MCSE Notes Lecture # 1: Hardware Requirement for a Network



  • Latest Technique
  • Wireless Communication
  • No need of line of sight
  • Transmission range is 12-15 feet
  • Speed is better than Infrared

Method 6 (Modem to Modem):

  • On Sender / Server side configure Dial-up Setting
  • On Receiver / Client side configure Dial-in Setting

Method 7 (NIC Card to NIC Card):

  • Cross Cable will use for connectivity between two NIC Cards.
  • If computers are more than two then Switch / HUB (Hybrid Universal Bus) will used as a Central device between computers.
  • Straight Cable is used between Switch / HUB and Computer (b/c in switch / HUB 1&2 Cable is for Receive and 3&6 Cable is for Transmit).

CABLE CONFIGURATIONS:

Configuration of a Cross Cable:

SIDE A SIDE B
Cable # Color Cable # Color
1 White-Orange 1 White-Green
2 Orange 2 Green
3 White-Green 3 White-Orange
4 Blue 4 Blue
5 White-Blue 5 White-Blue
6 Green 6 Orange
7 White-Brown 7 White-Brown
8 Brown 8 Brown
Cable between two Computers
Cable between two Ports of Switch / HUB
Cable between two Up-Link Ports of Switch / HUB
Configuration of a Straight Cable:
SIDE A SIDE B
Cable # Color Cable # Color
1 White-Orange 1 White-Orange
2 Orange 2 Orange
3 White-Green 3 White-Green
4 Blue 4 Blue
5 White-Blue 5 White-Blue
6 Green 6 Green
7 White-Brown 7 White-Brown
8 Brown 8 Brown

Cable between Switch / HUB and Computer

Cable between Up-Link to any other Port of Switch / HUB

MDI (Media Dependent Interface):

  • Uplink standard is called MDI.
  • Uplink port and connected port are basically one port.
  • MDI / MDI.x standard is used in modern switches.
  • MDI / MDI.x standard use to convert cable combination as per requirement.

Un-Shielded Twisted Pair Cable (UTP):

  • Common types are

CAT 5(Width = 27 awg, Twist = 5-7 per inch) o CAT 5e(Enhanced Version)

CAT 6 (Width = 24/25 awg, Twist = 7-11 per inch)

  • Voltages can drop due to resistance of copper wire.
  • If number of twists is more then more security of data.
  • Outer cable is called “Ring Cable” and inner cable is called “Tip Cable”.
  • Ring cable protects the tip cable.
  • For Tx, Rx wires will use in pair format.

 

 

 

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