SCSI - 3


( 8 ), , . ( ).

Р 2

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RS-232C ( - ).

.

.

PC

.

G (Protect Ground)

SG (Signal Ground)

TD (Transmit Data)

O

I

RD (Receive Data)

I

O

RTS (Request To Send)

O

I

CTS (Clear To Send)

I

O

DTR (Data Terminal Ready)

O

I

DSR (Data Set Ready)

I

O

DCD (Data Carrier Detected)

I

O

RI (Ring Indicator)

I

O

. -

().

TD ---------> TD TD ---------> RD

RD <--------< RD RD <----------TD

DTR --------> DTR DTR ---+----> DSR

DSR <-------< DSR |

RTS >-------> RTS +----> DCD

CTS <-------< CTS

DCD <-------< DCD DSR <--+------DTR

RI <--------< RI |

SG <--------> SG DCD <--+

RTS >-------> CTS

CTS <-------< RTS

SG <-------> SG

.

.

TD >------ ------< TD

X

RD <------ ------> RD

SG <-------------->SG