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Chapter 1

Table 1-2. Ethernet Cabling Types
Type of CablePinoutsKey Pins Connected
Straight-through  
Cross-over  


Table 1-3. Ethernet Header Fields
FieldDescription
Preamble (DIX) 
Preamble and Start of Frame Delimiter (802.3) 
Type (or Protocol Type) (DIX) 
Length (802.3) 
Destination Service Access Point (802.2) 
Source Service Access Point (802.2) 
Control (802.2) 
Organizationally Unique Identifier (SNAP) 
Type (SNAP) 



  

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