Connecting to an Ethernet LAN

Network Interface Card

CISCO Fiber Optic GBICs

Unshielded Twisted-Pair Cable

RJ-45 Connectors

Straigh Through vs. Crossover

Cable Types:

1. Straight-through cable

•  same pin orientation on both ends
•  used to connect pc to switch and switch to router.

2.  Cross-over cable

• 1 & 3, 2 & 6 exchange pins on both ends.
• used to connect switch-switch (trunk connections)

3.  Rollover cable (console cable)

• all pins exchange positions
• used to connect to console port of router/switch to pc

UTP Implementation (Straight-through)

 UTP Implementation (Crossover)