TC Communications TC8518 T1, Руководство пользователя

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TC8518 Rev 2.2 User Manual Glossary-5
S
SFP
The Small Factor-Form Pluggable Transceivers (SFP) is a hot-swappable
input/output device that plugs into the Gigabit Ethernet port or slot, linking
the port with the network.
SNMP
(Simple Network Management Protocol) - A standard management protocol used
to provide a common means of managing network devices.
Single mode
fiber
An optical fiber that supports only one mode of light propagation above the cutoff
wavelength.
SP
Strict Priority. See WFSQ.
Subnet Mask
It is an IP address count prefix, that identifies an IP network. Each device within
the network has a common, designated IP address routing prefix. Usually used for
networks, this address is 255.255.255.0.
T
TCP/IP
Acronym for Transmission Control Protocol/Internet Protocol.
Telnet
It is a network protocol used on the internet or local area networks to provide a
bidirectional interactive communications facility. Typically, telnet provides
access to a command-line interface on a remote host via a virtual terminal
connection which consists of an 8-bit byte oriented data connection over the
Transmission Control Protocol (TCP). User data is interspersed in-band with
TELNET control information.
Tree structure
A tree structure is a way of representing the hierarchical nature of a structure in a
graphical form.
Router
Similar to a bridge but provides more complex and flexible networking support.
It usually also supports WANs.
RS-232
An interface used between DTE and DCE employing serial binary data
interchange, defined by EIA, aka. EIA-232. Similar to standard V.24 of CCITT.
RSTP
Rapid Spanning Tree Protocol. RSTP, as defined in the IEEE 802.1w, is an
evolution of the Spanning Tree Protocol (STP). It provides for faster spanning
tree convergence after a topology change and provides a loop free topology for
any LAN or bridged network.