OSP DSLAMs. Standing at the Ready

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1 OSP DSLAMs Standing at the Ready

2 Emerging Network Network Evolution The world of communications is ever growing. One only has to look at Apple s AppStore reports for Sept. 28, 2009, to get the picture: two billion apps have been downloaded by over 5 million iphone and ipod Touch consumers in little over one year. Today there are 350 million Facebook users more than the total population of the U.S., according to current data from the social networking site and the number keeps growing. These are only two small examples of the consumer s insatiable demand for communications and communications-related applications. Already traffic on the Internet exceeds 400 exabytes daily on a global basis for videos, social media, audiovisual content, and electronic literature access. The evolution of the network cannot and does not stop at voice, video, data and mobile networking. Carriers worldwide are teaming up with content providers, financing local productions and producing independent content with the ultimate goal of moving beyond the pipe and becoming total solutions providers. Because network services continue to grow, despite downturns in the economy, service providers must likewise grow their networks to support the growth in technologies such as IPTV/IP Video, Video-on-demand, video telephony, broadcast TV, online gaming, and music downloads. The delivery of these services requires digital, packet-based, high-bandwidth networks, which is imperative to the survival of today s service providers. The migration to the digital world has occurred over the past decade as service providers have transitioned from a pure pipeline service offering to a service offering that includes voice, video, data and mobile network elements. Service providers continue to examine ways to modernize and upgrade their wireline, wireless and broadcasting infrastructures to support our rapidly increasing digital economy. Service providers are uniquely challenged to keep up with the explosion of traffic that is invading their networks. While the current network is reliable, it has become strained. Fiber optic connections are the ideal solution for providing bandwidth, but deploying an all fiber solution is not always possible for a variety of reasons. As a result, many service providers are looking for alternatives to fiber that both deliver the bandwidth needed cost-effectively and within a short time to market. One of the most innovative solutions on the market combines the bandwidth carrying capacity of fiber with existing copper facility connections to the customer resulting in a cost-effective delivery solution optimized to meet both of these objectives. Turning to the Outside Plant (OSP) DSLAM for their network and service migration. With technology driving the need for more bandwidth, carriers must consider the business case for deploying these services. Fiber is a likely solution to increase speed and extend the reach of bandwidth to the customer. However, it is widely known and accepted that extending fiber to every customer is cost-prohibitive for most service providers. Conversely, copper connectivity is readily available to virtually every subscriber worldwide. Solutions that extend Fiber-to-the-Node (FTTN) and allow for high-bandwidth network services to overlay or use the existing copper infrastructure are a natural compromise to support these high-bandwidth services. Most service providers already have a limited number of fiber routes in their wire centers. Rather than extend the fiber plant all the way to the customer premises, which is not cost effective from either an infrastructure or time to market perspective, many service providers are turning to solutions such as FTTN. FTTN is an ideal compromise that leverages existing copper infrastructure while deploying high-bandwidth services to the end-user or business customer. Fiber 2 3

3 An Ideal Solution extends the reach to the node, allowing for shorter loop lengths and higher bandwidth utilizing existing copper to the premises. With technologies, such as Bonded ADSL2+ and VDSL2, customers do not have to compromise performance and bandwidth all in support of the evolving network and infrastructure. However, not all FTTN solutions are created equal. To achieve the desired loop length to all customers, many nodes must be deployed in the network. This can be costly and introduce delays in deployment. In addition, traditional FTTN solution deployments often include a separate cabinet containing a non-environmentally hardened digital subscriber line access multiplexer (DSLAM). This can make for a time and cost-intensive deployment. Other factors also increase the cost of traditional FTTN deployments: n Land and Site Preparation Land must be purchased or leased and prepared for the installation. A concrete pad is required along with trenching and conduits for access. Power is required at the site prior to the cabinet installation. n Cabinet and Installation The traditional deployment requires a cabinet, which houses the DSLAM, with an environmentally hardened enclosure with power supplies, cooling systems and cable management. These cabinets are not aesthetically pleasing and the noise produced from the cabinet as well as ease-of-access must be considered especially when deployed in residential areas. A crane is required to place the cabinet on the previously laid concrete pad during installation. This solution can cost up to $35,000 and take up to 45 days to install. The Outside Plant (OSP) DSLAM is the ideal solution for service providers looking to evolve their network and keep up with the growing demand for advanced communications services. With an OSP DSLAM, service providers are able to lower total cost of ownership and time to market because it is a completely self-contained, environmentally hardened, sealed enclosure that eliminates the cost, land considerations and need for a separate cabinet to be installed for FTTN applications. (See image 1) A sealed DSLAM represents an innovative approach to the successful deployment of (FTTN) architectures. Recognizing the technological and economic barriers of traditional cabinet-based DSL deployments, some manufacturers have designed standalone, weatherproof FTTN OSP DSLAMs to eliminate the need for expensive cabinet enclosures, heat exchangers and site construction, which account for a large portion of the total deployment cost. (See image 2) While cabinet-based solutions are well accepted, they are not always the right solution. Advocates of these solutions focus their arguments around lower electronics costs, but tend to ignore the impact of other associated deployment costs, which significantly impact total cost of ownership. OSP FTTN DSLAMs present a unique alternative to cabinet-based systems. While base costs (per port) may be marginally higher in some cases, the cost savings achieved through the elimination of expensive infrastructure elements such as cabinets, concrete pads and labor more than make up the difference, resulting in a total cost savings of more than two-thirds and an exponential decrease in time to market. As service providers continue to address the deployment of next-generation services, OSP DSLAMs will play a key role in shortening copper loops to enable service delivery. Because these platforms are robust enough to go anywhere in the outside plant giving service providers unmatched flexibility to deploy broadband services, they allow service providers to economically provide both legacy and next-generation services while providing a migration path toward the converged network architecture of the near future

