Table of Contents
802.3 Packet Format
Introduce 802.3 Packet Format.
Elements of the MAC frame
Preamble
- Description
- 7-octet field used to allow the PLS (Physical Layer Signaling) circuitry to reach its steady-state synchronization with the received packet’s timing.
- Pattern
10101010 10101010 10101010 10101010 10101010 10101010 10101010
Start Frame Delimiter (SFD)
- Description
- It immediately follows the preamble pattern and indicates the start position of the MAC frame.
- Pattern
10101011