dslam

from The Free On-line Dictionary of Computing (8 July 2008)

Digital Subscriber Line Access Module
DSLAM

   <networking, hardware> (DSLAM, or Digital Subscriber Line
   Access Multiplexer) The generic term for the {Central Office}
   (CO) equipment where x{DSL} lines are terminated.  The
   multiple {DSL} signals may be {multiplexed} onto a {wideband}
   channel such as {ATM}.

   (2000-04-05)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DSLAM
       Digital Subscriber Line Access Multiplexer (DSL, ADSL)