4 Deployment Costs of Cabinet vs. Total Access 1100 Series Item Description Cabinet DSLAM Total Access 1100 Series Cost of Cabinet $35 None Cabinet Protection and Wiring Power System with Batteries Power Pedestal Concrete Pad and Pad Work $1 Integrated $1? Span Powering $ None $1 None Labor Cost $1 $ Cost of Crane $ None Permits and Right of Way $1 None Site Prop $1 None Shipping $1 $ Solutions Engineering Deployment Speed Revenue Losses Due to Installation Delays for Construction Cost of Land Purchase or Lease Total Deployment Cost $ $ Construction take more than a month Variable Variable $25,000 $35,000 1 Day None None $5,000 $7,000 *Deployment costs only. Cost of the electronics are not included. Cost of Deployment in $5,000 Increments In 5 Day Increments Equipment Cost Materials and Labor Cost Cabinet Deployment OSP Deployment Time to Market in Five Day Increments Figure 1 Total Cost of Ownership Cabinet OSP Figure 2 Potential Time to Market 6 7

5 Innovative OSPs OSP DSLAMs At-a-Glance n Optimized for delivery of ultra-broadband video, voice and data services over copper n Enable wireline carriers to cost-effectively reduce loop lengths in order to maximize the performance of VDSL2 and ADSL2+ access technologies n Enable delivery of broadcast and on-demand video service n Support the Quality of Service, multicast replication, and security features required for multi-service deployments n Multi-Gigabit Ethernet uplink capacity n Scalable n Field-proven mechanical design facilitates the rapid deployment of services and eliminates the need for expensive enclosures and heat exchangers n Flexible powering options (span, AC, and DC powering) n Passive cooling eliminates noise in residential deployments n Environmentally sealed and temperature-hardened design is tailored for deployment in extreme environmental conditions n Carrier-class reliability ADTRAN s Total Access 1100 Series broadband access systems represent an innovative approach to the successful deployment of FTTN architectures. Recognising the technological and economic barriers of traditional cabinet-based DSL deployments, ADTRAN designed standalone, weatherproof FTTN systems to eliminate the need for expensive cabinet enclosures, heat exchangers and site construction, which account for a large portion of the total cost of deployment. As service providers continue to address the deployment of next generation services, ADTRAN FTTN solutions will play a key role in shortening copper loops to enable their delivery. The flexibility and innovative design of the these systems allows service providers to use them to economically address both legacy and next generation services while providing a migration path toward a converged network architecture. The ADTRAN Total Access 1100 Series scale from 24 ports to 192 ports and are robust enough to go anywhere in the outside plant giving service providers unmatched flexibility to deploy broadband services

6 The Product At-a-Glance n Optimised for delivery of ultra-broadband video, voice and data services over copper n Enables wireline carriers to cost-effectively reduce loop lengths in order to maximise the performance of VDSL2 and ADSL2+ access technologies n Enables delivery of broadcast and on-demand video service n Support for QoS, multicast replication, and security features required for multi-service deployments n Multi-Gigabit Ethernet uplink capacity n Scalable from 24 to 192 ports per node n Field-proven mechanical design facilitates the rapid deployment of services and eliminates the need for expensive enclosures and heat exchangers n Flexible powering options (span, AC, and DC powering) n Passive cooling eliminates noise in residential deployments n Environmentally sealed and temperature hardened design tailored for deployment in extreme environmental conditions n Carrier-class reliability ADTRAN is an established leader in broadband access. From our contributions in the development of industry standards to our superior customer service and product quality, ADTRAN has always delivered system solutions with flexibility and longevity. Whether it is consumer market Internet access and HDTV or business-class Ethernet service delivery there is an ADTRAN system to support your network needs with the value you have come to expect

7 PWR ALM T1/E AL T1/E1 1-8 EXPANSION OUT A B -48V RET -48V RET USE COPPER CONDUCTORS ONLY! -48V...,3A ALARM CRAFT FAN MODULE L1 A Costly Deployment Cross Box DLC Remote Cabinet GE CO or RT EFM Aggregator ILL121A TOP:POTS BOTTOM: ADSL+POTS PORTS 1-24 TOP:POTS BOTTOM: ADSL+POTS PORTS ETHERNET > km Remote Node Total Access 1148-DM T 10+ Mbps ADSL2+ >75 3 km Integrated Fiber Uplinks Total Access 1148-DM T Crossconnect Crossconnect 10+ Mbps ADSL

8 A Costly Deployment

9 ADTRAN, Inc. International Department 901 Explorer Boulevard Huntsville, Alabama USA U.S. Headquarters fax International Customer Service voice Asia Beijing, China fax Hong Kong fax Asia Bangkok, Thailand fax Asia Singapore fax Australia/New Zealand Melbourne, Australia fax Australia/New Zealand Sydney, Australia Canada Montreal, Quebec fax Canada Ottawa, Ontario fax Canada Headquarters Toronto, Ontario fax EMEA Regional Headquarters United Kingdom fax Mexico/Central America/ Caribbean USA fax South America USA fax IN041A March Copyright 2010 ADTRAN, Inc. ADTRAN believes the information in this publication to be accurate as of publication date, and is not responsible for error. Specifications subject to change without notice. ADTRAN is a registered trademark of ADTRAN, Inc. and its affiliates in the U.S. and certain other countries.

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