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642-104 Unified Communication for System Engineers

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642-104 exam Dumps Source : Unified Communication for System Engineers

Test Code : 642-104
Test appellation : Unified Communication for System Engineers
Vendor appellation : Cisco
free pdf : 218 actual Questions

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Cisco Unified Communication for System

Architecting Cisco Unified Communications supervisor 12.5 – An Evolutionary anecdote | killexams.com actual Questions and Pass4sure dumps

closing week i was with lots of their purchasers attending Cisco live Barcelona. Barcelona is a fantastic illustration of a brilliant, contemporary metropolis, the host of the annual sapient metropolis Expo. across the metropolis, up to date structures enjoy open Gehry’s Golden Fish (El Paix) and the Museu Blau (Herzog and de Meuron) blend with typical Catalan gothic architecture and Antoni Gaudi’s brightly coloured designs, impressed by way of nature.

in every bit of probability probably the most eminent of Gaudi’s works is the Basilica de la Sagrada Familia. labor on the basilica started over 135 years ago. construction has been continuous ever considering, and today is about 70% comprehensive. labor will proceed until at least 2026. unfortunately, Gaudi handiest lived to peer the completion of 1 of the superb towers. however following his dying, the assignment became no longer abandoned. Successive architects, sculptors and different tradesmen possess collaborated to proceed in opposition t his imaginative and prescient. along the style, they possess embraced contemporary development strategies and substances. The addition of each novel facade and tower, delighting friends with novel experiences and reworking the city skyline. i will’t wait to Come back back and notice the way it has changed on my subsequent consult with.

As an engineer, this obtained me brooding about parallels with the items I keeping for. i am fortunate to breathe the newest engineering leader to possess accountability for Cisco Unified Communications supervisor.

over the past twenty years UC manager has developed. It has built on its commercial enterprise IP telephony and voicemail heritage, to accommodate novel expertise and novel techniques of working. snappy messaging and presence, mobility, telepresence, virtualization and cloud collaboration, and lots extra possess every bit of been embraced. in consequence, UC supervisor is trusted with the aid of over 200,000 organizations to deliver cozy conversation and collaboration capabilities for his or her individuals and groups.

And this week, Unified Communications supervisor acquired even enhanced. liberate 12.5 is generally available now.

A key goal for us in this unencumber was to simplify administration and reduce your complete can saturate of ownership. it's plenary of facets to beget administrator’s lives more convenient. listed below are just a few:

  • All Cisco Jabber and video endpoint* configuration can now breathe executed directly from Unified CM’s administrator’s interface (no more XML data!).
  • that you can manage Cisco Headsets* from Unified CM too, simplifying configuration management, stock tracking, utility upgrades, and extra.
  • We reduced the time it takes to upgrade your Unified Communications manager tackle by way of up to 50% with primary “one-contact” cluster-wide upgrades.
  • Provisioning novel phones has never been more convenient with secure on-boarding, the usage of fundamental sixteen-digit or QR codes.
  • (*be aware: Video endpoint and Headset management want Unified CM liberate 12.5 SU1, obtainable April/may additionally 2019)

    Of path, they didn’t ignore conclusion-clients. They created a more consistent event for extension mobility clients. And they made Jabber cellular deployments extra tenacious and feature prosperous. They additionally enabled interworking between on-premises Jabber IM&P and Webex groups messaging. by the way – carry out you know that Jabber 12.5 also supports a brand novel “team Messaging Mode”? It potential that you would breathe able to utilize Unified Communications manager for commerce calling, and attach to the Webex crew messaging provider for next technology company messaging.

    As in every liberate, they fortify their security capabilities. They delivered elliptic curve cryptography help, granular controls for cipher administration, encrypted quick messaging archiving, and a few different enhancements.

    There are dozens of things they might talk about, but you probably gain the aspect. Their strategy is to proceed to give astounding on-premises options, at the identical time as they aggressively boost their cloud portfolio. They recognize hundreds of hundreds of you, their shoppers, depend upon it!

    Cisco Unified Communications supervisor 12.5 has had essentially the most rigorous testing. it is the very best character unencumber for decades. I’m unavoidable you will definitely fondness it. however, just enjoy the planners, architects and engineers who're using the city of Barcelona and the Sagrada Familia forward, they aren't accomplished yet! truly, they are already planning their subsequent release. we're going to leap straight to “liberate 14” (any guesses why?).

    while they are soundless early on in the process, we're thinking about tremendously enhancing their consumer interfaces, greater seamlessly integrating to their cloud services portfolio, and increasing scale. I should soundless likely not share a all lot greater, as roadmaps are at every bit of times in flux. besides the fact that children, i might fondness to hear what you may want to contemplate us doing next. depart me your comments beneath.

    Share:


    pro Unified Communications expert Tom Puorro Joins Plantronics | killexams.com actual Questions and Pass4sure dumps

    December 18, 2018 08:00 ET | supply: Plantronics, Inc.

    photograph-unencumber

    Tom Puorro

    Tom Puorro joins Plantronics, Inc. as govt vice president, GM, neighborhood systems.

    Plantronics, Inc.

    SANTA CRUZ, Calif., Dec. 18, 2018 (GLOBE NEWSWIRE) -- Plantronics (NYSE: PLT), an audio pioneer and unified communications (UC) expertise chief, today announced Tom Puorro is joining the commerce as government vice chairman, benchmark supervisor, neighborhood programs. during this function, Puorro will lead the crew accountable for audio and video collaboration solutions for the up to date workplace.

    “Tom’s deep handicap and keenness for the UC enterprise beget him an immense addition to their management and product teams,” talked about Joe Burton, Plantronics President and Chief government Officer. “His journey will uphold us execute their imaginative and prescient and develop their position because the communications and collaboration associate of choice.”

    “The UC industry is exploding and using demand for simpler and greater consistent experiences throughout assembly rooms of every bit of shapes and sizes,” referred to Puorro. “Plantronics is uniquely located to fulfill the market wants of their world valued clientele with a great and growing to breathe portfolio.”

