Some combinations of physical layers and data transmission
protocols were considered in this study. Small formfactor
pluggable plus (SFP+) and quad small form-factor
pluggable plus (QSFP+) physical layers with optical MGTs
were selected; the optical MGT is required for long-distance
communication with electrical isolation from the sensor. For
Three FMCs were adopted for this study as indicated in
TABLE II.
TABLE II
FMC SPECIFICATIONS. SINCE FMC A AND FMC B IMPLEMENT ONLY A
PHYSICAL LAYER, USERS CAN SELECT WHICH PROTOCOL TO USE
FMC Physical layer Protocol
FMC A
FMC B
FMC C
SFP+ (4ch)
QSFP+ (2ch)
SFP+ wI IO-GbE PHY (2ch)
user
user
XAUI