Types of Network
- LAN
- WAN
- INTERNET
Types of LAN
- Client/Server
- Peer to Peer
Network Components
- Network Hardware
- Network Software
Network Hardware
- Network Interface Card ( NIC )
- Transmission Media
- Two or more Computers
- Network Devices
Network Software
- Network Operating System ( NOS)
Transmission Media
- Twisted Pair Cable
- Coaxial Cable
- Fiber Optic Cable
- Wireless LAN
TIA Standard (Telecommunication Information Association)
Twisted Pair Cable
- Unshielded twisted pair ( UTP)
- Shielded twisted pair ( STP)
UTP categories
a. CAT 1 used for telephone (1 pair)
b. CAT 2 4 MbPS for token ring (2 pairs)
c. CAT 3 10 MbPS for Ethernet (4 pairs)
d. CAT 4 16 MbPS for Fast Token Ring (4 pairs)
e. CAT 5 100 MbPS for Fast Ethernet (4 pairs)
e. CAT 5e 1 GbPS for Gigabit Ethernet
f. CAT 6 1 Gbps for Multi Gigabit
CABLE SPECIFICATIONS
Gigabit — 1000 BASE T — 1000MbPS
Fast – 10 BASE T – 10 MbPS Baseband Twisted Pair (100 mts)
Ethernet
a. 100 BASE T --100 MbPS --Baseband Twisted Pair (100 mts)
b. 100 BASE TX – 100 MbPS – Baseband (220 mts)
Connector RJ 45
STP Connector
RJ 45, RJ 11, RS- 232, RS -449
155 MbPS
Connections
- STRAIGHT THROUGH ( T568A – T568 A )
- CROSS OVER ( T568A – T568 B)
STRAIGHT THROUGH
T 568 A ---------------------------- T 568 A
- Green White (TX +) — Green White
- Green (TX-) -------------- Green
- Orange White (RX +) – Orange White
- Blue ------------------------ Blue
- Blue White ---------------- Blue White
- Orange (RX-) ------------ Orange
- Brown White ------------- Brown White
- Brown ---------------------- Brown
[1-3, 2-6 ]
CROSS OVER
T 568A -------------------------------T 568 B
- Green White [TX +] ------ Orange White
- Green [TX -] --------------- Orange
- Orange White [RX +]----- Green White
- Blue -------------------------- Blue
- Blue White ------------------ Blue White
- Orange [RX -] -------------- Green
- Brown White ---------------- Brown White
- Brown ------------------------- Brown
COAXIAL CABLE [RG /68]
- THIN NET [ 0.25 “]
- THICK NET [0.4 “]
CABLE SPECIFICATION
10 Base 2 Thin net 200 mts [6 mm]
10 Base 5 Thick net 500 mts [13 mm]
Connectors
BNC [BAYONET- NEILL-CONCELMAN]
It includes
T-connector
Parallel connector
Terminator
VAM PIRE TAP Standard Ethernet [thick net]
BNC Thin Ethernet
FIBER OPTIC
SPECIFICATION
1000 Base LX Long wavelength, Multimode [3 km] or Single Mode [100 km]
1000 Base SX Short wavelength,
10 Base F 2000 mts
FIBER OPTIC
Multi Mode used LED used in LAN’s
Single Mode used LASER used in telephone network
Connectors
- SC
- ST