    Puorro joins the Plantronics leadership team as the company is focusing greater closely on simplifying the conferencing event, despite the underlying UC platforms. A contemporary resolve conducted by way of Forrester Consulting on behalf of Plantronics discovered that video conferencing is growing in utilization, within the number of solutions, and in ordinary complexity for conclusion clients. actually, 74 p.c of IT determination makers and authorities relate video conference calls possess accelerated over the terminal two years, signaling a necessity for basic endpoints.

    Puorro brings with him 25 years of UC event, most currently at Cisco in the role of VP, Engineering and VP & GM of the Cisco Unified Communications technology community. because the VP, Engineering at Cisco, Puorro oversaw the business’s video and voice endpoints, including every bit of video telephones, telepresence, and Tandberg, and led Cisco’s acquisition of BroadSoft.

    Puorro assumes his role as executive vice chairman, GM, neighborhood systems valuable nowadays.

    About Plantronics

    Plantronics is an audio pioneer and a pacesetter in the communications business. Plantronics expertise creates wealthy, herbal, individuals-first audio and collaboration experiences so decent ideas may also breathe shared and heard—anywhere, on every occasion and besides the fact that children they occur. The business’s portfolio of built-in communications and collaboration solutions spans headsets, utility, desk phones, audio and video conferencing, analytics and features. Their options are used worldwide via patrons and organizations alike and are a number one alternative for every bit of types of workspace. For extra tips seek advice from plantronics.com.

    All logos are the property of their respective house owners.

    Plantronics Media Contact:

    Shannon ShamoonManager, corporate Communications+1 (831) 201-9142

    a photo accompanying this announcement is purchasable at http://www.globenewswire.com/NewsRoom/AttachmentNg/6d73dcf3-f3b0-457e-82d6-126d8e4f9628

     

    Santa Cruz, California, u.s.

    Tom Puorro_Headshot_Dec2018

    Tom Puorro joins Plantronics, Inc. as executive vice chairman, GM, community techniques.

    Plantronics, Inc.

    formats accessible:

    Plantronics.jpg

    codecs obtainable:


    the status We’re Going With Unified Communications | killexams.com actual Questions and Pass4sure dumps

  • post
  • A enterprise isn't an island. organizations possess to breathe in consistent communication with valued clientele, purchasers, providers, contractors, employees, companions, and extra — which potential agencies want complete communications techniques. at the birth of the decade, communications providers every bit of started providing unified communications solutions, which brought together voice, video, rapid messaging, e-mail, and other strategies right into a single, synchronous provider. It become a tons-obligatory revolution in commerce verbal exchange.

    advertisement

    Yet, seeing that then, conversation deportment has shifted. know-how is dramatically extra superior, and workforces are overwhelmingly mobile; typical unified features without problems now not cover modern enterprise communique wants.

    fortunately, this isn’t the conclusion of unified communications options. The trade is shifting alongside company and consumer behavior. read on to learn extra in regards to the future of unified communications.

    mobile capacity

    considering that their introduction, cellular instruments possess taken over the status of work. Many employers offer commerce cell devices to high-ranking leaders, for you to wait linked at any status they go. different personnel possess taken the initiative to accumulate their personal mobile tech. at terminal count, more than 42 % of agencies are executing a BYOD coverage, however 87 p.c of groups accept as upright with their personnel utilize personal contraptions for labor while away from the office.

    find it irresistible or not, the status of labor is going mobile — and communications must sustain. The unified communications solutions of the long elope should combine the gamut of cellular gadgets to breathe efficacious at uniting a personnel’s communications systems. Cisco Unified Communications systems already allows for cellular devices to access the corporate network, so organizations that vicinity a lofty priority on cell integration should soundless reckon transitioning to this revolutionary unified communications company.

    Cloud Compatibility

    The cloud is spreading into every nook of business, so it is going to breathe no surprise that unified communications has caught a whiff. Most unified communications providers present a bevy of cloud solutions — however now not every bit of of them are advantageous to every bit of organizations.

    for instance, startups could improvement from wholly cloud-based mostly communications, wherein case it is crucial that unified communications remain appropriate with different company purposes, enjoy customer relationship management options. meanwhile, higher businesses with based unified communications may decide on cloud communications features that officer more suitable agility.

    For corporations that possess yet to connect with the cloud, unified conversation programs present an attainable entry aspect. so long as company leaders find trustworthy communications suppliers with amazing, cozy clouds, there is miniature risk in trusting the cloud for communications options. in fact, the cloud can breathe the most efficacious communications device of the longer term.

    Collaboration tools

    because the carcass of workers is more cell than ever earlier than and since the cloud makes digital solutions fundamental, collaboration tools possess become vital for bringing teams together to achieve initiatives. applications enjoy Google doctors and Slack beget it more convenient to sort projects, brainstorm, and achieve tasks in organizations, however with out broader, extra bendy communications solutions, collaboration can nonetheless breathe a chore.

    consequently, unified communications solutions should deliver collaboration alternatives — or else breathe suitable with a firm’s present collaboration methods. Already, some communications providers present UCC, or unified communications and collaboration, which is software designed to coordinate collaborative efforts and communique tech. however, it's vital that commerce leaders remember the resources required by UCC solutions earlier than trying to add them to their communications infrastructure. UCC can region excessive stress on getting older networks, inflicting latency, lag, and infrequently community failure. UCC might breathe the future, however to achieve that future, some companies could exigency to supersede other features of their tech architecture.

    Scalability

    Scalability has long been a crucial situation linked to unified communications. although, now that the economic system is booming and corporations are growing, it's mainly captious that corporations equip themselves with communications options for you to proceed to serve them as they extend.

    unluckily, many commerce leaders harbor misconceptions involving scalability and unified communications. for instance, a all lot of leaders assume that every bit of communications options are infinitely scalable. here's most efficacious proper in theory; in apply, most techniques possess higher limits on the number of devices they could service. corporations that achieve money into an avow with out realizing these limits will either suffer downtime or blow funds upgrading to a novel device within the near future.

    Any time a company considers a novel solution, it should steadiness its present needs with its future projections. within the case of unified communications, here is very true. The future of unified communications is upon us, and businesses should soundless breathe able to construct bridges to these integral technologies — or perish, on my own, on their deserted islands.

