Interfaces and Cabling

Question 1

Copper Cables

Answer 1

• Are used to transmit data
• Most modern networks use Unshielded Twisted Pair (UTP)

Question 2

Connecting UTP with RJ-45

Answer 2

• 4 pairs of colored wires
• 8 wires all together - 8 pins
• Pins 1 & 2 Transmit data
• Pins 3 & 6 receive data
• Gig Data send/receives on all 4 pairs of wires

Question 3

Two different Telecommunications Industry Association (TIA) wire termination standards

Answer 3

T568A
Compatible with ISDN
Transmits over W/G | G (PIN 1/2) and Receives W/O | O (PIN 3/6)

T568B
Transmits over W/O | O (PIN 1/2) and Receives W/G | G (PIN 3/6)

Question 4

Straight Through Cable

Answer 4

• Pinouts match each end
• Connect Dissimilar devices with a straight through cable.

Question 5

Crossover Cable

Answer 5

• Uses a different pinout standard at each end
• Connect similar devices with a Crossover cable.