Sony RS-232C manual Preset Data

Page 35

 

Length

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BANK type = SHIFT

(SHIFT_DATA)

PRESET Data:

BANK type

BANK Type = BAND (BAND_DATA)

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Contents Sony Amplifier/Receiver Communication format Operation in Power OFF Product Code List Sony Amplifier/Receiver Amp Category AMP Command List 0xA0 Amp Status List 0xA8 Amplifier answers ACK/NACK to the following Command StatusReq VolumeStatusReq InputSelect MuteSet PowerSet VolumeSet 12V Trigger Invalid Code 0x0e No-Executable Sony Amplifier/Receiver Sound Adaptor Category Sound Adaptor Command List 0xA3 Sound Adaptor Status List 0xA Amplifier answers ACK/NACK to the following Command SF Status Req SF Select Code 0x0e No-Executable Not Sony Amplifier/Receiver Audio Tuner Category Audio Tuner Command List 0xA1 Audio Tuner Status List 0xA9 Manualtuning+ StatusData 0xa3 PresetDataReq PresetSelect 0xa4 PresetNameReq Function Format Category 0xa9 Preset Data
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RS-232C specifications

The Sony RS-232C is a renowned communication standard that has been widely utilized in various electronic devices, enabling serial communication between computers and peripheral devices. This protocol is integral in various applications, including industrial automation, medical equipment, and consumer electronics.

One of the main features of the Sony RS-232C is its simplicity and ease of use. The standard utilizes a basic serial communication method, allowing for asynchronous data transmission. This means that data can be sent one bit at a time over a single channel, ensuring reliable communication over short distances, typically up to 50 feet, although longer distances can be achieved with proper cable management and signal boosters.

The technology behind the RS-232C standard employs voltage levels to represent binary data. Logic level zero is represented by a voltage between -3 to -25 volts, while logic level one is between +3 to +25 volts. This voltage differential is crucial for distinguishing between 'on' and 'off' states in electronic signaling. The standard supports data rates of up to 115.2 kbps, making it suitable for various applications, although it is generally limited in speed when compared to modern communication standards like USB or Ethernet.

In terms of characteristics, the Sony RS-232C supports both full-duplex and half-duplex communication, allowing for simultaneous transmission and reception of data, or one-directional data transfer, respectively. The protocol also includes control signals for flow control, such as RTS (Request to Send) and CTS (Clear to Send), which help manage data transmission and prevent data loss due to buffer overflow.

The RS-232C standard has 25-pin and 9-pin connector configurations, although many devices now utilize the more compact 9-pin DIN format. This legacy standard remains prevalent in industrial settings, as many devices still use RS-232 connections.

Despite the emergence of more advanced communication protocols, the reliability and robustness of the Sony RS-232C ensure that it remains an enduring choice for numerous applications. Its straightforward configuration, coupled with extensive documentation and support, makes it a favorable option for both new installations and the maintenance of legacy systems in various industries. As technology continues to evolve, the RS-232C standard remains a testament to the enduring principles of reliable communication.