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Shielded Twisted Pair
(STP) Cable Twisted-pair wire covered with an external aluminum-foil or woven copper
shield designed to reduce excessive noise pick up or radiation.
Simple Network
Management Protocol
(SNMP) The application protocol in the Internet suite of protocols which offers network
management services.
Spanning Tree Protocol
(STP) A technology that checks your network for any loops. A loop can often occur
in complicated or backup linked network systems. Spanning Tree detects and
directs data along the shortest available path, maximizing the performance and
efficiency of the network.
Switched Ports Ports that are on separate collision domains or LAN segments.
Terminal Access
Controller Access
Control System
(TACACS) An authentication protocol that uses a central server to control access to
TACACS-compliant devices on the network. A TACACS server can be
programmed with a database of multiple user name/password pairs and
associated privilege levels for each user or group that requires management
access to this switch.
Telnet Defines a remote communication facility for interfacing to a terminal device
over TCP/IP.
Transmission Control
Protocol/Internet
Protocol (TCP/IP) Protocol suite that includes TCP as the primary transport protocol, and IP as
the network layer protocol.
Trivial File Transfer
Protocol (TFTP) A TCP/IP protocol commonly used for software downloads.
Unshielded Twisted
Pair (UTP) Cable Cable composed of two insulated wires twisted together to reduce electrical
interference; used in common telephone cord.
Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision
domain regardless of their physical location or connection point in the
network. A VLAN serves as a logical workgroup with no physical barriers, and
allows users to share information and resources as though located on the same
LAN.
XModem A protocol used to transfer files between devices. Data is grouped in 128-byte
blocks and error-corrected.