NetComm IP DSLAM - Manual (Page 69)

NetComm NCT240 Management Guide Release 1.0
A portion of the networking protocol that governs access to the transmission medium,
facilitating the exchange of data between network nodes.
MDF (Main Distribution Frame)
Equipment where outside telephone lines are terminated at a building or site.
MIB
An acronym for Management Information Base. It is a set of database objects that
contains information about the device.
MPOE (Minimum or Main Point of Entry)
The location in a building where cables from the telephone service provider are
terminated.
Network Diameter
Wire distance between two end stations in the same collision domain.
Private Branch Exchange (PBX)
A telephone exchange local to a particular organization who use, rather than provide,
telephone services.
POTS
Plain Old Telephone Service.
Redundant Power Unit (RPU)
A backup power supply that automatically takes over in case the primary power
supply should fail.
RJ-45 Connector
A connector for twisted-pair wiring.
Splitter
A filter to separate DSL signals from POTS signals to prevent mutual interference.
Switched Ports
Ports that are on separate collision domains or LAN segments.
Transmission Control Protocol/Internet Protocol (TCP/IP)
Protocol suite that includes TCP as the primary transport protocol, and IP as the
network layer protocol.
UTP
Unshielded twisted-pair cable.
ADSL
asymmetric data rate Digital Subscriber Line: A family of digital telecommunications
protocols designed to allow high speed data communication at data rates deliver data
rates up to 25 Mbps downstream and 1 Mbps upstream with corresponding maximum
reach 18K feet of 24 gauge twisted pair cable over the existing copper telephone lines
between end-users and telephone companies.
Virtual LAN (VLAN)
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