CM312 Datasheet, PDF (50/56 Pages) List of Unclassifed Manufacturers – Communications utilityModule

Chapter 6 REFERENCE INFORMATION
This chapter contains reference information concerning:
• Ethernet References
• Types of Ethernet
• Types of Ethernet Cable
• Ethernet Frames
• IEEE 802 MAC Number
Ethernet References
To learn more about Ethernet, you might start with:
Charles Spurgeon’s Ethernet Website:
http:wwwhost.ots.utexas.edu/ethernet/ethernet-home.html
This site provides thorough overviews of 10 Mbps and faster Ethernet.
Types of Ethernet
There are three standard types of 10 Megabit Ethernet, of which 10Base-T is by far the most
common, and 10Base-5 is by far the least common.
Ethernet
Type
10Base-T
10Base-2
10Base-5
Nickname Data transfer
rate
“Cheapernet” 10 Mbps
“Thin” Ethernet
“Thick”
Ethernet
10 Mbps
10 Mbps
Topology
Star
Bus
Bus
Cable type
100 ohm UTP
(unshielded
twisted pair)
RG-58 coaxial
RG-11 coaxial
Maximum
Segment
length
100 m
328 ft
185 m
607 ft
500 m
1640 ft
CM312 Quad Serial utilityModule
40
RTD Embedded Technologies, Inc.