SIGNAL DETECTION APPARATUS FOR SAS DEVICES
First Claim
1. A signal detection apparatus for a serial attached Small Computer System Interface (SAS) device, signal detection apparatus comprising:
- a detecting board;
an SAS female connector mounted on the detecting board to be connected to a SAS device, the SAS female connector comprising a first group of ground pins, a first group of data receiving pins, a first group of data output pins, a second group of ground pins, a second group of data receiving pins, a second group of data output pins, and a first group of power pins;
an SAS male connector mounted on the detecting board to be connected to a system, the SAS male connector comprising a third group of ground pins, a third group of data receiving pins, a third group of data output pins, a fourth group of ground pins, a fourth group of data receiving pins, a fourth group of data output pins, and a second group of power pins; and
first to fourth pairs of subminiature version A (SMA) connectors mounted on the detecting board;
wherein the first group of power pins are connected to the second group of power pins, the first group of ground pins are connected to the third group of ground pins, the first group of data receiving pins are connected to the third group of data receiving pins, the second group of ground pins are connected to the fourth group of ground pins, the second group of data receiving pins are connected to the fourth group of data receiving pins, the first group of data output pins are connected to the first pair of SMA connectors, the second group of data output pins are connected to the second pair of SMA connectors, the third group of data output pins are connected to the third pair of SMA connectors, and the fourth group of data output pins are connected to the fourth pair of SMA connectors; and
wherein when the first pair of SMA connectors is connected to an oscillograph to detect a pair of output signals from the SAS device, the second pair of SMA connectors is connected to the third pair of SMA connectors to communicate the SAS device with the system;
wherein when the second pair of SMA connectors is connected to the oscillograph to detect another pair of output signals from the SAS device, the first pair of SMA connectors is connected to the fourth pair of SMA connectors to communicate the SAS device with the system.
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Abstract
A signal detection apparatus for a serial attached SCSI (SAS) device includes an SAS female connector to be connected to a SAS device, an SAS male connector to be connected to a system, and first to fourth pairs of subminiature version A (SMA) connectors. When the first pair of SMA connectors is connected to an oscillograph to detect a pair of output signals from the SAS device, the second and third pairs of SMA connectors connect the SAS device with the system. When the second pair of SMA connector is connected to the oscillograph to detect another pair of output signals from the SAS device, the first and fourth pairs of SMA connectors connect the SAS device with the system.
31 Citations
2 Claims
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1. A signal detection apparatus for a serial attached Small Computer System Interface (SAS) device, signal detection apparatus comprising:
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a detecting board; an SAS female connector mounted on the detecting board to be connected to a SAS device, the SAS female connector comprising a first group of ground pins, a first group of data receiving pins, a first group of data output pins, a second group of ground pins, a second group of data receiving pins, a second group of data output pins, and a first group of power pins; an SAS male connector mounted on the detecting board to be connected to a system, the SAS male connector comprising a third group of ground pins, a third group of data receiving pins, a third group of data output pins, a fourth group of ground pins, a fourth group of data receiving pins, a fourth group of data output pins, and a second group of power pins; and first to fourth pairs of subminiature version A (SMA) connectors mounted on the detecting board; wherein the first group of power pins are connected to the second group of power pins, the first group of ground pins are connected to the third group of ground pins, the first group of data receiving pins are connected to the third group of data receiving pins, the second group of ground pins are connected to the fourth group of ground pins, the second group of data receiving pins are connected to the fourth group of data receiving pins, the first group of data output pins are connected to the first pair of SMA connectors, the second group of data output pins are connected to the second pair of SMA connectors, the third group of data output pins are connected to the third pair of SMA connectors, and the fourth group of data output pins are connected to the fourth pair of SMA connectors; and wherein when the first pair of SMA connectors is connected to an oscillograph to detect a pair of output signals from the SAS device, the second pair of SMA connectors is connected to the third pair of SMA connectors to communicate the SAS device with the system;
wherein when the second pair of SMA connectors is connected to the oscillograph to detect another pair of output signals from the SAS device, the first pair of SMA connectors is connected to the fourth pair of SMA connectors to communicate the SAS device with the system. - View Dependent Claims (2)
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Specification