Hitachi HF-W2000 58 Instruction Manual page 70

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TM
About Magic Packet
frames
TM
In a Magic Packet
frame, the SOURCE ADDRESS, DESTINATION ADDRESS (the MAC address of the
receiver or the MULTICAST ADDRESS including the BROADCAST ADDRESS), CRC, and the like must meet
the basic requirements of the LAN in use. The data in a Magic Packet
repetitions of the MAC address of the node. This sequence can be anywhere in the packet but it must follow a
synchronization stream. The synchronization stream is defined as 6 bytes of 0xFF. As long as the MAC address
that repeats itself 16 times targets the address of the equipment to be started, the device can receive a
BROADCAST frame.
The following figure is an illustration of a Magic Packet
DA
SA
Arbitrary data
Source Address
Destination Address
TM
FF...FF
Adr
...
16 repetitions of the MAC address
Synchronization stream
(6 bytes of 0xFF)
2-9
TM
frame consists of a sequence of 16
frame:
Adr
Adr
Arbitrary data
2. OPERATION
CRC

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