bicsi information technology installation methods manual network media notes
https://en.wikipedia.org/wiki/Twisted_pair
https://en.wikipedia.org/wiki/Registered_jack
https://en.wikipedia.org/wiki/Modular_connector
https://en.wikipedia.org/wiki/Access_method
https://en.wikipedia.org/wiki/Routing_Information_Protocol
https://en.wikipedia.org/wiki/Small_office/home_office
https://en.wikipedia.org/wiki/Gigabit
https://en.wikipedia.org/wiki/Electromagnetism
https://en.wikipedia.org/wiki/American_wire_gauge
https://en.wikipedia.org/wiki/Category_6_cable
https://en.wikipedia.org/wiki/Category_5_cable
568a 568b
cable differention 1995 trouble 1-4
cat1 data cat3 data cat4 voice
cat5 voice data
same infratructure 1997
10/100 megabit per second
only had hubs
speed throughput voice and data dependent on multi access unit hubs before switches which allowed one hundred megabit throughput this is when they had coaxial nbc connectors like in a token ring network
early 200cat5e
there are now two different types cat5e 350 mhz gets up to a gig or 800-900 megabit throughput
cat6 and cat6a do ten and forty gigabit below 60ft six does a gigabit or about 800-900 megabit after sixa does ten gigabit after but the max length between drops is still 270 feet
before signal attenuation when max distance exceeds
and signal dies regular cat5 goes a little above two seventy feet
as long as youre within sixty feet of the patch panel you get full gig speed
cat6 has sixty feet anything past has about a gig
cat6a gets ten gig after sixy feet
any copper based cable has max length 270
signal attenuation rules the cabling wire schematics
garauntee of datagrams
tcpip has a three way handshake
send acknowledge send acknowledge at layer four of osi model like on a radio
address resolution protocol
data encapsulation
even you have signal attenuation there is a retransmit due to garauntee of datagrams
this is network overhead eats network card utilization and the number one cause of network slow down is retransmission
layer one physical media layer is super important
second issue is crosstalk exposed universal twisted pairs
they need to be shielded until they are terminated at the rj45 port connector
another issue is electrostatic discharge
https://en.wikipedia.org/wiki/Registered_jack
https://en.wikipedia.org/wiki/Modular_connector
https://en.wikipedia.org/wiki/Access_method
https://en.wikipedia.org/wiki/Routing_Information_Protocol
https://en.wikipedia.org/wiki/Small_office/home_office
https://en.wikipedia.org/wiki/Gigabit
https://en.wikipedia.org/wiki/Electromagnetism
https://en.wikipedia.org/wiki/American_wire_gauge
https://en.wikipedia.org/wiki/Category_6_cable
https://en.wikipedia.org/wiki/Category_5_cable
568a 568b
cable differention 1995 trouble 1-4
cat1 data cat3 data cat4 voice
cat5 voice data
same infratructure 1997
10/100 megabit per second
only had hubs
speed throughput voice and data dependent on multi access unit hubs before switches which allowed one hundred megabit throughput this is when they had coaxial nbc connectors like in a token ring network
early 200cat5e
there are now two different types cat5e 350 mhz gets up to a gig or 800-900 megabit throughput
cat6 and cat6a do ten and forty gigabit below 60ft six does a gigabit or about 800-900 megabit after sixa does ten gigabit after but the max length between drops is still 270 feet
before signal attenuation when max distance exceeds
and signal dies regular cat5 goes a little above two seventy feet
as long as youre within sixty feet of the patch panel you get full gig speed
cat6 has sixty feet anything past has about a gig
cat6a gets ten gig after sixy feet
any copper based cable has max length 270
signal attenuation rules the cabling wire schematics
garauntee of datagrams
tcpip has a three way handshake
send acknowledge send acknowledge at layer four of osi model like on a radio
address resolution protocol
data encapsulation
even you have signal attenuation there is a retransmit due to garauntee of datagrams
this is network overhead eats network card utilization and the number one cause of network slow down is retransmission
layer one physical media layer is super important
second issue is crosstalk exposed universal twisted pairs
they need to be shielded until they are terminated at the rj45 port connector
another issue is electrostatic discharge