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3 November, 01:08

What are minimum numbers of pins required for serialcommunication? Also write

their names?

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Answers (1)
  1. 3 November, 02:57
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    Serial communication are connected using 2 types of connector

    Explanation:

    The two types of connector for serial communication are:

    1. Nine pin connector.

    2. Twenty five pin connector.

    for 9 pin connector we have:

    pin 1 = data carrier detect

    pin 2 = received data

    pin 3 = transmitted data

    pin 4 = data terminal ready

    pin 5 = signal ground

    pin 6 = data set ready

    pin 7 = request to send

    pin 8 = clear to send

    pin 9 = ring indicator

    Here, the minimum number of pins can be pin 2,3 and 5 which are receive, transmit and ground signal to establish a communication without handshaking.

    The minimum number of pins actually depend on the type of software we use.
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