...TOPIC : CASH FLOW ANALYSIS – SIGNAL CABLE COMPANY Introduction The Signal Cable Company is a cable manufacturer for analog and digital interconnects, speaker, video and home theater cables. It is located in Tarrytown, New York. The company is well known for “highest standard in quality and customer service” and their “superior design” and “No-Hype approach resulted in one of the best price/performance ratio in the industry”. After Signal Cable had enjoyed quite a run up in profits over the past few years, the management decided to enter in the fiber optic communications business. The market was growing, the demand increased and the competition was not too severe. Eventually, the company established two additional manufacturing facilities and increased its inventory to meet the needs. Current Situation Despite Signal Cable had enjoyed profits in past few years, the accounting statements showed a lower net profit margin. Furthermore, the cash balance and the stock price had fallen recently. Jay Smith, Assistant to the President, has now the challenge to prepare some feasible answers and suggestions for his boss, Joe Mathis, who has to inform the shareholders about the current situation. Questions of the Case Study 1. Why has the stock price fallen despite the fact that the net income has increased? A company’s stock price is depend on its demand and supply in the stock market. There are many factors to influence an investor’s decision of buying or selling the company’s...
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...Structure Problem Analysis Ryan 11/13/ Fiber optic cable was once reserved for high-performance needs, but today it’s turning up in all kinds of networks. If you’re familiar with copper cable, you’ll quickly discover that fiber optic cable is a completely different animal. Not only is the installation process different for fiber, but also the troubleshooting process. Fiber optic cable is also far more fragile than copper cable, so there are more potential causes of trouble. I’ll discuss common fiber optic cable problems and how to diagnose and repair them. The most common causes of fiber optic malfunctions Anyone who’s ever done network troubleshooting knows it’s a complicated process, so it’s helpful to know where to start looking for a problem. To help you make an educated guess about the cause of your network’s troubles, here are some of the most common fiber optic cable problems with their possible causes: * Broken fibers because of physical stress or excessive bending * Insufficient transmitting power * Excessive signal loss due to a cable span that’s too long * Excessive signal loss due to a contaminated connector * Excessive signal loss due to faulty splices or connectors * Excessive signal loss due to having too many splices or connectors * Faulty connection of fiber to the patch panel or in the splice tray Typically, if a connection is completely dead, it’s because of a break in the cable. However, if the connection is intermittent, there...
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...availability, the application layer must decide whether sufficient network or the requested communication exists.. (OSI_model#Layer_7:_application_layer) 2. Unshielded twisted-pair: UTP cable is a popular cable used in computer networking that consists of two shielded wires twisted around each other. In the image to the right, is an example of the different network cables you're likely to encounter. (/jargon/u/utpcable.htm) 3. Shielded Twisted-pair: Twisted Pair (STP) has a fine wire mesh surrounding the wires to protect the transmission; Unshielded Twisted Pair (UTP) does not. Shielded cable is used in older telephone networks, network, and data communications to reduce outside interference. In the picture to the right, is an example of what these cables look like inside. (jargon/t/twispair.htm) 4. Fiber-Optic cable: A fiber optic cable is a network cable that contains strands of glass fibers inside an insulated casing. These cables are designed for long distance and very high bandwidth (gigabit speed) network communications. (Mitchell) 5. Dark Fiber: Dark fiber refers to unused fiber-optic cable. Often times companies lay more lines than what's needed in order to curb costs of having to do it again and again. The dark strands can be leased to individuals or other companies who want to establish optical...
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...main closet MDF= the Main cross connect so MC or MCC IDF=ICC or IC or HCC or HC or VCC |Horizontal Cross connect| Location gives its function and name Physically no difference between an IDF and an MDF No running copper outside run fiber outside HCC is where you will find the users Must go MCC to ICC to HCC no ICC to ICC to HCC ICC has no Printers no application layer devices it is only connection to the HCC and MCC Can all come from one rack and closet if it must but it must still follow the standard Covered raceways needed in the work environment Open baskets in the locked closets Cross connect means different types of media where they mean is a transmit point Cables specified in 606 Phones usually were run by cat 3 Cat 5e and above is best for modern installs 200 out of coax cable Rg6 coax used in lab Fiber is more secure and maintenance is very low on fiber Closet standards are under 568-C Document EVERYTHING!!! Identify by room number not by name Identify in a boring manner FIBER Better quality Better security Better distance Harder to install Fiber patch panel is tight buffered Loose buffer is a jack Multimode 50 to 62.5 microns Single 6 to 10 microns Can make a crossover from fiber Optical repeater is a repeater for...
