User manual

Glossary

33002479 06 07/2008 379

server Provides services to clients. This term may also refer to the computer on which the

service is based.

SMTP Simple Mail Transfer Protocol. A common protocol used to transfer e-mail

messages.

SNMP Simple Network Management Protocol

socket The association of a port with an IP address, serving as an identification of sender

or recipient.

stack The software code that implements the protocol being used. In the case of the NOE

modules it is TCP/IP.

STP Shielded Twisted Pair. A type of cabling consisting of several strands of wire

surrounded by foil shielding, twisted together.

subnet A physical or logical network within an IP network that shares a network address

with other portions of the network.

subnet mask A bit mask used to identify or determine which bits in an IP address correspond to

the network address and which bits correspond to the subnet portions of the

address. The subnet mask is the network address plus the bits reserved for

identifying the subnetwork.

switch A network device that connects two or more separate network segments and allows

traffic to be passed between them. A switch determines whether a frame should be

blocked or transmitted based on its destination address.

TCP Transmission Control Protocol.

TCP/IP A protocol suite consisting of the Transmission Control Protocol and the Internet

Protocol; the suite of communications protocols on which the Internet is based.