ABB SM3000 User Manual

Also see for SM3000: User guide Replacing Instructions Installation instructions Instructions User guide

ABB SM3000 User Manual Manual pdf 129 page image

127APPENDIX 4 – ETHERNETA4.5 Glossary of TermsThe following terms have specific meanings within the Ethernetenvironment:10BaseTA definition of the cable type and transmission rate of thenetwork. The '10' represents a transmission rate of 10Mbpsand the 'T' for unshielded twisted pair cable.100BaseTA higher speed version of 10BaseT with a transmission rateof 100Mbps.ARPAddress Resolution Protocol. Converts between IPaddresses and MAC (hardware) addresses on the network.Default gatewayThe IP address of the gateway (router, switch etc) that isused to communicate with other networks.FTPFile Transfer Protocol. A TCP/IP suite application thatprovides an efficient and reliable means of transferring filesbetween a remote server and a client.HTTPHyperText Transfer Protocol. Used for the transfer of webpages.ICMPInternet Control Message Protocol. An Internet protocol sentin response to errors in TCP/IP messages. It is an errorreporting protocol between a host and a gateway.IP addressInternet Protocol address. This is the unique address givento each computer on a TCP/IP network (including theInternet).LANLocal Area Network. A group of computers and associateddevices that share a common communications line orwireless link and, typically, the resources of a singleprocessor or server within a small geographic area (forexample, within an office building). Usually, the server hasapplications and data storage that are shared in common bymultiple computer users. A LAN may serve as few as two orthree users (e.g., in a home network) or as many asthousands of users (e.g., in a large office).MAC addressMedia Access Control address, also called the hardware orphysical address. This is a unique address given to eachEthernet interface that is used in an Ethernet packet toidentify the source and destination of the data being sent.Open systemA system conforming to specifications and guidelines thatare 'open' to all. This allows any manufacturers' equipmentthat comply with these standards to be usedinterchangeably on the standard network.RouterLinks a local network to a remote network. For example, yourcompany's network probably uses a router to connect to theInternet. Can be used to connect a LAN to a LAN, a WAN toa WAN, or a LAN to the Internet.Subnet mask (or Sub-Network Mask)A mask used to determine what subnet an IP addressbelongs to (an IP address has two components, the networkaddress and the host address).TCP/IPTransmission Control Protocol/Internet Protocol. Thelanguage all computers on the Internet, LANs and WANs useto communicate with each other.UTPUnshielded Twisted Pair. The type of wire that is used in10BaseT Ethernet communications.WANWide Area Network. A geographically dispersedtelecommunications network. The term distinguishes abroader telecommunication structure from a local areanetwork (LAN). A WAN may be privately owned or rented,but the term usually implies the inclusion of public (shareduser) networks.