Cable Electronics SW808HD, SW404HD manual Protocol Description, Command Packet, Response Packet

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Matrix Switching System—Instruction Manual

Protocol Description

Command Packet

Command packets are sent to the Matrix Switch from a computer and are 4 or more bytes long depending upon the instruction code.

Command Type A

Address

Instruction Code

Output Byte

Input Byte

CRC

or Command Type B

 

 

 

 

Address

Instruction

Length

Output

Input

= = =

 

Code

Byte

Byte 1

Byte 1

 

 

Output Byte n

Input

Byte n

CRC

Response Packet

Response or Acknowledgement (ACK) packets are returned from the Matrix Switch after receipt of a command packet. The response packets are 2 or more bytes long depending upon the command requirements.

ACK Type A

 

 

ACK Byte

 

CRC

 

 

 

or ACK Type B

 

 

ACK

 

Length Byte

Output

Input

= = =

Byte

 

 

 

Byte 1

Byte 1

 

 

 

 

or ACK Type C

ACK Length Information Supported Supported

Byte Byte Byte Output Input

Ports Ports

 

Output

 

Input

CRC

 

 

Byte n

 

Byte n

 

 

 

 

 

 

 

 

 

 

Machine

 

= =

Machine

CRC

Name 1

 

Name n

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command Packet Byte Descriptions

Command Type A

Address

Instruction Code

Output Byte

Command Type B

Input Byte

CRC

Address

Instruction

Length

Output

Input

Output

Input

CRC

 

Code

Byte

Byte 1

Byte 1

Byte n

Byte n

 

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Contents SW404HD SW808HD Page Before You Use the System Page Matrix System Matrix Host InstallationMatrix System Overview Matrix System ModelsMatrix System Front/Rear Panels Model SW404HD Front/Rear PanelsModel SW808HD Front/Rear Panels Matrix and Peripherals Connection Connecting Audio/Video Cable Input/Output JacksAudio/Video Ports Connection Method Remote Control Methods and SettingsMatrix Switch Control Computer ConnectionRS-232 Communication Port Connection Methods Pin Leg DescriptionOFF Switch Settings On/Off Switch SettingsID Address Settings Software ID RS-485 Communication Port Connection MethodsID Address Settings ON/OFF Switch Settings Address Decimal BinaryMatrix System and Control System Connection RS-232 Matrix System and Control System Connection RS-485 Front Panel Key Functions Input/Output Switching Key Operation ModeMatrix Control Panel Operation OperationFront Panel Key Functions FunctionExample First Operation Examples Operation Example Key LCD DisplayOperation Example When the Video LCD Number under the 3 on Software Introduction Software FeaturesMatrix Application Software Software DescriptionExamples for Selecting Matrix Switching Functions Second methodMatrix to turn them into Disconnect Function Keys Specific example of operation is described belowSelect all output / Deselect all output Switching Functions Scan Function Usage Disconnect all Command Function DescriptionMemory Function Usage Options Function UsageOther Usages Communication Protocol and Control Command CodeExit Function Description Matrix System Technical ParametersVideo Output Audio SignalSpecifications Control TypeCommon Problems and Solutions AnswerPage DIP Switch Description Appendix Matrix Switch Communication ProtocolDefault Communication Settings 9600, N, 8 SW1-SW5 Machine ID address 0=ON, 1=OFFProtocol Description Command PacketCommand Packet Byte Descriptions Response PacketAddress Byte Command Type a and B Response Packet Byte Descriptions TM4 TM3 TM1 TM0Command Table Instruction Variable Output Byte Input ByteInstruction Description Length Type Instruction Description Length TypeWarranty Trademarks

SW404HD, SW808HD specifications

The Cable Electronics SW808HD and SW404HD are two advanced multimedia switchers designed for seamless integration into modern AV systems. These products cater to a wide array of applications, including home theaters, conference rooms, and educational environments. Their robust features and state-of-the-art technologies ensure exceptional performance and versatility.

The SW808HD is an 8-input, 8-output HDMI audio/video matrix switcher, designed to manage multiple sources and displays efficiently. It boasts support for high-definition resolutions up to 4K at 60Hz, ensuring sharp and vivid image quality. The unit features built-in scaling capabilities, allowing users to downscale higher-resolution signals for use on lower-resolution displays. This ensures compatibility across different devices without sacrificing quality.

On the other hand, the SW404HD is a 4-input, 4-output HDMI switcher, offering a more compact solution for smaller AV setups. It shares many of the advanced technologies of the SW808HD, including 4K UHD support and EDID management. The EDID management feature simplifies the communication between sources and displays, optimizing video and audio output for each device connected to the switcher.

Both models support HDCP compliance, guaranteeing content protection and allowing users to connect premium content devices without issues. The integration of HDMI 2.0 technology ensures high bandwidth and supports advanced audio formats like Dolby TrueHD and DTS-HD Master Audio, making these switchers ideal for high-quality audio requirements.

For user-friendly operation, both the SW808HD and SW404HD come with an intuitive IR remote control, allowing users to switch between sources effortlessly. Additionally, they are equipped with RS-232 control for integration into wider control systems, enhancing their functionality in complex environments.

Moreover, both models are designed with sturdy construction, making them suitable for continuous use in professional settings. The LED indicators on the front panel provide clear status updates for all connected inputs and outputs, which is essential for real-time monitoring.

In summary, the Cable Electronics SW808HD and SW404HD are efficient and reliable HDMI switchers, packed with features that cater to various AV needs. Their high-resolution support, advanced audio capabilities, and user-friendly controls make them standout choices for both professional and consumer environments, ensuring exceptional performance in any application.
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