Kramer Protocol

Commands entering:

If terminal software used to connect over serial \ ethernet \ USB port, that possible to directly enter all commands characters (CR will be entered by Enter key, that key send also LF, but this char will be ignored by commands parser).

Sending commands from some controllers (like Crestron) require coding some characters in special form (like \X##). Anyway, there is a way to enter all ASCII characters, so it is possible to send all commands also from controller.

(Similar way can use for URL \ Telnet support that maybe will be added in future).

Commands forms:

Some commands have short name syntax beside the full name to allow faster typing, response is always in long syntax.

Commands chaining:

It is possible to enter multiple commands in same string by '' char (pipe).

In this case the message starting char and the message closing char will be entered just one time, in the string beginning and at the end.

All the commands in string will not execute until the closing char will be entered. Separate response will be sent for every command in the chain.

Input string max length:

64 characters.

Backward support:

Design note: transparent supporting for protocol 2000 will be implemented by switch protocol command from protocol 3000 to protocol

2000, in protocol 2000 there is already such a command to switch protocol to ASCII protocol (#56 : H38 H80 H83 H81).

Table 16: Instruction Codes for Protocol 3000

Help commands

 

Command

Syntax

Response

 

 

Protocol Handshaking

#CR

~OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRLF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Device initiated messages

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command

 

Syntax

 

 

Start message

 

Kramer Electronics LTD. ,

 

 

 

 

 

 

 

Device Model

 

 

 

 

 

Version

Software Version

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switcher actions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio-video channel has switched (AFV mode)

AV

IN>OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Video channel has switched (Breakaway mode)

VID

 

 

 

 

 

 

 

 

 

 

 

 

 

IN>OUT

 

 

 

 

 

 

 

 

 

 

 

 

Audio channel has switched (Breakaway mode)

AUD

 

 

 

 

 

 

 

 

 

 

 

 

IN>OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Result codes (errors)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Syntax

 

 

No error. Command running succeeded

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

COMMAND

 

PARAMETERS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Protocol Errors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Syntax Error

 

 

 

 

 

 

ERR001

 

 

Command not available for this device

 

 

 

 

 

ERR002

 

 

Parameter is out of range

 

 

 

 

 

 

ERR003

 

 

Unauthorized access (running command without the match login).

 

 

 

 

 

ERR004

 

36

KRAMER: SIMPLE CREATIVE TECHNOLOGY

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Kramer Electronics VP-81KSi user manual Instruction Codes for Protocol
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VP-81KSi specifications

Kramer Electronics has been a notable player in the AV industry, and their VP-81KSi is a vivid example of their commitment to providing high-quality video processing solutions. This device is a versatile 8x1 HDMI switcher that is designed to streamline the management of multiple HDMI sources and facilitate seamless HD video distribution.

One of the standout features of the VP-81KSi is its capability to switch between eight HDMI inputs with ease. This is particularly beneficial in settings such as conference rooms, classrooms, and entertainment venues, where multiple video sources need to be accessed efficiently. The switcher supports resolutions up to 4K at 60Hz, ensuring that users can enjoy high-definition video quality without sacrificing performance.

In addition to its robust switching capabilities, the VP-81KSi also integrates advanced audio management technologies. It supports various audio formats, including multi-channel audio, allowing for a rich auditory experience. This is complemented by its ability to embed and de-embed audio signals, providing flexibility in audio routing and management.

Another significant aspect of the VP-81KSi is its support for Kramer's proprietary Smart Switching technology. This feature automatically detects and switches to the active input source, which not only saves time but also enhances user experience by minimizing interruptions during presentations or events.

The device also includes comprehensive control options, with the ability to be managed via its front panel buttons, RS-232, and Ethernet. This flexibility allows for easy integration into existing AV systems and facilitates remote management, further simplifying operations in professional environments.

In terms of build quality, the VP-81KSi is constructed with durability in mind, featuring a compact form factor that can fit seamlessly into various setups. Its rack-mountable design is ideal for permanent installations in AV racks.

Kramer Electronics has equipped the VP-81KSi with a cooling system that ensures optimal performance during extended use. The device's low heat generation adds to its longevity and reliability, making it a smart investment for audio-visual professionals.

In summary, the Kramer VP-81KSi combines versatility, advanced technology, and user-friendly features in a single compact unit. It excels in demanding environments, delivering high-quality video and audio management that meets the needs of modern AV applications. Whether for live events, corporate presentations, or educational settings, the VP-81KSi stands out as a powerful tool for enhancing multimedia experiences.
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