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Subject: V.35,V.11,RS422-a,RS449 ????
Posted by: Zhang Lei
E-mail: z_l(at)990(dot)net(no spam)
I have just asked to design a serial board.They tell me to design a V.35 interface.
Someone said that it is compatiable to V.11.Others say that V.11 is compatiable with RS422-A.And some signal may be no useful and can be removed.
When I am surfing on the web,an engineer tells me that RS422-A is RS-449.
What a mass!
Could you tell me the difference and compatibility between these protocols?
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