Kramer Electronics VP-128H Sierra Video Systems1 SVS RS-232 Compatible Protocol, Generic Protocol

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Communication Protocols

10.2Sierra Video Systems1 (SVS) RS-232 Compatible Protocol

Target hardware application: the protocol is designed to be compatible with most existing applications that have driven the RS232 port on SVS routers. In some cases commands have been shortened and should be compatible with all SVS external drivers. The protocol only uses one command format to set crosspoints, on format to load setups and one for the structure of all reply messages.

10.2.1Command Details I

"Clear": Clear Matrix

“Config” Configure system (requires 4 digit password) “Change” Change from this protocol to another protocol "X": Connect Crosspoint

"D": Delay Vertical Sync Intervals

"P": Setup a Salvo Connect Sequence

"T": Trigger a Salvo Connect Sequence “A” Audio gain controls

“M” RGB Mute switching time "S": Status Inquiry

"U": Automatic Output Change Reporting On/Off “?” Query

“E” Error messages

Generic Protocol:

Commands are sent to a routing switcher in a group called a command string. A command string can contain zero or more commands, limited only by the size of the receive buffer of the router.

A command string consists of a leader asterisk character, zero or more commands, and a trailer character, an exclamation mark. When a command string is received, it is not acted upon until the final trailer character (!) of the command string is received. At that time, the routing switcher executes the commands within the string.

The protocol uses only 7-bit ASCII characters. The 8th bit of received characters is treated as if it is 0. Alphabetic characters within the command string may be in either upper-case or lower-case letters. The router always sends upper case characters. When sending commands to the router, SPACE characters are optional, but if used should only appear before and after each individual command and NOT embedded within an individual command.

1 A Kramer Electronics company

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Contents Models Contents Tables FiguresGetting Started IntroductionAbout the VP-128H OverviewVP-128H with the Front Panel and the Rear Panel Intact Your VP-128H Matrix SwitcherAbout the RC-1616 Achieving the Best PerformanceVP-128H Matrix Switcher VP-128H Without the Front Panel but with the Rear Panel VP-128H Matrix Switcher Front Panel FeaturesVP-128H Local Control Panel1 VP-128H Local Control Panel Detached Front PanelConnecting the VP-128H Matrix Switcher Connecting a VP-128H Matrix SwitcherConnecting a PC without using a Null-modem Adapter Controlling via RS-232 for example, using a PCRJ-45 Pinout Crossover Cable RJ-45 Pinout Connecting a VP-128H Matrix Switcher RC-1616 with the Front Panel and the Rear Panel Intact Your RC-1616 Remote ControlDefine the RC-1616with its front panel detached2 RC-1616 Front Panel DetachedSetting the Dipswitches Connecting a RC-1616 Remote Control Switching OUT-IN Combinations Operating the VP-128H Matrix SwitcherIncludes the technical specifications Technical SpecificationsKramer 2000 Protocol Supported Subset Communication Protocols4th Byte 1st Byte2nd Byte 3rd ByteParameter Terminology Switch Video Switch Video CrosspointRequest Video Output Status Switch Audio Switch Audio CrosspointRequest Audio Output Status Breakaway Setting Audio follows video Setup Save Store / Delete Video StatusSave Delete Bi-Directional command example Setup RecallError Invalid Instruction Out of Range Machine Busy Example Request Breakaway SettingError Response ErrorRecall Audio Status Store Audio StatusSet Audio Parameter Increase / Decrease Audio Parameter Request Audio ParameterValue Save Bits Audio Parameter SettingsInput Bits Set Auto-SaveLoad Video Data Take Cancel ExampleLoad Audio Data For video For audio CommandNumber of inputs Number of outputs Number of setups Define MachineGeneric Protocol Sierra Video Systems1 SVS RS-232 Compatible ProtocolClear Clear Matrix OK!!CRRequest **CONFIG1234 , oo , ii , l , f1 , f2 Config Configure MatrixChange Change protocol Crosspoints restored from memory Crosspoint restore failedRequest **CHANGE HEX Connect Crosspoint Delay Vertical Sync IntervalsX8,3,2,3,4 X1,5,0 D200 D100 X1,6,0 S Setup a Salvo Connect SequenceTrigger a Salvo Connect Sequence Command Audio Gain ControlStatus Inquiry for Crosspoints Command RGB Mute delayRequest **S SA Status Inquiry for Audio gains Level 1 input number comma Level 8 input number- comma CRRequest **SA X5,4,1? ? Query commandAutomatic Output Change Reporting On/Off X5?PA? Error messages from the router to the host commandResponse **E1!!CR RGB Delay Reconfig Router Manual Reconfiguration IndicatorGeneric Protocol Supported Subset Audio Input Gain and Attenuation Request input*gainG Global Setups Request setupAudio Mute Commands Request output*1Z Video Mute Commands Request output*1BControls muting and un-muting video outputs. Examples Create Ties V4G View Ties, Gain, Mutes, and SetupsOnly the first purchase customer may enforce this warranty 2900-000024 REV

VP-128H specifications

Kramer Electronics VP-128H is an advanced video processor designed to meet the demands of professional AV applications. It excels in delivering high-quality video and audio signals with versatility and efficiency. The VP-128H is particularly ideal for locations that require multi-screen setups such as control rooms, corporate presentations, and large venues.

One of the standout features of the VP-128H is its ability to handle video resolution up to 4K at 60Hz. This ensures that users can enjoy crisp and clear imagery, making it suitable for high-resolution content and detailed visuals. The unit supports a wide range of video formats including HDMI, which allows for seamless integration with modern audio-visual systems.

The VP-128H utilizes advanced scaling technology that upscales lower-resolution sources to match the output display’s resolution. This feature is especially beneficial in environments where various source materials are used, ensuring that the visual quality remains consistent and impressive across all platforms. Additionally, the processor incorporates a powerful video processing engine, enabling real-time control of various video parameters such as brightness, contrast, and color correction.

Flexibility is another key characteristic of the VP-128H. It boasts multiple input options, allowing users to connect multiple sources without hassle. The intuitive layout makes it easy to switch between sources and manage outputs effectively. The device also supports video wall configurations, which is essential for creating stunning display environments where multiple screens are seamlessly synced.

In terms of connectivity, the VP-128H offers both HDMI and HDBaseT options, ensuring that users can effectively transmit high-definition content over long distances without signal degradation. The HDBaseT technology is particularly noteworthy as it allows for the extension of 4K video, audio, Ethernet, and control signals over a single CAT5e/6 cable, providing a streamlined installation process.

The user-friendly design includes an intuitive web-based interface, making it straightforward to configure settings and monitor performance remotely. This is a significant advantage for system integrators and operators who require quick adjustments without the hassle of navigating through complex menus.

With robust build quality and reliability, Kramer Electronics VP-128H is designed to withstand the demands of high-usage environments. It’s a versatile solution suitable for a range of professional applications, ensuring that users achieve optimal audio-visual performance consistently. Whether in corporate settings, educational institutions, or events, the VP-128H delivers exceptional quality and flexibility.
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