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Meridian Digital Telephone IP Adapter Installation and Administration Guide 211
October 2001 Glossary
RJ-45 Connector
An eight position, eight conductor modular jack used for data transmission over
a standard telephone wire. The RJ-45 jack provides the 10BaseT Ethernet
connection.
ROM
Read-Only Memory. This is the computer memory that data has been
prerecorded on and cannot be removed from.
router
A device that connects two LANs. Routers are similar to bridges but provide
additional functionality, such as the ability to filter messages and forward them
to different places based on various criteria.
RTC
See real-time clock.
S
SCA
See single connector architecture.
second-level threshold
The value used in display thresholds that represents the highest value of the
normal range for a given statistic.
security identifier
The remote unit sends the branch office security identifier (password) to the
RLC for each connection request. The RLC matches the identifier configured for
the RLC port. When it finds a match, it grants access to the port and allows the
call to proceed.
sequenced packet exchange
A transport layer protocol (layer 4 of the OSI Model) used in Novell Netware
networks. The SPX layer sits on top of the IPX layer (layer 3) and provides
connection-oriented services between two nodes on the network. SPX is used
primarily by client/server applications.