LAYER 1 PHYSICAL
OSI MODEL DEFINITION
Manages putting data onto the network media and taking it off. Sends and receives bits.
Provides electrical, mechanical procedural and functional means for activating and maintaining the physical link between systems
CABLING TYPES

UTP cabling & Optical Fibre

TYPE MEDIUM MAX BANDWIDTH Max Cable Distance
10Base2     185 metres
10Base5 Thick Coax 10Mbps 500 metres
10BaseT Cat 5 UTP 10Mbps 100 metres
10baseFL MultiMode Fibre Optic 10Mbps 2000 metres
100BaseTX Cat 5 UTP 100Mbps 100 metres
100BaseFX MultiMode Fibre Optic 100Mbps 2000 metres
1000BaseT Cat 5 UTP 1000Mbps 100 metres
 
TIA/EIA 568-A Standards Commercial building telecommunications cabling standards
 
HARDWARE
Hubs a multi-port repeater that serves as the center of a star-topology network
Transceivers provides an interface between the AUI port and common layer 1 media
Repeater a device that regenerates and propogates electrical signals between two network segments
NIC (Network Interface Card) provides network communications capabilities to and from a computer system
   
   
   
   

 

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