    Jackie is a content coordinator and contributor that creates exceptional articles for themes enjoy expertise, enterprise, domestic existence, and education. She studied commerce management and is constantly constructing superb relationships with other publishers and the cyber web neighborhood .


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    Unified Communication for System Engineers

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    Architecting Cisco Unified Communications Manager 12.5 – An Evolutionary Tale | killexams.com actual questions and Pass4sure dumps

    Last week I was with many of their customers attending Cisco Live Barcelona. Barcelona is a wonderful example of a vibrant, contemporary city, the host of the annual Smart City Expo. Around the city, modern structures enjoy open Gehry’s Golden Fish (El Paix) and the Museu Blau (Herzog and de Meuron) blend with traditional Catalan gothic architecture and Antoni Gaudi’s brightly colored designs, inspired by nature.

    Perhaps the most eminent of Gaudi’s works is the Basilica de la Sagrada Familia. labor on the basilica started over 135 years ago. Construction has been continuous ever since, and today is approximately 70% complete. labor will continue until at least 2026. Unfortunately, Gaudi only lived to contemplate the completion of one of the impressive towers. But following his death, the project was not abandoned. Successive architects, sculptors and other tradesmen possess collaborated to continue towards his vision. Along the way, they possess embraced modern construction techniques and materials. The addition of each novel facade and tower, delighting visitors with novel experiences and transforming the city skyline. I can’t wait to Come back and contemplate how it has changed on my next visit.

    As an engineer, this got me thinking about parallels with the products I determine after. I am fortunate to breathe the latest engineering leader to possess responsibility for Cisco Unified Communications Manager.

    Over the past 20 years UC Manager has evolved. It has built on its enterprise IP telephony and voicemail heritage, to accommodate novel technology and novel ways of working. Instant messaging and presence, mobility, telepresence, virtualization and cloud collaboration, and much more possess every bit of been embraced. As a result, UC Manager is trusted by over 200,000 organizations to deliver secure communication and collaboration capabilities for their people and teams.

    And this week, Unified Communications Manager got even better. Release 12.5 is generally available now.

    A key objective for us in this release was to simplify administration and reduce your total cost of ownership. It is packed with features to beget administrator’s lives easier. Here are a few:

  • All Cisco Jabber and video endpoint* configuration can now breathe done directly from Unified CM’s administrator’s interface (no more XML files!).
  • You can manage Cisco Headsets* from Unified CM too, simplifying configuration management, inventory tracking, software upgrades, and more.
  • We reduced the time it takes to upgrade your Unified Communications Manager system by up to 50% with simple “one-touch” cluster-wide upgrades.
  • Provisioning novel phones has never been easier with secure on-boarding, using simple 16-digit or QR codes.
  • (*NOTE: Video endpoint and Headset management exigency Unified CM release 12.5 SU1, available April/May 2019)

    Of course, they didn’t forget about end-users. They created a more consistent sustain for extension mobility users. And they made Jabber mobile deployments more robust and feature rich. They also enabled interworking between on-premises Jabber IM&P and Webex Teams messaging. By the way – did you know that Jabber 12.5 also supports a novel “Team Messaging Mode”? It means you can utilize Unified Communications Manager for enterprise calling, and connect to the Webex team messaging service for next generation commerce messaging.

    As in every release, they strengthen their security capabilities. They added elliptic curve cryptography support, granular controls for cipher management, encrypted instant messaging archiving, and several other enhancements.

    There are dozens of things they could talk about, but you probably gain the point. Their strategy is to continue to provide outstanding on-premises solutions, at the identical time as they aggressively develop their cloud portfolio. They know hundreds of thousands of you, their customers, depend on it!

    Cisco Unified Communications Manager 12.5 has had the most rigorous testing. It is the highest character release for many years. I’m positive you are going to fondness it. But, enjoy the planners, architects and engineers who are driving the City of Barcelona and the Sagrada Familia forward, they are not done yet! In fact, they are already planning their next release. They are going to jump straight to “release 14” (any guesses why?).

    While they are soundless early on in the process, they are thinking about greatly improving their user interfaces, more seamlessly integrating to their cloud services portfolio, and increasing scale. I should probably not share much more, as roadmaps are constantly in flux. However, I would fondness to hear what YOU would enjoy to contemplate us doing next. Leave me your comments below.

    Share:


    LED lighting and control system design considerations | killexams.com actual questions and Pass4sure dumps

    Designers exigency to explore various approaches and requirements to lighting design as codes and standards are becoming more energy-conscious.

    Figure 3: A rendered example of parking lot lighting, with a brick walkway and great statues near a water tower for the City of novel Orleans. Courtesy: Stanley Consultants

    Learning Objectives

  • Review lighting control design requirements.
  • Explore the IES Handbook and ASHRAE benchmark 90.1.
  • Evaluate the modeling methods for lighting design.
  • As much as the previous generation of electrical engineers and lighting designers may contemn to admit, the days of multilamp T8 or T12 fluorescent fixtures—with 6- to 8-ft on-center spacings, accent wall sconces, multilamp chandeliers, and wiring line voltage switches—are no longer the norm.

    The energy-conscious standards, such as ASHRAE 90.1: Energy benchmark for Buildings Except Low-Rise Residential Buildings, International Energy Conservation Code (IECC), and California’s Title 24, possess made it more difficult to reckon specifying incandescent, most fluorescent, and high-intensity discharge (HID) fixtures in modern designs. The LED revolution also brings smart, plug-and-play-style lighting devices and control systems that minimize installation and commission time, resulting in a cleaner and smarter product for the client.

    The trade-off for this revolution is increased design times due to lighting-power density (LPD) restrictions per space, becoming more chummy with the various lighting control and networked systems offered by major manufacturers, and reviewing and designing to the applicable standards that many status and federal projects are now requiring.

    It can breathe a choice balancing act between meeting the required foot-candle levels, staying under the watts-per-square-foot LPD limits using an appropriate fixture, using the appropriate driver size, incorporating the required controls, and finally showing this in a lucid and concise manner on construction drawings so a contractor can decipher what it is you’ve tried to design. It is also an educational effort for installation contractors to verify that the fixture has the revise driver installed, as the fixture from the outside looks the same. It is no longer two, three, or four lamps that are effortless to distinguish.

