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Encyclopedia > DSLAM

A digital subscriber line access multiplexer, (DSLAM) is a multiplexer located in the telephone company exchange that provides consumers access to DSL services over twisted pair copper cabling.


The device separates the voice and data components from the subscriber lines and aggregates the data for sending over the network. The DSLAM usually aggregates lines at a contention ratio of 50:1 or 20:1.


  Results from FactBites:
 
Будущее - за Ethernet DSLAM (1556 words)
Современные устройства DSLAM относятся к оборудованию нового поколения, которое позволяет операторам подключать абонентов к сетям передачи данных, используя сетевые интерфейсы SDH, ATM и Ethernet.
С точки зрения аналитиков, совершенно очевидна тенденция роста популярности решений Ethernet DSLAM, что говорит о довольно скором вытеснении с рынка более старого оборудования ATM DSLAM.
Не лишним было бы отметить, что вторым элементом концепции Ethernet DSLAM является наличие на стороне абонента устройств, сходных по своей функциональности с устройствами для DSL-сетей, - привычными DSL-модемами.
DSLAM Market is Booming, Yet Highly Competitive (669 words)
Alcatel continued to be the dominant vendor of DSLAMs in all regions, except for the Asia-Pacific region (where they were the 2nd -leading vendor).
The deployment of DSLAMs in remote locations is growing as service providers extend their DSL footprint to reach more subscribers.
Another key driver for remote DSLAMs is the deployment of VDSL in Multiple Tenant Units (MTUs) in countries such as Japan and Korea.
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