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We know already know pin 3 is D(A) and pin 7 is D(B) which of these are transmit and received of ATV28 communication port, ? My best regards Alvin

Goals and Symptoms

We know already know pin 3 is D(A) and pin 7 is D(B) which of these are transmit and received of ATV28 communication port, ? My best regards Alvin

Facts and Changes

ATV28 communication port

Causes and Fixes

ATV-28 ie08
( <= Sept 2001
1 - n.c.
2 - 0v
3 - D(B)
4 - 0v
5 - D(A)
6 - 0v
7 - 10v
8 - 0v

ATV-28 ie10
( > Sept 2001 )
1 - n.c.
2 - 0v
3 - D(B)
4 - D(B)
5 - D(A)
6 - 0v
7 - 10v
8 - 0v

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