Kramer Electronics VP-81 K user manual Connecting a PC or Controller to the RS-485 Port

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5.3Connecting a PC or Controller to the RS-485 Port

You can operate the VP-81Kvia the RS-485 port from a distance of up to 1200m (3900ft) using any device equipped with an RS-485 port (for example, a PC). For successful communication, you must set the RS-485 machine number and bus termination.

To connect a device with a RS-485 port to the VP-81K:

•Connect the A (+) pin on the RS-485 port of the PC to the A (+) pin on the RS-485 port on the rear panel of the VP-81K

•Connect the B (–) pin on the RS-485 port of the PC to the B (–) pin on the RS-485 port on the rear panel of the VP-81K

•Connect the G pin on the RS-485 port of the PC to the G pin on the RS-485 port on the rear panel of the VP-81K

5.4Controlling the VP-81K via the Ethernet Port

You can connect the VP-81Kvia the Ethernet in the following ways:

•For direct connection to the PC, use a crossover cable (see Section 5.4.1)

•For connection via a network hub or network router, use a straight-through cable (see Section 5.4.2)

5.4.1Connecting the Ethernet Port Directly to a PC (Crossover Cable)

You can connect the Ethernet port of the VP-81Kto the Ethernet port on your PC, via a crossover cable with RJ-45 connectors.

This type of connection is recommended for identifying the VP-81K

with the factory configured default IP address

After connecting the Ethernet port, configure your PC as follows:

1.Right-click the My Network Places icon on your desktop.

2.Select Properties.

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VP-81K - Connecting the VP-81K

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Contents VP-81K Page Figures Introduction Achieving the Best Performance Getting StartedOverview Defining the VP-81K 8x1 UXGA/Audio Switcher DDC SupportDefining Edid Audio Gain PROG. Button Using the IR Transmitter Before Installing in a Rack Installing in a RackConnecting the VP-81K Connecting the VP-81K Connecting the Balanced/Unbalanced Stereo Audio OutputCrossed Cable RS-232 Connection Controlling via RS-232Controlling the VP-81K via the Ethernet Port Connecting a PC or Controller to the RS-485 PortRight-click Local Area Connection Properties Configuring the Ethernet Port Connecting via a Straight-Through CableClick OK P3K Wizard screen appears Controlling via the Embedded Web PagesClick the on-screen buttons to control the unit Click Configurations DIP-Switch Settings Setting the Machine #Cascading Machines Control Configuration via RS-232 and RS-485 Operating Your VP-81K 8x1 UXGA/Audio Switcher Using the Front Panel Input Selector ButtonsUsing the Regular or Automatic Switching Mode Using the Audio-Follow-Video/Breakaway Modes Regular Switching ModeAutomatic Switching Mode Operating in the Audio-Follow-Video Mode Setting the Audio GainOperating in Breakaway Mode Toggling between Video and Audio Control in Breakaway ModeInputs Technical SpecificationsRS-232 Communication ParametersTable of Ascii Codes for Serial Communication Protocol Table of Hex Codes for Serial Communication Protocol 16 81 80 36dB 16 81 C8 0dB 16 81 D4 +6dB Kramer Protocol Switching ProtocolsSwitching Protocols via the Front Panel Buttons Switching Protocols via Protocol CommandsProtocol 3000 Syntax Kramer Protocol#CR ~OK Crlf Command Part DetailsAUD? AUDVID? VIDPRST-STO SIGNAL?Signal Input PresetLOCK-MODE Reset Reset OKLOCK-FP LOCK-FP?NAME? Name SN?VERSION? Version NameAFV? AFVMachine Number MSB LSBInput OutputReset Video Switch Video VP-81K Kramer Protocol VP-81K Kramer Protocol Only the first purchase customer may enforce this warranty Safety Warning

VP-81 K specifications

Kramer Electronics has established itself as a leading provider of innovative audio-visual solutions, and the VP-81 K is a noteworthy addition to their product lineup. This versatile presentation switcher is designed to accommodate a variety of audiovisual applications, making it ideal for classrooms, conference rooms, and professional events.

One of the standout features of the VP-81 K is its ability to handle multiple video formats. It supports both analog and digital inputs, including HDMI, VGA, and Composite video. This flexibility allows users to connect a wide range of devices, from laptops and projectors to higher-end sources and displays. The device seamlessly switches between input sources, ensuring a smooth presentation experience without interruption.

Another important characteristic of the VP-81 K is its built-in scaling technology. The device is equipped with a high-quality scaler that ensures output resolutions are optimized for a range of display formats. This means that regardless of the source resolution, the image quality remains crisp and clear, providing optimal viewing experiences for audiences.

The VP-81 K also boasts advanced audio capabilities. It allows for audio embedding and de-embedding, making it possible for users to manage both audio and video signals from a single device. This feature is particularly useful in settings where high-quality sound is essential, allowing for easier integration with external audio systems.

In terms of control, the VP-81 K is user-friendly. It provides multiple controlling options, including front-panel buttons, remote control, and RS-232 for integration with third-party systems. This flexibility ensures that users can easily manage their presentations, regardless of their technical expertise.

For enhanced security and performance, the VP-81 K features robust signal processing technology. It maintains signal integrity over long cable runs, ensuring that presentations remain professional and reliable. Additionally, the device is designed with durability in mind, utilizing high-quality components that withstand the rigors of frequent use.

Overall, the Kramer Electronics VP-81 K is a powerful and adaptable presentation switcher, equipped with essential features and cutting-edge technologies that cater to modern audiovisual needs. Whether in educational settings or corporate environments, its capabilities are sure to elevate any presentation experience.
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