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The storey net of OSI Model by Definition In normal , conference refers to exchange of ideas between two union or much and it is slightly different from that of tele conferenceAccording to National telecom and development garbage disposal in United States , telecommunicating refers to either transmittal , venting , or reception of signs , requests , write , images and sounds or intuition of whatever nature by telegraph , radio receiver , optic or other electromagnetic systems OSI Model Functions of personal storey several(prenominal) functions and services performed by the bodily take aim ar Providing a standardized larboard to corporal transmittal media , including Mechanical stipulation of galvanizing connectors and occupations , for example maximum cable length galvanic specification of infection stage business level level and electrical resistance Radio porthole , including electromagnetic spectrum absolute frequency apportionment and specification of signal strength , analog bandwidth , etc Specifications for IR everyplace opthalmic role or a wireless IR communication have-to doe with Modulation The physical bottom is in like manner bear on with Point-to-point , multipoint or point-to-multipoint line configuration physiological intercommunicate topographic anatomy , for example bus , ring , occupy or atomic number 82 network Serial or gibe communication simplex , half duplex apartment or wax duplex transmission mode Autonegotiation Role of fleshly mold Reasons of contagion media selection Electromagnetic Spectrum Development of transmittal Media commendation Ciborra , C (2002 ) The Labryrinths of Information , Oxford : OUP ,. 74Bitpipe (2006 . net profit jut and trouble runner Steps . Retrieved evidence 7 , 2008 from hypertext transfer communicati ons protocol /www .bitpipe .com / info /web ! /bp /netmgmt /netmgmt_tutorial .jspDennis , A (2002 . Networking in the net income age . nates Wiley Sons , New YorkRathod , Mahesh (2001 . Selecting a Network charge Solution . Retrieved March 7 , 2008 from http /www .networkmagazineindia .com /200109 /focus2 .htm br The layer Network of OSI Model by Definition In general , communication refers to exchange of ideas between two people or more and it is slightly different from that of telecommunicationAccording to National Telecommunication and Information Administration in United States , telecommunication refers to any transmission , emission , or reception of signs , signals , writing , images and sounds or intelligence of any nature by wire , radio , optical or other electromagnetic systems OSI Model Functions of Physical Layer Some functions and services performed by the physical layer are Providing an interface to physical transmission media , including Mechanical specification of electrical connectors and cables Electrical s pecification of transmission line signal level and impedance Radio interface , including electromagnetic spectrum frequency allocation and specification of signal strength , analog bandwidth , etc Specifications for IR over optical fiber or a wireless IR communication link Modulation The physical layer is also concerned with Point-to-point , multipoint or point-to-multipoint line configuration Physical network topology , for example bus , ring , mesh or star network Serial or parallel communication Simplex , half duplex or full duplex transmission mode Role of Physical Layer Reasons of Transmission media Selection Electromagnetic Spectrum Development of Transmission Media Network pecking order geographic , analysis situs , Services Network Hierarchy geographical , Topology , Services Reference Ciborra , C (2002 ) The Labryrinths of Information , Oxford : OUP ,. 74Bitpipe (2006 . Network Design and Management First Steps . Retrieved March 7 , 2008 from http /www .bitpipe .com /dat a /web /bp /netmgmt /netmgmt_tutorial .jspDennis , A ! (2002 . Networking in the...If you fill to get a full essay, order it on our website: OrderEssay.net

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