3Com NBX 100 Administrator's Manual page 462

462 G
LOSSARY
redundancy
REN
repeater
RMON
RJ-11
RJ-45
router
routing
screen POP
segment
In data transmission, this refers to characters and bits that can be
removed from a transmission without affecting the message. In data
processing and data communications, it means providing backup for
components so that if one of them fails, the system continues to run
without interruption.
Ringer Equivalency Number. A number that indicates how much power is
required by a telephone to make it ring. When connecting telephones to
a telephone line, the sum of the RENs of the telephones must be less than
the rated REN capacity of the telephone line.
A device that extends the maximum length of cable that can be used in a
single network.
Remote Monitoring. A facet of SNMP-based network management, the
RMON MIB (Management Information Base) defines the standard
network monitoring functions for communication between SNMP-based
management consoles and remote monitors. A typical MIB captures
information about a device, but RMON captures information about traffic
between devices.
A four-wire modular connector used by the telephone system.
An eight-wire modular connector used by telephone systems. The
eight-pin modular connectors used for 10BASE-T
RJ-45 connectors, but they have substantially different electrical
properties.
A network device that links LANs together locally or remotely as part of a
WAN. A network built using routers is often termed an internetwork.
The process of delivering a packet across one or more networks via the
most appropriate path.
SA System Appearance
S
A CTI term for a window that automatically opens on a user's computer
when a predefined telephone event occurs. For example, an incoming call
could generate a screen pop that lists
A LAN term meaning an electrically continuous piece of the bus.
Segments can be joined together using repeaters or bridges.
UTP cable resemble
caller ID information.