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about I2C solution for ATCA

Other Parts Discussed in Thread: TPS2480

hi dear supporting team,

customer has an application for ATCA architecture, there are front insert daughter card and rear insert daughter card in the system, and need do I2C communication btw them,  master is at front insert brd, 2 slaves in rear brd, they need support hot swap and high reliability,  do you have suggested solution/topology?  

front brd size: 32cm*28cm

rear brd size: 32cm*10cm

the connector is a 5G high speed connector. 

tks a lot!