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...type of install is the cable going into? Is everything in a fixed position? If you have an install where items are moved around without being disconnected, using highly flexible cable is necessary. Cables in these scenarios need to be flexible to meet those demands of mobility, and also for the life of the wire so that it does not crack, break, fray or short. We had a job at a university where we moved flat panels on a track system to create different screen sizes, and for that we had to make sure the cable would meet the demand. Capacitance Cat 6 is not always better than Cat 5. If a video extender is made for Cat 5e, using Cat 6 may cause you a problem. The electrical properties are different, and the circuitry inside may not be able to reconcile the increased capacitance. You should confirm with the manufacturer before making a substitute in a Category cable. Jacket What type of jacket does your cable need? You have plenum, riser, PVC/non-plenum and direct burial. Plenum cable is often required in commercial work, especially in buildings where there are open-air returns; it is essential to meeting code. Integrators will often use riser grade at the riser, and then transfer to plenum in the plenum space. This saves some cost, but I recommend you second-guess saving that few cents per foot in most cases. The chances of mixing up a box of cable and pulling riser in the plenum space may increase your liability as a company or cause you to re-pull cable when the inspector fails...
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...VERIZON FIOS VS BRIGHT HOUSE TRIPLE PLAY Whether you're moving to a new area or you're just shopping for the best deal, it's smart to compare broadband providers. If you live in an area with both Verizon Fios and Bright House Networks then you've got a tough decision ahead of you. Having been a customer of both Verizon FiOS and Bright House Networks, I've created a simple comparison guide to help you make an informed decision. Verizon FiOS is the nation's largest fiber optic provider offering service to over 40 million people across the country. Verizon FiOS is known for it's blazing fast internet, thanks to it's state-of-the-art fiber optic cables technology. The biggest problem is it isn't available in all areas. Overall if you are looking for the fastest internet in your neighborhood Verizon FiOS is your choice, unless you want to pay $$$$ for a business class broadband connection. Bundle / Triple Play Pricing: Like most providers, Verizon FiOS offers bundle and triple play deals regularly. Fiber Optic Internet: Verizon FiOS offers some of the fastest broadband plans in the industry, with plans starting at 25/25mbps ranging all the way up to 500/500mbps, consumers are finally able to get "business quality" internet connections without paying thousands of dollars a month. Additionally, while most providers just advertise fast download speeds, Verizon offers symmetrical download speeds meaning that your upload speed is as fast as your download speed. This fact alone is almost...
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...Daniel Sersland Contemporary Business, 508 April 22, 2012 Introduction A profit-oriented company is a company that focuses solely on their bottom line. A social responsibly oriented company is cognoscente of their impact on society, first and foremost, yet they still maintain to make a profit. It may take a little longer for a social-responsibility oriented company to net profits, however, receiving acceptance from the public early on often provides greater return to those companies. Body I have chosen to focus on Comcast Cable as a profit-oriented business. While I could not find a company that openly admits to being solely profit oriented, I can’t help but classify Comcast Cable as being such. Ever since Comcast was founded in 1963 by Ralph J. Roberts, Daniel Aaron and Julian A. Brodsky, I have witnessed nothing but takeover after takeover. I often classify Comcast Cable as a monopoly and during recent research, it is evident that I am not the only one. By definition, a monopoly occurs when a single seller dominates trade in a good or service for which buyers can find no close substitutes. A pure monopoly occurs when a firm possesses unique characteristics so important to competition in its industry that they serve as barriers to prevent entry by would-be competitors. (Kurtz, D. 2010, p.78) I have recently learned of a local lawsuit that was filed against Comcast Cable, in which Comcast is being accused of attempting/intending to establish a monopoly in the Philadelphia...
