User's Manual
Chapter 4: Additional Information
52
Illustrationscontainedinthisdocumentareforrepresentationonly.
Glossary
10BaseT–Unshielded,twistedpaircablewithanRJ‐45connector,usedwithEthernetLAN(LocalArea
Network)."10"indicatesspeed(10Mbps),"Base"referstobasebandtechnology,and"T"meanstwisted
paircable.
Authentication‐Theprocessofverifyingtheidentityofanentityonanetwork.
DHCP(DynamicHostControlProtocol)–AprotocolwithwhichallowsaservertoassignIPaddresses
dynamicallytohostsonthefly.
DOCSIS(DataOverCableServiceInterfaceSpecifications)–Aprojectwiththeobjectiveofdevelopinga
setofnecessaryspecificationsandoperationssupportinterfacespecificationsforcablemodemsand
associatedequipment.
Ethernetcard–Aplug‐incircuitboardinstalledinanexpansionslotofapersonalcomputer.The
Ethernetcard(sometimescalledaNetworkInterfaceCardorNIC)takesparalleldatafromthecomputer,
convertsittoserialdata,putsitintoapacketformat,andsendsitoverthe10BaseTor100BaseTLAN
cable.
FConnector–Atypeofcoaxialconnector,labeledCABLEINontherearofthecablemodemthat
connectsthemodemtothecablesystem.
HTTP(HyperTextTransferProtocol)–Invisibletotheuser,HTTPisusedbyserversandclientsto
communicateanddisplayinformationonawebbrowser.
Hub–Adeviceusedtoconnectmultiplecomputerstothecablemodem.
IPAddress–Aunique,32‐bitaddressassignedtoeverydeviceinanetwork.AnIP(InternetProtocol)
addresshastwoparts:anetworkaddressandahostaddress.ThismodemreceivesanewIPaddress
fromyourcableoperatorviaDHCPeachtimeitgoesthroughInitializationMode.
Keyexchange‐Theswappingofmathematicalvaluesbetweenentitiesonanetworkinordertoallow
encryptedcommunicationbetweenthem.
MACAddress–Thepermanent"identity"foradeviceprogrammedintotheMediaAccessControllayer
inthenetworkarchitectureduringthemodem’smanufacturing.
NID‐NetworkInterfaceDevice,theinterconnectionbetweentheinternalhousetelephonewiringanda
conventionaltelephoneserviceprovider’sequipment.Thesewiringconnectionsarenormallyhousedin
asmallplasticboxlocatedonanouterwallofthehouse.Itisthelegaldemarcationbetweenthe
subscriber’spropertyandtheserviceprovider’sproperty.
PacketCable–Aprojectwiththeobjectiveofdevelopingasetofnecessarytelephonyspecificationsand
operationssupportinterfacespecificationsforcablemodemsandassociatedequipmentusedoverthe
DOCSIS‐basedcablenetwork.
PSTN(PublicSwitchedTelephoneNetwork)–Theworldwidevoicetelephonenetworkwhichprovides
dialtone,ringing,full‐duplexvoicebandaudioandoptionalservicesusingstandardtelephones.
Provisioning‐TheprocessofenablingtheMediaTerminalAdapter(MTA)toregisterandprovide
servicesoverthenetwork.