    Figure 1: example of a schematic diagram and sequence of operation for lighting control in a private office that meets ASHRAE 90.1-2016. This pattern was modified from an original Acuity Brands light system diagram. every bit of graphics courtesy: Stanley Consultants

    Here are some generic principles to supervene when reviewing requirements for a novel construction or renovation lighting design project:

  • Most spaces now require more lighting controls than a simple on/off toggle switch. There are many control systems available that beget design and installation easier.
  • To meet the LPD limits of the novel ASHRAE 90.1 edition, IECC, or California Title 24, you’ll most likely want to utilize LED fixtures instead of more energy-intensive lighting options.
  • Overlighting a space can breathe as undesirable as underlighting a space. train to breathe within +/-10% of the target foot-candles typically institute in the Illuminating Engineering Society (IES) Lighting Handbook.
  • With so many options for LED lighting fixtures, even obscure architectural fixtures can breathe used and soundless meet codes.
  • Minimize glare from intensive computer screen areas by looking at circuitous and direct fixtures with shielding on the downlight side of the fixture.
  • Clients appreciate rendered 3-D images of their novel facilities showing the lighting within. With minimal effort, adding some miniature details and color can determine impressive. Three-dimensional-rendered models are not an option for every bit of consultants.
  • Standards driving design

    Two main standards driving the design of lighting and lighting control systems are the IES Illuminating Handbook (2011) and ASHRAE 90.1, Chapters 8 and 9 (2007, 2010, 2013, 2016). For military projects, the Unified Facilities Criteria (UFC) documents, such as UFC 3-530-01: Interior and exterior lighting systems and controls, with Change 3, also display requirements for what is expected in facilities. Various state, city, campus or client-provided standards also must breathe considered.

    The 2011 version of the IES Handbook provides recommended foot-candle levels for various indoor and outdoor spaces. It’s a noteworthy source for everything from a dormitory bedroom to an outdoor mechanical yard at a manufacturing plant. Unless the client has their own required foot-candle levels spelled out, they typically reference this as a source for lighting levels.

    ASHRAE 90.1, Chapters 6, 8, and 9, were developed to drastically reduce overall building energy usage by imposing strict controls to HVAC, lighting, and power.

    For lighting, ASHRAE 90.1 provides required LPD limits and control schemes for several common space types. Note that ASHRAE 90.1 has four versions listed above because status adoption of the benchmark varies and may reference one of those versions that are referenced. Each version becomes more strict, lowering LPD limits on spaces and increasing control requirements every bit of in the appellation of energy savings.

    If a building is pursuing LEED certification, the energy-model credit specifies a percentage lower than what is allowed in ASHRAE 90.1. To uphold slit building-wide energy usage, lighting designers can attempt to restrict their LPD as much as feasible by using more efficient fixtures to contribute to overall energy savings. As the LEED certification even goes up, so does the energy savings required in the building-wide energy model. For example, when ASHRAE 90.1-2007 applies, one could comfortably utilize typical multilamp 28-W fluorescent tube fixtures, line voltage switching, and other basic controls and soundless meet code. The 2010 version introduced automatic receptacle controls, drastically slit down the LPD limits, added occupancy- and daylight-sensor requirements, and added bilevel switching requirements, effectively expelling line voltage systems. These added control measures coerce the designer to completely reimagine how to control lighting.

    Figure 2: A rendered example of a locker leeway in a U.S. military gym facility. Adding lockers gives a more accurate calculation and visualization of the space.

    Lighting control design requirements

    The following is an overview of the basic lighting control requirements and devices to reckon during design and is by no means an exhaustive code review. There are many exceptions to unavoidable control requirements including 24-hour operation and security or safety concerns, among others. Exceptions should breathe cleared with the client prior to removing them from the design. Reference Chapters 6, 8, and 9 of ASHRAE 90.1 for more information, exceptions, and sequences of operation for specific space types. The control requirements and devices are:

  • Occupancy sensors are mounted in the ceiling or on a wall switch, available in passive infrared (PIR) or “dual-technology,” which incorporates PIR plus either a microphonics or ultrasonic sensor. PIR is limited to line-of-sight movement only, so it is not a cordial election in areas with lots of obstructions enjoy tall cubicle walls, great equipment, or restroom stall doors. Microphonics uses a tiny microphone to detect sound, while ultrasonic sensors emit high-frequency sound waves to detect motion. The sensors operate by turning on the lights in the space upon occupancy to a even determined in ASHRAE 90.1 and turning them off automatically after 20 to 30 minutes when unoccupied. Most space types in a commercial application, aside from mechanical/electrical rooms, require occupancy sensors.
  • Daylight sensors are mounted in the ceiling, ideally with lights between the sensor and a window. They operate by taking a reading of total available light in the space. Throughout the day, sensors dim the artificial lights to where the artificial light even plus the sunlight even in the space meets the programmed foot-candle either at the labor surface (generally 30 in. above the floor) or on the floor, depending on space usage. Per the 2016 version of ASHRAE 90.1, any space with windows or skylights and total lighting wattage in the sunlit region greater or equal than 150 W requires daylight-sensor control.
  • Automatic receptacle control was introduced in ASHRAE 90.1-2010 and consists of a relay pack that controls 50% of the electrical receptacles in the space. Let’s reckon two different ways how a private office with four duplex receptacles is controlled:
  • Two plenary duplex receptacles will breathe controlled.
  • The bottom (or top) receptacle on each of four duplex receptacles is controlled.
  • Controlled receptacles shall breathe marked with the International Power symbol per NFPA 70: National Electric Code (NEC), Article 406.3 (E). The receptacles can breathe tied to the operation of the occupancy sensor in the space or they can breathe incorporated into a scheduled time-of-day shutdown. In the case of occupancy sensor-controlled receptacles, they revolve on upon occupancy and revolve off after 20 to 30 minutes of being unoccupied. These receptacles are a cordial election to plug in noncritical loads, such as a desk lamp that may inadvertently breathe left on. (per ASHRAE 90.1-2016). A best practice is to bring this up early in the design process so clients are not blindsided.
  • Bilevel lighting control is a mode of having at least two sever lighting-output levels for a space, one of which may breathe automatic upon entry while the second is manual. A smart switch with plenary dimming capabilities also meets this requirement, provided the automatic operation is no higher than 50%. When an occupant enters the space, the lights Come on to 50% output automatically. If the occupant wants plenary light output, they manually hit the second-level button (or dimmer buttons) on the wall switch. This requirement is in status to preclude wasted energy on someone stopping in briefly and leaving immediately. For example, a janitor closet, where the janitor would open the door, grab a broom and leave, triggering the occupancy sensor. This requirement can breathe programmed into the system or breathe a pre-installed option on a relay pack.
  • Automatic HVAC shutdown is another requirement of ASHRAE 90.1 in Chapter 6. Typically provided on a building management system (BMS) time-of-day schedule, another option is to integrate HVAC operation in spaces with lighting control occupancy sensors. Many lighting control systems offer options for this integration. If the lighting control system sensor is used, the lighting controls notify the HVAC/BMS to revolve on in the space. When the occupancy sensor times out after 20 to 30 minutes, the signal is sent to the HVAC/BMS to revolve off or lower HVAC to the space, saving energy from running HVAC in an empty leeway for extended periods. There are various interface protocol options, and the election will depend on how the mechanical BMS is set up. A simple contact closure hard-wired to the BMS can breathe used from a per-room relay basis, or the preferred mode is to utilize a BACnet (or other) interface module that resides on the lighting control system network that converts the signal to the revise protocol for the particular BMS. Then logic is used for input into the spaces for HVAC control. Always treat with your mechanical engineer on the project to corroborate his or her preferred protocol. This strategy is typically used in most occupied spaces enjoy offices, conference rooms, control rooms, and split rooms.
  • Figure 3: A rendered example of parking lot lighting, with a brick walkway and great statues near a water tower for the City of novel Orleans. Courtesy: Stanley Consultants

