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RS485 network biasing question

Question asked by darciop76 on Feb 1, 2012
Latest reply on Feb 3, 2012 by ColmR

User ColmR explained in other thread that RS485 specification is not dependent on the supply voltage of the tranceivers. Is that still valid if we consider a RS485 implementation with two nodes, one operating at 3V3 and other at 5V, with a biasing circuit (3 resistors scheme; pull-up tied do either 3V3 or 5V) in a given node of this network?