Question

A small company connects data acquisition equipment to the serial port of a computer. The equipment user has reported that not all data is being received by the computer. A technician wants to check the serial communication between the equipment and the computer. Which tool can the technician use to troubleshoot the serial communication?

Answer 1

Answer: Loop-back plug

Explanation: Loop-back plug is the device that is used for the attaching the computer system so that loop-back test can be carried out. Data transmission's integrity is examined with the help of loop-back test.

The procedure is carried out by sending a signal by a circuit and then receiving the signal back to the sending device .This states about the uprightness of the signal.

As per the situation mentioned in the question, loop-back plug should be used by technician to check the issue by connecting the computer with the equipment.