Distribution System means the system of wires and associated facilities between the delivery points on the transmission lines or the generating station connection and the point of connection to the installation of the consumers;
Centralized Message Distribution System or "CMDS" means the operation system that Local Exchange Carriers use to exchange outcollect and IABS access messages among each other and other parties connected to CMDS.
Centralized Message Distribution System (CMDS) means the industry-wide data collection system, which handles the daily exchange of message details between CMDS participating telephone companies (also known as CMDS Direct Participants). AT&T-21STATE is a CMDS Direct Participant.
Main Distribution Frame (MDF) means the termination frame for outside facility and inter-exchange office equipment at the CO.
Intermediate Distribution Frame (IDF means a second frame that augments an existing Main Distribution Frame. Lines or outside cables that do not terminate on the IDF.
Main Distribution Frame (MDF) is termination frame for outside facility and inter-exchange office equipment at the central office for DS-0 and DSL services.
Nuclear pharmacy means a pharmacy providing radio-pharmaceutical service.