    Once most states upgraded from the ASHRAE 90.1-2007 energy benchmark to the 2010 edition, the lighting industry produced more bright lighting control systems that met the novel standard. Several manufacturers offer a groundwork control system with 0 to 10 V-enabled dimming drivers for the fixtures and daisy-chained Power over Ethernet (PoE) Category-5e (CAT-5e)-enabled control devices including occupancy sensors, daylight sensors, and wall switches; every bit of controlled by a miniature dimming relay pack mounted above the ceiling. These connected devices can every bit of operate with minimal or no preprogramming.

    Various so-called smart-switch options supersede 3- and 4-way line voltage switching, as multiple zones can breathe controlled within the identical switch instead of having to wire multiple line voltage switches. These switches can embrace occupancy sensors, dimming buttons, and programmable scene buttons or they can even breathe a miniature graphic handle screen, which allows multiple scenes with added control options available. The smart switches are typically powered from the leeway controller through the category cabling, with devices containing 2-RJ45 ports. The touch-screen option may require an additional miniature power supply, depending on the manufacturer.

    With these system devices, they can easily incorporate HVAC and automatic receptacle control every bit of within the identical system. exigency emergency lighting fixtures via an NFPA 110: benchmark for Emergency and Standby Power Systems generator or UL 924: benchmark for Emergency Lighting and Power Equipment–listed lighting inverter system? There’s an emergency relay pack for that, too. Each space can operate lonesome on its own network or breathe tied together with several rooms. With just a few additional networking devices available from the lighting control manufacturer, the entire building’s lighting control can breathe connected on a lone network and feed back to a central control computer. Depending on the system options chosen, even a smartphone with protected credentials can control each individual light in an entire building.

    Some manufacturers are replacing 0 to 10 V dimming cables with CAT-5e or CAT-6 cables and powering the lights and dimming with the identical CAT cable. The possibilities are virtually unlimited and can breathe client-driven, resulting in a totally customizable system that meets client needs. Since most installations will not require overly complicated controls, these plug-and-play-style systems minimize contractor wiring and commission time.

    Figure 1, for example, shows a schematic of how a private office could breathe interconnected to every bit of the smart devices with CAT-5e cable and using 0 to 10 V dimming controls.

    Lighting–power density and foot–candles

    LPD, watts per square foot limits are provided by ASHRAE 90.1 and provide a framework of how many watts per square foot a fixture can utilize to light a space of a unavoidable size and type. The LPD ranges vary from very low for a janitor closet or storage leeway to much higher for a classroom or workshop. The limits are generally met easily with LED fixtures.

    Although ASHRAE 90.1 offers limits on specific space types, compliance operates on the entire building. The designer has the option to utilize the building method, a lone LPD for the all building based on the kind of building, or the space-by-space mode using different LPD limits for each space kind to reckon the total LPD.

    The designer can utilize the ASHRAE 90.1 Interactive Compliance configuration to incorporate the LPD limits to a total of allowed lighting watts for the building. Despite which mode is used, if the entire building’s actual lighting LPD even is lower than the allowed LPD, the designer is compliant. If using the space-by-space method, there’s no judgement to worry if one or two rooms are slightly over the limit. It is common to breathe 25% to 40% or more under the allowed watts for a great project with many different space types. This percentage savings below ASHRAE 90.1 becomes much more Important when designing for LEED projects, as previously discussed.

    Foot-candles are a measure of illuminance at a chosen horizontal plane in a space. Three main calculation plane heights they contemplate are at the floor surface for corridors and lobbies, at 30 in. for the desk even in office space, and 42 in. for mechanical space. Many different calculation planes are required for different space types and are described in the IES Handbook.

    Figure 4: A rendered example of a classroom in Texas, complete with desks, a podium, and an instructor. Lighting was direct/indirect fixtures with recessed can lights around the outside. This leeway had multiple control options and scenes for different teaching applications. Courtesy: Stanley Consultants

    Choosing the right lighting fixture

    There are many types of lighting fixtures and options to elect from to meet the needs of a space. reckon these factors when choosing fixtures:

    Communication: It’s Important to communicate with the mechanical engineer regarding the design temperature of an industrial space, especially at the ceiling, as heat rises. Some industrial fixtures possess different temperature ratings based on the distance they’re suspended from the ceiling. It’s also Important to reckon how the space will breathe used to avoid any feasible damage to the fixtures.

    Also reckon wire guard covers for the industrial areas and vandal-resistant lens covers or housings for the more public options. Typically, an industrial-style or outdoor fixture will possess these options available as an add-on.

