Marantz SR7002 Manual de usuario descargar pdf (Pagina 5)

SR8002/SR7002 RS-232C Control Specification Page: 5 / 32

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3. Detailed Description

The interface specification between the product and a Host controller is described below.

3-1. Connection format

3-1-1. Physical connection

Host (Controller) Slave (the product)

(Serial setting <RS232C basic>)

Baud Rate : 9600bps

Data Bits : 8bit

Parity : None

Stop bit : 1bit

Handshaking : None

3-1-1-1. Data transmission sequence from Host to Slave

Host (Controller) Slave (The product)

TxD → RxD

RxD ← TxD

1. Host starts a data transmission from TxD.

2. Host performs the data transmission of the number of required bytes, and ends a transmission.

3-1-1-2. Data transmission sequence from Slave to Host

Host (Controller) Slave (The product)

TxD → RxD

RxD ← TxD

1. Slave starts a data transmission from TxD.

2. Slave performs the data transmission of the number of required bytes, and ends a transmission.

TxD

RxD

GND

RxD

TxD

GND

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Marantz SR7002 Manual de usuario Pagina 5