Preamble Frame (DA, SA, DATA, FCS)

Burst #i
MAC
PCS
Preamble
/I/
/S/
Burst #i+1
Trailer Laser On/Off
24nsec
512nsec
SyncTime
Min192nsec
Preamble
Frame (DA, SA, DATA, FCS)
/D/
/T/R/R
/I/
Frame (DA, SA, DATA, FCS)
/S/
/D/
LASER
Fig 1: Between bursts. PCS trailer is the end sequence of a burst.
Burst #i
Preamble
MAC
PCS
/I/
/S/
Burst #i+1
Frame (DA, SA, DATA, FCS)
/D/
IFG
96nsec
/T/R/R/ /I/
Laser On/Off SyncTime
512nsec
Min192nsec
Preamble
/I/
LASER
Fig 2: Between bursts. IFG is the end sequence of a burst
/S/
Frame
/D/