    Location type: If the space is considered a hazardous location, it may breathe necessary to possess an appropriately sealed and UL-listed fixture for the classification of these types of spaces. Many manufacturers offer these rated fixtures, but they may breathe more expensive.

    Ceiling type: Is it a drop-in acoustic tile ceiling or gypsum board? The fixture you elect should breathe not only appropriate for the space but should minimize installation costs for a contractor. Installing recessed fixtures in gypsum board ceilings can augment construction costs considerably for a larger project. Try to elect a surface-mounted or suspended fixture if you possess gypsum board ceilings and the space doesn’t exigency recessed fixtures. An exception to this rule might breathe in restrooms, where you want a cleanly design. Recessed linear bare fixtures are a cordial concept in restrooms for this reason.

    Consider the LED Kelvin temperature rating (K-temp): This is a measure of the light’s color output, from a warmer orange to cooler blue with daylight at the terminate of the spectrum. Some examples of temperatures in lighting design are warmer high-pressure sodium fixtures (typically 2000 to 2200 K), typical office setting (3500 to 5000 K), and a cooler blue/white 6000+ K. Most LED fixtures possess several K-Temp packages for the identical fixture.

    Avoid mixing K-Temps and color rendering index (CRI) ratings, since both can occasions different effects regarding how items loom in color in a building unless the application calls for it. It can breathe disorienting to walk from a 4000-K office into a hallway that’s 2700 K and then into the kitchen where it’s 5500 K. If the project is a partial renovation, reckon matching the K-Temp to what is already installed to breathe consistent.

    Because of every bit of the current lighting options, it’s more difficult to reckon a contractor’s substitutions or other lighting options from another manufacturer. Previously, a two-lamp fluorescent was benchmark regardless of the manufacturer. Now it becomes more essential to list minimum lumen output and maximum wattage input in a fixture schedule. With strict LPD limits, it is imperative for manufacturer representatives providing substitutions to utilize due diligence and light modeling software to prove their proposed fixtures meet or outperform the basis-of-design fixtures.

    Three-dimensional modeling design

    Three-dimensional modeling of the building and spaces is crucial to confirming a design is accurate and code-compliant.

    There are a lot of options for light modeling software. Most major manufacturers possess photometric files for each of their fixtures, which can breathe downloaded and imported into your chosen software. These files limn how a fixture looks and performs in a real-world installation.

    The key to making a noteworthy 3-D design is adding in representations of actual objects in the space:

  • Large tackle enjoy tanks, generators, switchgear, pumps
  • Stairwells
  • Equipment racks in communications rooms
  • Lockers and great shelving
  • Restroom stall doors and shower curtains.
  • This is Important because, while the design of an empty leeway may meet code, there could breathe opaque areas once the space is populated with actual tackle and obstructions. Maybe the initial design failed to account for where the rows of motor control center sections were going to breathe placed, and now lights are installed directly above the equipment, rendering the design ineffective for the light placements. These problem areas are avoided by modeling planned obstructions if budget allows (Figure 2).

    Consider the fixture light-loss factor (LLF) when modeling. every bit of lighting fixtures possess a drop-off of applicable light output over time due to squalid lenses, reflectors, ballast or LED driver depreciation, and actual lamp-source failure. LED drivers and lamps attend to possess better performance toward their terminate of life than their predecessors. For a long time, a recommended LLF was 0.7 (70% of rated light output), but this was based around less-efficient fixtures and lamp/ballast sources with shorter life spans. When they model lighting designs, they want to model for the worst-case scenario. The worst case for light fixtures is at their terminate of life. The designer can adjust the LLF of the fixtures in modeling software so the output is reduced.

    By adding color and predesigned objects to specific areas of the modeled environment, the model can impress clients with actual reflectivity values. Adding something as minimal as green grass color to an outdoor lighting project can beget a big, gray, blocky model more realistic. For example, add yellow-colored generators, safety-yellow tackle pads, school-colored lockers, desks in a classroom, a wood floor on a basketball court, or people standing around to display scale. These beget a dissimilarity and clients appreciate the presentation.

    Figure 5: A rendered example of a secure campus with outer perimeter security lighting. Objects embrace a guard house at the lower left with barricades and floodlights, uphold facilities, and great storage tanks. Green grass and blue dumpsters were added for color and a car was added to display scale. Courtesy: Stanley Consultants

    Approaches to control systems and construction drawings 

    The easiest way to convey how a lighting system is designed to a contractor or a cost estimator is to standardize how to display these systems.

    As different clients and projects require different levels of detail, there are a couple methods that look to labor well.

    One approach is to provide a table with different sequences of operations (SO) and assigning leeway numbers to the proper SO section. For the plans, only display the lights, smart switch locations, and occupancy/daylight-sensor locations. This approach holds the contractor amenable for providing the appropriate relays and networking devices to achieve the assigned SO per leeway based on the selected template.

    A challenge with this approach is that it makes it difficult to provide an accurate cost estimate. If specifications aren’t taut enough, this may invoke several information requests from the contractor, or a change order. As a result, the engineer may breathe forced to signify every bit of the devices, prolonging the process, which also adds to the budget.

    Another approach uses the identical plan-drawing approach, showing only the major devices per room. However, this design is based on an actual lighting control system available from a major manufacturer. every bit of the devices necessary for the design could breathe accounted for in a table broken down by leeway on one axis and by device on the other axis. Provide modified typical wiring-schematic template plans in details for the various rooms in the project and allot the applicable leeway numbers to each schematic. Reference pattern 1 for an example.

    These schematic plans display an example leeway and its associated SO with the required relays, cabling types, and connections to the control devices and appropriate switches. This information is helpful for cost estimators and contractors to visualize the parts and labor that will breathe required for the project. Depending on the client, the designer can provide section numbers of the basis-of-design manufacturers or provide role appellation only (for example, dimming relay, wall switch with PIR, etc.). To avoid sole-sourced products, provide acceptable product options from different manufacturers that would breathe considered equal in performance and embrace notes allowing substitutions with prior approval to bid, providing the alternative system meets the SO for the spaces shown.

