca assy, vertical backplane, atca 17665011 te internal number. The speiadc drilling conference and exhibition is one of the key annual industry events. A pair of f9 signal blades allows terminated atca backplane measurements of impedance, transmission, skew, propagation. This is a subdivision of the interface bus listing. Pairs of stubs can couple well to each other depending on frequency. The clock circuitry can synchronize on multiple clock sources and can feed derived clocks back into backplane, amc and zone 3. Kawasaki et al atca server systems for telecommunications services 4. Pci express, serial rapidio, ethernet, infiniband, etc.
X, are a series of picmg specifications, designed to provide an open, multivendor architecture targeted to requirements for the next generation of carrier grade communications equipment. Development of optical interconnect pcbs for highspeed. All backplanes are subjected to extensive electrical testing before despatch. Atca9112 40 gbe switch blade supports up to 16 slots. Atca, microtca, openvpx, compactpci serial or the relevant protocol is e. An automatic process checks the entire backplane for continuity and short circuits. Back drilling vias to remove stubs mentor graphics communities.
This u atca chassis example introduced a decade ago has more than 15,000 global installs and cools 270w. I would like to invite you to help maintain our high standards by submitting a paper. Practical guidelines for the implementation of back drilling. The back side of the board has power connectors, alignment keys, rear io access, and high speed connections to the passive backplane. The fabric interface of the full mesh backplane enables high speed pointtopoint communication between every slot figure 4 a, with no switching or blocking. This white paper covers the design process implemented at xilinx for developing a highspeed serial backplane to explore interconnects using a variety of connectors and pcb materials.
Furthermore, the fabric part of an atca backplane supports speeds of at least 10 gbps. It can also accommodate atca s2 server blades, but unlike the 14slot. The topology of the atca backplane can greatly affect the overall system cost as the cards. This reputation could not have been achieved without active engagement from the industry. The sun netra ct900 atca blade server conforms to atca and picmg 3. Atca channel data for backplane ethernet task force. Extreme engineering targets eighteen powerpc processors on atca blade. The following configuration table provides the part numbering structure applicable to the full range of vpx backplanes on offer from amphenol absi. All elma electronic atca backplanes are compliant to the picmg 3. Tca products including chassis platforms, shelf managers.
Atca assy, vertical backplane, rectangular power connectors. Atca assy, vertical backplane, atca 17665011 te internal number. Unique easyglide strips provide smooth psu insertionextraction. Jan 30, 2015 the 6slot atca backplane offers a dualstar configuration, with an option to add a full mesh, and an option to add a replicated mesh on the node slots. Intel backplane board fmjbackplane installation guide. The elma bustronic mesh advancedtca atca backplanes are compliant to the picmg 3.
The atca base interface is typically used for outofband management, so it was only specified with a maximum speed of 1 gbps. Elma electronic offers a comprehensive range of advancedtca backplanes mesh, dual star 5u, and 7u pluggable dual star. Since the connectors and pcb are the same for the fabric and base interface an optional 10 gbps speed for the base interface was added. It has been shown in previous designcon papers that by back drilling the via, the launch impedance is improved by reducing via capacitance and more importantly the launch resonance effect is mitigated.
For example, he continued, the longer the backplane. The atca 9112 40gbe switch blade provides 1040gbe switching for 16 slots and 8 front panel uplinks with a 640gbps nonblocking fabric switch from broadcom. For example, the sanminasci fullmesh high perfomance atca backplane. These are both required to release the final backplane design and manufacturing data. Standard slot configurations 3, 4, 5, 6, 7, 9 and 14. Fmjbackplane backplane board mounted within metal housing. Front view of backplane zd connector and diff pair assignment figure 4. Understanding 40g advancedtca and beyond electronic design. There appears to be some confusion with respect to methodology for managed pressure drilling.