ISE Magazine, August 2019
59 NGDLCs delivering all legacy services while simultaneously providing emerging services For example there are NGDLCs that continue to add features and functionality to support ADSL VDSL G PON XGS PON and NG PON2 all from the same access platform that still support legacy services Project 4 911 redundancy and diversity for 911 call center access The FCC has imposed new network reliability requirements for Public Safety Answering Point PSAP call centers responsible for answering calls for emergency services They have done this to improve the resiliency of 911 networks To meet these federal requirements network operators are adding equipment redundancy and route diversity to central and remote offices where voice switches Digital Data Service DDS and databases exist Many service providers are turning to existing NGDLC equipment to ensure proper redundancy and diversity and these NGDLCs are already tested approved installed and operationalized with most North American 911 service providers This allows for a smart easy and cost effective access solution to satisfy the goals of the 911 PSAP redundancy and diversity architecture with the existing NGDLC footprint See Figure 2 Project 5 1 0 digital cross connect system DCS support DS0 specials will be around for some time Complicating matters is the fact that network operators still have large customers like the federal government who are not willing or ready to give up their ISDN or P Phone services The 1 0 DCS and D4 channel back assemblies CBA have historically been the workhorse for packing and grooming DS0 specials from A to Z locations Now much of this legacy equipment is underutilized and manufacturer discontinued It is best for service providers to de load and remove them from the central office This challenging situation can be remedied by using existing NGDLC systems that are already operationalized and fully supported as the replacement vehicle The NGDLC can be used to replace the 1 0 DCS and pack and groom the DS0s into DS1s The NGDLC can also act like a D4 CBA and Mux to pack and send DS0s directly to the end office This all can be accomplished at a central office remote office remote cabinet or customer premises See Figure 3 A Aerial has serviced the Communications Construction Industry since 1984 Products include Fiber Blowers Fiber Pullers Lashers Pole Line and Underground materials Featuring products from GMP Condux Maclean OshKosh Alumaform Bashlin Ripley RKI Gas Testers Jameson Tools Hubbell Dura Line Allegro Klein Tools Milwaukee Tools and many more AERIAL UNDERGROUND TOOLS MATERIALSClick or Call Today www linemen tools comTOOLSAERIALHARDWAREPlease Visit Us at ISE EXPO 2019Booth 605A AUGUST 2019
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