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...A cable modem is a device that enables you to hook up your computer to a local TV line and receive data at about 1.5 Mpbs. This data rate far exceeds that of the prevalent 28.8 and 56 kbps of Integrated Services Digital Network (ISDN) and is about the data rate available to subscribers of Digital Subscriber Line (DSL). A cable modem can be added to or be integrated with a set top box that provides your TV set with channels for Internet access. A cable modem has two connections, one to the cable wall outlet and the other to a PC or to a set top box for a TV set. Cable modems typically uses a standard 10Base –T Ethernet card in the computer. All of the cable modems attached to a cable TV company coaxial cable line communicate with a Cable Modem Termination System at the local TV cable company office. The actual bandwidth for Internet service over a cable TV line is up to 27 Mbps on the download path to the subscriber with about 2.5 Mbps of bandwidth for interactive responses in the other direction. Many people who have cable TV can now get a high speed connection to the Internet from their cable provider. Cable modems compete with technologies like asymmetrical digital subscriber lines. In a cable TV system, signals from the various channels are each given a 6-MHz slice of the cable’s available bandwidth and the sent down the cable to your house. In some systems, coaxial cable is the only medium used for distributing signals. In other systems, fiber optic...
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...vs Digital Cable TV Comparison: Which One is Better? As a consumer, you should choose your service provider wisely which will benefit you in the long run. The cable TV arrived few decades ago and replaced TV Antennaswhen they were used for receiving the television transmission. The cable TV operators offered many channels and the set up includes huge dish shaped antennas that are placed on top of the cable operator’s office or house. Customers were able to get a connection by paying a deposit and a monthly subscription charges. This set up includes the laying of cables through narrow streets and pathways alongside buildings. Any disruption to service due to rain or other reason led to poor signals transmission. Around 90 million television analog signals in India will have to be converted into digital signals in four phases as per the Cable Television Networks (CTN) Amendment Bill 2011. India's four metros - Delhi, Mumbai, Chennai and Kolkata - will replace all analog television networks with digital transmission from July 1, 2012. After this, the target will be 38 cities with a population above 10 lakh each and finally the rest of India. This has led to a rush between multi-system operators (MSOs) and DTH operators, to grab business opportunities and acquire a large subscriber base. With digitization of cable services, cable operators need to carry only digitized signals. An STB for decoding in digital format is required to get these digitized signals. Cable operators will...
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...Satellite and cable television are becoming increasingly popular in many homes. Both of these technologies are allowing their viewers to watch their favorite network shows and sports events with ease. Though cable allows one to do this, satellite differs from cable greatly. The three main differences are picture quality, channel selection, and the monthly payment. Satellite television differs from cable because of the different types of methods used to transmit signals in order to have a better picture quality. Instead of using radio signals, cable television delivers signals by a house-to-house method using a conductive wire called a coaxial wire. Satellite television picture is better than cable’s picture quality because most cable companies use a technique called video compression. Satellite television use over-the-air signals that are generally better than compression because of the limited distance video compression can reach. Bad weather can temporarily make a satellite picture quality fade, but this is really the negative aspect of satellite’s picture quality. Satellite television also requires a dish and a receiver. The satellite dish is a special kind of antenna designed to focus on a specific broadcast source. The receiver, on the other hand, is box that connects to the satellite antenna and decodes information coming from the satellite dish into video and audio signals. High-definition television is also becoming very common with satellite and cable television. Unlike...
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...to keep it in place and suplement it’s poor performance with new tecnology. • New Technology- is there new technology available that can better support the companies needs and growth over the next 20 yrs. • Pros and Cons- what are the benefits of upgrading to a new topology and the negatives of upgrading. • Future exspansion- can the existing coaxial infratructure support the companies growth over the next 20 yrs. • Cost- how much will, it cost the company for initial upgrade and future growth. These are our recommendations: Your company currently has 20 workstations connected with coaxial cabling. The company wants to expand and double its size in the next 20 years. We recommend that you upgrade your cabling at the minimum to a twisted pair CAT5 or CAT6, preferably CAT6. Coaxial cable for network connections is obsolete and does not provide the performance or scalability to support a growing company. All though twisted pair cabling is a suitable choice for your company, we would also like for you to consider the possibility of using Fiber Optic cabling. Fiber Optic cabling would be our preferred choice for your company. The benefits of twisted pair cabling are that they reduce cross talk on multi pair cables. Twisted pair cables transfer balanced differential signals more efficiently than coaxial cable. Twisted pair cabling is easy to install, improves...
