Extel Communications - expandsl Central Office DSLAMs

In areas where there is low or uncertain demand for DSL, it may not be economical to install a traditional DSLAM. Even a 24-port DSLAM may represent a relatively large initial investment. To complicate things further, some cabinets may be so full that there is no room for a traditional DSLAM.

Extel solves this granularity with a very small fully self-contained 8-port DSLAM. The low cost of this DSLAM instantly turns the business case positive for many remote cabinets and small Central Office locations, with profit generated from the first unit being used to fund further growth.

Furthermore, the small dimensions of the C8as allow it to be mounted in locations where 24-port "pizza-box" DSLAMs will not fit. The C8as utilizes the latest DSL chipsets that minimize power consumption and hence radiated heat. So little heat is radiated that the C8as requires no fans, while maintaining full -40C to +65C operating range. This means that the C8as can be deployed in locations where the temperature is already an issue for existing equipment, and hence the heat dissipation of additional equipment is a concern.

With a much lower initial Capital Expenditure than a 24-port DSLAM, the business case for DSL-enabling many cabinets and small COs just turned positive.

Features

· Very small size, low power consumption, and mounting flexibility suits   hot, congested locations
· Highly scalable port count by use of backhaul aggregators
· Highly scalable backhaul capacity
  - Integrated T1/E1 and Ethernet ports
  - Other backhaul options via Backhaul Aggregators
· Integrated POTS splitters
· Fully temperature hardened without any moving parts
· Remote download capability and re-programmable DSL transceivers
· Easy migration to all-IP with integrated Ethernet port
· Able to be Remotely upgraded to ADSL2 & ADSL2+*
· Advanced Java-based Element Management System

* Via remote software download

Benefits

· Very low initial Capital Expenditure to add DSL to a small CO or DLC   cabinet, then “pay as you grow”
· Profitably expand ADSL coverage into areas where DSL demand is low   and/or uncertain
· Achieve ADSL coverage targets with less budget, or expand ADSL   coverage with the same budget
· Satisfy customer demand for high-speed Internet Access

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