Serial Ports

JRS-232 connectors — Connect one or two host devices, such as computers, touch panel controls, or RS-232 capable PDAs to the switcher via these 3-pole captive screw connectors for serial RS-232 (see figure 6). Use the supplied tie-wrap to strap the serial cable to the extended tail of the connector.

RS-232

PRIMARY

Tx Rx

RS-232

SECONDARY

Tx Rx

Pin Function

TX Transmit data

RX Receive data

Gnd Signal ground

Do not tin the wires!

Bidirectional

Ground ( )

Receive (Rx)

Transmit (Tx)

Controlling

Device

Ground ( )

Receive (Rx)

Transmit (Tx)

Figure 6. RS-232 connector

NOTES: • The length of exposed wires is critical. The ideal length is 3/16 inch

(5 mm). See the audio input connector NOTES for more information.

• These two ports are hardwired for RS-232 only.

• The RS-232 Secondary port is active only if the front panel Configuration port is not in use. If a front panel configuration connection is made, the rear panel RS-232 Secondary port becomes inactive and the front panel Configuration port is active.

• The switcher can operate at 9600, 19200, 38400, or 115200 baud rates. See “Selecting the Baud Rate of the RS-232 Primary Port” in the “Operation” section to configure the RS-232 Primary port from the front panel. See the Set serial port parameters SIS command to configure all ports under SIS control.

See “Programming Guide” for definitions of the SIS commands (serial commands to control the switcher via this connector) and “Matrix Software” for details on how to install and use the control software.

If desired, connect an MKP 2000 or MKP 3000 remote control panel to the RS-232 connector of the switcher. See the MKP 2000 Remote Control Panel User Guide or the MKP 3000 Remote Control Panel User Guide for details.

MPX 866 A Media Presentation Matrix Switcher • Installation 11

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Extron electronic MPX 866 A manual Serial Ports, RS-232 connector
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MPX 866 A specifications

The Extron MPX 866 A is a powerful multimedia presentation switcher known for its robust functionality and advanced features, ideal for a range of professional environments, particularly in education, corporate, and broadcasting sectors. This device is designed to facilitate seamless switching between multiple audio and video sources, ensuring a smooth and professional presentation experience.

One of the standout features of the MPX 866 A is its ability to handle a variety of input formats, including HDMI, DisplayPort, and analog video signals. This versatility allows users to easily connect different devices, such as laptops, projectors, and video conferencing systems, without the need for additional adapters or converters. The unit supports resolutions up to 4K at 60 Hz, making it suitable for high-definition content display.

The switcher is equipped with Extron’s unique Seamless Switching technology, which provides instantaneous switching between sources without noticeable delays or interruptions. This is particularly beneficial in fast-paced environments where timing is crucial, such as live events or presentations.

Another significant aspect of the MPX 866 A is its advanced audio handling capabilities. It includes integrated audio embedding and de-embedding, allowing users to manage audio signals effectively without compromising quality. The built-in audio delay feature ensures synchronization between audio and video, an essential consideration for professional settings.

For ease of operation, the MPX 866 A offers customizable control options. Users can manage the device through various interfaces, including Extron's user-friendly GUI, third-party control systems, and RS-232 commands. This flexibility makes it easier to integrate the switcher into existing AV setups.

Additionally, the unit incorporates powerful scaling technology, which optimizes image quality by adjusting the resolution of the incoming video signals to match the display capabilities of the output device. This ensures that content appears crisp and clear, regardless of the source resolution.

The MPX 866 A is also designed with reliability in mind, featuring robust construction and a fanless design for silent operation. This makes it suitable for environments where noise reduction is critical.

Overall, the Extron MPX 866 A stands out as a versatile, feature-rich multimedia switcher that enhances the presentation experience. Its advanced technologies and characteristics make it an excellent choice for professionals looking to elevate their audio-visual communication.
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