Search results
Results from the WOW.Com Content Network
An intermediate distribution frame (IDF) is a distribution frame in a central office or customer premises, which cross connects the user cable media to individual user line circuits and may serve as a distribution point for multipair cables from the main distribution frame (MDF) or combined distribution frame (CDF) to individual cables connected to equipment in areas remote from these frames.
The MDF is a termination point within the local telephone exchange where exchange equipment and terminations of local loops are connected by jumper wires at the MDF. All cable copper pairs supplying services through user telephone lines are terminated at the MDF and distributed through the MDF to equipment within the local exchange e.g. repeaters and DSLAM.
Telephone signals do not use a separate earth ground wire, but some urban exchanges have about 250,000 wires on their MDF. Installing and rewiring these jumpers is a labour-intensive task, leading to attempts in the industry to devise so-called active distribution frames or Automated Main Distribution Frames. The principal issues which stand in ...
IDF—Intermediate Data Format; IDL—Interactive Data Language; ... MDF—Main Distribution Frame; MDI—Multiple-Document Interface; MDM—Master Data Management;
Have you been keeping an eye on Mediagrif Interactive Technologies Inc’s (TSE:MDF) upcoming dividend of CA$0.10 per share payable on the 16 July 2018? Then you only have 2 daysRead More...
MDF: Main distribution frame Physical layer Glossary See also Structured cabling: MIB: Management information base (SNMP) Application layer RFC 3418 MII: Media-independent Interface Link layer MoCA: Multimedia over Coax Alliance Organization Multimedia over Coax Alliance: MPLS: Multiprotocol Label Switching network technology MTU: Maximum ...
In telecommunications, the term inside plant has the following meanings: . All the cabling and equipment installed in a telecommunications facility, including the main distribution frame (MDF) and all the equipment extending inward therefrom, such as PABX or central office equipment, MDF heat coil protectors, and grounding systems.
A meet-me room (MMR) is a place within a colocation center (or carrier hotel) where telecommunications companies can physically connect to one another and exchange data without incurring local loop fees. [1]