Marantz CC4300 User Manual download pdf (Page 30)

English

The unit can receive external control signals by

connecting a straight cable on the market to the D-sub 9

pin connector for RS232C external control.

❖ Pin Assignment of the Connector

❖ RS232C Physical Specification

❖ Data Packet

A packet contains data from 5 to 8 bytes in length. In

serial communication, ASCII code from 00h to 7fh is

used. So the HEX data are converted into ASCII code

and set to the data packet. The data packet includes

CR code (0dh) at the end.

Example 1: CD Play (Code: 20 53)

Example 2: T.SIZE (Code 20 104 08)

The unit can identify following commands on next

page.

32h 30h 31h 30h 34h 30h 38h 0dh

[2] [0] [1] [0] [4] [0] [8]

CR code

8 byte

32h 30h 35h 33h 0dh

[2] [0] [5] [3]

CR code

5 byte

RS232C

External Control (Serial Interface)

RS232C

Operations

1NC

2RX

3TX

4NC

5 GND

6NC

7NC

8NC

9NC

Cable Straight-type

Connector D-Sub 9 pin

(Female type)

Baud rate 9600bps

Data bits 8 bits

Parity None

Stop bit 1 bit

Flow control None

1 2 ... 25 26 27 28 29 30 31 32 33 34

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Marantz CC4300 User Manual Page 30

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