As shown in the figures "A" and "B" of the illustrated RS-232 Synchronous Serial DB-25 connector, what pin is used as the common signal return path pin during serial communications? See illustration EL-0257.
A
pin 1
B
pin 2
C
pin 3
D
pin 7
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Question 1 / 205eccefa5bacbc34ba4d488ad
Question 1 of 205eccefa5bacbc34ba4d488ad
As shown in the figures "A" and "B" of the illustrated RS-232 Synchronous Serial DB-25 connector, what pin is used as the common signal return path pin during serial communications? See illustration EL-0257.
As shown in the figures "A" and "B" of the illustrated RS-232 Synchronous Serial DB-25 connector, what pin is used as the common signal return path pin during serial communications? See illustration EL-0257.