P-MAC packet media access controller PAD packet assembler-disassembler PCB printed circuit board PDS premises distribution system Personal Communications Personal communications provides at least one...
OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one...
NOC network operations center NOS network operating system NPA numbering plan area NSEP National Security Emergency Preparedness NTSC National Television System Committee NT network termination NAP -...
NBEC non-Bell exchange carrier NCP network control point NCTE network channel terminating equipment Network Control Point (NCP) In virtual private networks, the Network Contol Point is a centralized d...
Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic...
Microwave In telecommunications, microwaves are frequencies above 1 GHz. MIPS million instructions per second Modems (MOdulator/DEModulators) Modems are devices that transform digital signals generate...
MAAP maintenance administration panels MACSTAR multiple access customer station rearrangement MAC media access control or moves, adds, and changes Main Cross-Connects In a premises distribution system...
Loop Length Typically, loop length is a complete electrical circuit; the pair of wires that winds its way from the central office to the telephone set or system at the customer's premises. Loop Signal...
LAN (IEEE 802.3 10BaseT) LAN (Local Area Network) is an Institute of Electrical and Electronic Engineers specification for a class of LANs using four-pair unshielded twisted pair (UTP) cable. See Loca...
Key Telephone System (KTS) KTS is an arrangement of multi-line telephones and associated equipment that permits the station user to depress buttons (keys) to access different central office or PBX lin...
...
ISO International Organization for Standardization ITC independent telephone company ITU International Telecommunications Union IVR integrated voice response ILEC - Incumbent Local Exchange Carrier. T...
International Organization for Standardization (ISO) ISO is a worldwide federation of national standards bodies (ISO National Bodies). The work of preparing international standards is normally carried...
I-MAC isonchronous media access controller IDN integrated digital network IEC International Electrotechnical Commission Impairments Impairments is the (e.g., transmission channel and signal impairment...
Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i...