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...BGP: Border Gateway Protocol CATV: Cable Television CIDR: Classless Interdomain Routing CMTS: Cable Modem Termination System DSL: Digital Subscriber Line DSLAM: DSL Access Multiplexer HFC: Hybrid Fiber Coaxial IANA: Internet Assigned Number Authority IPS: Intrusion Prevention Systems ISP: Internet Service Providers NAT: Network Address Translation POP: Point of Presence RIR: Regional Internet Registries RJ-11: Registered Type Jack 11 SOHO: Small Office/Home Office Internet Service Provider: A company that provides Internet services, typically with two major parts: the ability for customers to access the Internet through the ISP, and the commitment by the ISP to maintain connections to all possible destinations in the Internet, either directly or indirectly. Internet Core: The part of the Internet created through network links between ISPs that creates the ability of the ISPs to send IP packets to the customers of the ISPs that connect to the core. Firewall: A networking function, implemented either as a standalone device or as part of an integrated device, that performs network security functions at the edge of a network. DMZ: A networking term borrowed from the real world, a demilitarized zone (DMZ) in a network is a part of a company’s TCP/IP network that hosts outside the company can access, with less restrictive security rules as compared to other hosts inside the company. Tier 1 ISP: A general category for an ISP in which...
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...that the company plans to double in size over the next two years, but she is weary of drastically changing the computing environment. My job as a recently hired consultant is to suggest and give a breakdown of a new system. Suggestion of Changes In Terms of the Current Network Type/Structure with the Benefits. I would advise the president to replace the current network setup to twisted pair cable. Coaxial cable carries high frequency signals along a single center conductor, whereas, twisted pair cable improves its electrical characteristics at a lower voice frequency and prevents signals from crossing into adjacent wires. It also allows the signal to travel longer distances. Reasoning for Suggesting Connecting All Current and New Client Computers Using Twisted Pair Cable Instead of Staying With the Current Coax Wiring Structure. Twisting two insulated wires together improves their electrical characteristics at a lower voice frequency and prevents signals from crossing into adjacent wires. It also allows the signal to travel longer distances. Coaxial cables carry high-frequency signals along a single-center conductor surrounded by a foil or braided copper shield. Coaxial cable has less loss than twisted pair, and the shield protects the signal from interference. There are two types of twisted pair cable, shield and unshielded. Unshielded twisted pair, or UTP is so closely identified with Ethernet implementations that it is often called “Ethernet cable.” This form...
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...The company is currently using a POTS system, where their local loop is communicating through their central office (CO) to the local exchange carrier (LEC). The local loop runs in a literal loop around the central office, hitting every customer along its loop. All points on the local loop where it touches a customer creates a Point-of-Presence (POP) for the customer’s equipment. From the LEC the signal hits another POP between the local carrier and the Interexchange Carrier (IXC), in order to provide long distance functionality. Every LEC will have to use a POP to communicate with an IXC for long-distance services. Cellphone technology has moved leaps and bounds since its inception. The first generation transmitted voice over an analog format, but as the technology advanced, it switched to a digital signal. In addition, after the abilities of a cell phone became clear, advancements were made in order to transmit data over the cell network. On the 2G networks there was only speed enough for very basic pages. Now, you can stream TV and movies over the 4G network. Network topologies are segments of a telecommunications network that are designed to distribute information to and from customers all over the world. The design of the topology is based on the distance from the customer and the purpose of the information being transmitted. The beginning point from the customer’s perspective is the demarcation point, or demark. This point is where the inside equipment for the site meets...
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...open standard. Hardware compatible with DVB-RCS technology are readily available in the market in both Ku-band and C-band. DVB-RCS is an international open standard for multimedia satellite network where the return data rates in access of 2 Mbps are possible using low cost user terminals. The forward ink is usually at 40 Mbps. Today, most satellite TV customers in developed television markets get their programming through a direct broadcast satellite (DBS) provider, such as DISH TV or DTH platform. The provider selects programs and broadcasts them to subscribers as a set package. Basically, the provider’s goal is to bring dozens or even hundreds of channels to the customer’s television in a form that approximates the competition from Cable TV. Unlike earlier programming, the provider’s broadcast is completely digital, which means it...
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