Notes
Outline
Network Communications
Chapter 10
Fast Ethernet (100Mb/s) Networking Technology
Fast Ethernet Protocol Stack
100BaseT4
100 – Speed
Base – baseband
T – twisted pair
4 – pairs
100BaseTX
X - 2 pair (or 1- rare)
UDP CAT5
MLT-3
4B/5B
100BaseFX
F - Fiber
Separate send & receive fibers
Repeater (or Hub)
Class 1
Larger internal delay
One per Fast Ethernet Segment
Interfaces 100BaseFX Û 100BaseTX
Class 2
Two allowed per segment
All nodes of the same type
Network Diameter
Maximum distance (UDP) between repeaters – 5 meters
No cable exceeds 100 meters
(check Hub specifications)
Maximum distance between switches
– 2000 meters (using fiber)
Expanding Network Diameter:
Using An Ethernet Switch