    Designers want to avoid mistakes and try to assume of everything that could Go wrong, but it’s hard to learn without experiencing the process a few times.

    For example, a common design approach in restrooms is to achieve wall-wash lights in the ceiling along the walls above sinks and toilets. In a recent project, 4-in.-wide LED bare fixtures were recessed in the acoustic tile ceiling along the walls. The owner was not gay with the lighting in the restroom because he could contemplate the wobbly, uneven tile labor on the walls. The solution was to jog the lights away from the walls to the next T-bar. In this case, it wasn’t technically the lighting that was the problem, but the tile contractor’s work. It’s something to reckon if there is intricate tile labor in restrooms or on other walls.

    LED lighting and control systems are evolving and becoming smarter each year. Designers exigency to wait current on lighting design options and methods while being code-compliant. Codes are becoming more stringent and software design is offering more options for deliverables. Coordinating with mechanical engineers is Important because the systems can now breathe interconnected. Tighten up fixture schedules and specifications to avoid headaches entertaining substitutions. This every bit of costs designers time, but the product is a long-lasting system that can determine noteworthy and beget clients happy.

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    Choosing the right unified communications system for you | killexams.com actual questions and Pass4sure dumps

    The unified communications (UC) market offers a variety of products and services that target organizations of every bit of sizes, from miniature businesses to great enterprises. Thanks to the continuously growing and demanding telecommunications market, the unified communications adoption rate has increased dramatically over the terminal five years, opening novel opportunities for existing and novel unified communications vendors.

    With so many vendors, options and features, choosing the right unified communications system for your enterprise can breathe difficult. This article will compare the top vendors in the UC market based on four Important purchasing criteria.

    Evaluating end-to-end services

    Only a few vendors actually offer end-to-end unified communications services, and yet those vendors who don't offer end-to-end services should soundless breathe considered in your buying decision. An end-to-end solution usually consists of the following elements:

  • IP phones
  • Network infrastructure, including switches, routers and firewalls
  • UC server or hardware platform, including rack server and hardware appliances
  • Applications or services, such as a softphone, summon manager server, instant messaging (IM), presence server and contact centers
  • End-to-end services can offer organizations significant savings in upfront costs since they are able to negotiate greater discounts for hardware, software and uphold services. On the other hand, many organizations feel an end-to-end vendor will lead to vendor lock-in, leaving miniature or no space for alternative services and upgrade paths in the future.

    Choosing the right unified communications system is becoming more knotty as vendors are continuously enhancing their solutions and introducing novel features.

    These concerns, to an extent, might breathe valid. However, an end-to-end vendor solution does not always quit the organization from seeking alternative vendor solutions for future upgrades or expandability needs. If your organization is considering an end-to-end solution, vendors such as Cisco Systems, ShoreTel and Alcatel-Lucent offer end-to-end UC and infrastructure services.

    Cisco's enterprise UC service includes its flagship call-control platform, Cisco CallManager accompanied by union Connection for messaging and voicemail, an IM and presence service, and Expressway server. Cisco also offers a compass of IP phones, switches, routers and VPN firewall devices to cover every bit of UC services for the intranet and extranet or mobile users.

    ShoreTel's end-to-end UC service includes its newly updated Connect ONSITE, the main call-control software, along with a desktop app for Web conferencing, IM and presence services; a mobility app for desktop-to-mobile extension; Connect Director, a complete configuration and management of the ShoreTel infrastructure; and Connect Edge Gateway for remote access for mobility clients and IP phone devices. ShoreTel's key ingredient for the platform is simplicity, making it effortless to configure and maintain the all UC infrastructure.

    Alcatel-Lucent's unified communications system consists of the OmniPCX Enterprise Communication Server, the main call-control server that offers numerous features. Additional services embrace OpenTouch Multimedia Services -- which embrace presence, IM and video conferencing -- and OpenTouch Session verge Controller, used to connect remote clients and terminate session initiation protocol (SIP) trunks.

    Alcatel-Lucent also offers OpenTouch commerce Edition, a UC solution targeting miniature to medium enterprises with up to 1,500 users.

    Organization size a key consideration

    Your organization's size is a key factor to selecting the right UC service. Each vendor's UC platform offers uphold for a specific amount of users and is usually designed around these limitations, which makes it very Important to decide on a UC service that offers the right capacity for your organization.

    Small to medium-sized businesses (SMBs) can breathe considered the luckiest, as they possess the flexibility to select pretty much any UC solution. Here are some unified communications systems targeted toward miniature to medium-sized organizations:

    Unify's OpenScape Enterprise Express is designed for organizations with up to 200 users, while  OpenScape commerce bumps the user uphold up to 1,500. Both products are highly capable of providing plenary UC services, including voicemail, IM, presence and mobility.

    Alcatel-Lucent offers OpenTouch commerce Edition -- a multimedia collaboration solution for organizations with up to 1,500 users. Alcatel-Lucent is also one of the few vendors with end-to-end solution coverage that includes the network infrastructure.

    ShoreTel's Connect ONSITE is a unified communications system that offers simple deployment and ongoing administration. Connect ONSITE supports up to 20,000 users, but also targets SMBs.

    NEC's UNIVERGE 3C can easily cover SMBs, thanks to its 30,000-user support. UNIVERGE 3C is a complete UC solution suitable for organizations that are experiencing continuous growth. UC services such as voicemail, IM, presence, video conferencing and mobility are tightly integrated into UNIVERGE 3C and its UNIVERGE 3C UC Client. The UC Client interface and functions are almost identical across every bit of platforms, making it effortless for users to labor on laptops and mobile devices.

    UC services for astronomical businesses

    Larger organizations are a bit more restricted in their choices, but soundless can select between vendors such as Cisco, Avaya and Microsoft.

    Cisco's Unified CallManager (CUCM) can uphold more than 100,000 users, while its union Connection messaging platform supports up to 20,000 users. Cisco's IM and presence service can scale up to 45,000 users in a CUCM deployment or 75,000 users in a non-CUCM design.

    Avaya's Aura Communication Manager can initially uphold 36,000 SIP endpoints, but depending on the deployment design, this pattern can jump to 250,000 users or 350,000 SIP endpoints, making it an keen solution for great multinational organizations seeking a lone UC solution. Similarly, Avaya's Aura Presence server begins its uphold with 16,000 users and is expandable to 250,000 SIP users; however, the Avaya Aura Messaging server can uphold up to 20,000 users.

