DACS (Digital Access Cross-connect System)

Synonymous with digital cross-connect system (DCCS

or DXC). A non-blocking, electronic common control (ECC) switch that serves to cross-connect digital carrier bit streams on a buffered basis by redirecting individual channels or frames from one circuit to another through an electronic cross-connect matrix. A DACS is much like a static switch in that connections can be changed to alter physical paths, on a semi-permanent basis, rather than a call-by-call or packet-by-packet basis. A DACS is akin to a digital, electronic version of a manual distribution frame, which can take the form of a main distribution frame (MDF) or intermediate distribution frame (IDF). See also ECC, IDF, MDF, non-blocking, and switch.

• LWPF (Low-Water-Peak Fiber)
• LZ (Lemple-Ziv)
• LZW (Lemple-Ziv-Welch)
• l’Conseil Européen pour la Recherche Nucléaire (CERN)
• l’Institut National de Recherche en Informatique et en Automatique (INRIA)
• m
• M
• M12 (Multiplex 1-to-2)
• M13 (Multiplex 1-to-3)
• M24
• MAC
• MAC bridge (Medium Access Control bridge)
• machine
• macrobend
• macrobend
• macrocell
• MAE (Merit Access Exchange or Metropolitan Area Exchange)
• mailbox
• mail transfer agent (MTA)
• mail user agent (MUA)
• main distribution frame (MDF)
• mainframe computer
• maintenance and administration terminal (MAT)
• make and break
• malware (malicious software)