    Microsoft is another astronomical player capable of delivering UC services to organizations with more than 100,000 users, thanks to its Skype for commerce Server -- a highly scalable solution comprised of Microsoft servers and third-party, Microsoft-certified peripherals, such as voice gateways and SIP phones.

    Alcatel-Lucent's OmniPCX Enterprise Communication Server can uphold up to 250,000 users. Unify's OpenScape Enterprise Voice platform scales to uphold up to 500,000 users, making it one of the largest deployments.

    On par with Unify's OpenScape, Mitel's MiVoice MX-ONE UC solution can also uphold up to 500,000 users. Mitel's UC suite includes MiCollab, amenable for presence, messaging and mobility; the MX-ONE Media Server, a software media gateway; and hardware media gateway units.

    Virtualization platforms and lofty availability

    Unlike VoIP PBXs, which mostly depend on proprietary hardware devices, UC solutions primarily elope on server-based hardware, which means redundancy and lofty availability are key factors for minimizing service downtime.

    Thankfully, vendors also understand this importance, which is why most vendors offer uphold for virtualization environments, such as Hyper-V and VMware, but also multi-server deployment models that provide load balancing and an augment of capacity. While every bit of vendors uphold multi-server deployment models, when it comes to virtualization it's a different story.

    If your organization works with both Hyper-V and VMware virtualization platforms, then selecting the right UC solution might breathe easier. On the other hand, some enterprises possess strict policies that coerce the utilize of a specific virtualization platform.

    ShoreTel's Connect ONSITE runs under the Windows Server operating system supporting both Windows 2008 R2 and Windows 2012 R2 editions, and both Hyper-V and VMware virtualization platforms. 

    NEC seems to supervene a similar philosophy, as its UNIVERGE 3C system runs under the Windows server operating system, supporting Hyper-V and VMware virtualization platforms.

    Alcatel-Lucent's OmniPCX enterprise service is based on the Linux operating system and delivered on the VMware ESXi virtualization platform. Unify's OpenScape Enterprise and Cisco's CallManager also elope under the Linux operating system and uphold the VMware virtualization platform.

    Mitel's MX-ONE UC solution uses benchmark hardware servers running the Linux SUSE operating system, but also supports VMware virtualization. Avaya's Aura Communication Manager runs on Red Hat Enterprise Linux and supports the VMware virtualization platform.

    Finally, Microsoft's Skype for commerce is offered under the Windows 2012 R2 operating system and is best elope in a standalone environment rather than a virtualized one.

    Vertical market software offerings and applications

    A UC platform is much more than just a smart VoIP telephony system. It's a system that enables organizations of any size to enhance their communications by allowing multiple forms of collaboration methods, such as phone, video and IM, no matter where they are around the world.

    At the identical time, the UC platform helps organizations deliver time and resources, thanks to advanced services such as integration with enterprise resource planning (ERP) systems, customer relationship management (CRM) software, and other captious systems.

    Vendors recognize the value that customers want out of a unified communications system, which is why many vendors offer application program interfaces (APIs) that allow organizations to build custom software to interface with their UC solution. Other vendors even develop software for specific plumb markets.

    ShoreTel is a prime example, as it offers several applications that enhance its Connect ONSITE platform by introducing extended functionality for many different industries. Here are some examples of the offerings:

  • ShoreTel Hospitality Connector, recommended for hotel customers, allows external systems to initiate username and call-handling changes to ShoreTel phones.
  • ShoreTel Outbound push IVR creates automated calling campaigns for different purposes.
  • ShoreTel Emergency Notification is for organizations that want to coordinate in-house response during emergency situations.
  • ShoreTel summon Recorder is for any organization requiring summon recording, storage and management.
  • Avaya's rendezvous development Platform provides organizations with the ability to integrate their applications with the Aura Communication Manager platform, extending their value and functionality. More information on Avaya's rendezvous development Platform can breathe institute on Avaya's website.

    Alcatel-Lucent has a number of applications that many organizations will find necessary for their OmniPCX Enterprise Communication Server or OpenTouch commerce Edition server:

  • OmniPCX Record Suite is pertinent for fiscal services, healthcare, hospitality, public safety organizations and more. It provides a complete tracking solution for customer interactions via summon recording, screen capture and coaching capabilities.
  • OpenTouch Notification Service is targeted for healthcare, education and high-risk industries. It aggregates alarms from various systems, such as nurse calls and fire alerts, and notifies the most appropriate person or group.
  • Soft Panel Manager is designed to uphold supervisors identify problems and optimize contact centers and customer service by displaying data and summon statistics.
  • Mitel offers a limited amount of applications, but their functionality extends to cover many industries:

  • Mitel CMG BluStar Web is a presence and activity platform that allows users to achieve smart-search directory services, click-and-dial, manage summon routing preferences based on their calendar and more.
  • Mitel InAttend provides a multi-featured attendant solution built on open standards to allow integration with various communications servers.
  • NEC offers a healthy number of applications that train to extend the UNIVERGE 3C UC platform and are worth taking a determine at:

  • UNIVERGE 3C for Hospitality provides hotels with numerous advanced services and features.
  • Call Accounting for UNIVERGE 3C helps liquidate phone abuse, toll fraud, provides detailed reporting, allocates summon charges to departments, plus much more.
  • UNIVERGE Appointment Reminder helps reduce missed customer appointments by automatically reminding them, helps market novel products and services, plus more.
  • More information on every bit of these vendors' applications is available on their respective websites.

    Finding the right unified communications system for you

    Choosing the right unified communications system is becoming more knotty as vendors are continuously enhancing their solutions and introducing novel features. breathe positive to beget the right conclusion based on which criteria are Important for your organization.

    Enterprises prioritizing end-to-end solutions will most likely prefer larger vendors such as Cisco, Alcatel-Lucent, ShoreTel, Avaya or Microsoft. Smaller enterprises would most likely capitalize from products enjoy Unify OpenScape, NEC UNIVERGE or ShoreTel Connect ONSITE. 

     



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