Extron electronic RGB 324, RGB 326 Cabling, Opening the RGB 340 enclosure, Input connections

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Installation and Operation, cont’d

4.Remove the Adjust knob. You may need a very small diameter Allen wrench to loosen the nut that holds it in place.

5.Slide the top part of the enclosure slightly forward, then upward to remove the cover. The circuit board remains in the bottom portion of the enclosure.

AUDIO

INPUTS

 

 

 

ANALOG

 

 

 

HIGH-Z

SHOW ME/

 

 

 

SELECT

H-SHIFT

 

 

 

V-SHIFT

 

 

 

VIDEO LEVEL

 

 

 

AUDIO LEVEL

 

 

 

ADJUST

Remove (2)

 

Connector Nuts

Remove (5)

and Knob

Screws

 

Opening the RGB 340 enclosure

6.Set the level/peaking jumpers. See the jumper diagram on page 2-9.

7.Reverse steps 2 through 5 to replace the cover.

Cabling

All the output, power, and control cables from the RGB 324, RGB 326, and RGB 340 buffers go directly to the RGB 320 switching interface. Refer to the RGB 320 User’s Manual and see “Connecting the buffer to the RGB 320 with installation cable” in this chapter when making and connecting cables for the buffers. Run the cables through the wall/furniture and into the electrical box (if used) before attaching connectors.

Input connections

Input connections and audio input connector wiring are discussed on page 2-5.

Connecting shields

Multiconductor cables contain several braided and foil shields. At the buffer end of the cable, the outer braided and foil shields should be connected to the grounded metal wall box (or to a grounding wire if a metal wall box is not used). The wires that make up the braided shield can be unbraided, then twisted together to form a large, multi-strand wire that can be folded back under the wall box cable clamp or attached to the metal wall box with a screw. See the following illustration.

Metal Wall Box

Cable Clamp

Screw

 

Braided Shield

Installation Cable

Foil Shield

To prevent short circuits, the outer foil sheild can be cut back to the point where the cable exits the cable clamp. Trim back or use heat shrink to insulate all shields (braided or foil) from the circuit board. If shields contact the circuit board, a short circuit may occur. Also, both the braided and foil sheilds should be connected to an equipment ground at the other end of the cable.

Connecting the buffer to the RGB 320 with installation cable

The cabling examples on page 2-14 and 2-15 show a buffer wired for RGBHV video and balanced audio output using seventeen conductor plenum installation cable.

Extron recommends using Extron’s seventeen conductor bulk plenum installation cable (part numbers 22-111-03, 22-111-04) or equivalent. Installation cable includes coaxial cables for video signals, shielded twisted pair wires for audio, and single conductors for power and communications signals.

Connect the cables between the buffer and the RGB 320 interface on a one-to-onebasis. Cable conductor assignments must be the same at both ends of the cable, or damage may occur to circuits in the buffer and/or the RGB 320.

Remove power from both the buffer and the

RGB 320 while cables are being attached.

Preparing and terminating the cable

Use the illustrations on pages 2-14 and 2-15 as wiring guides. They show connectors and conductor assignments for the buffers and the RGB 320.

1.Select and install a multiconductor cable, such as the Extron Plenum seventeen conductor installation cable, which contains appropriate conductors (at least 5 coaxial, 3 sets of shielded twisted pair, 3 single 20 AWG) for the video, power, control, and audio signals that this system will use.

2-10 RGB 324/326/340 • Installation and Operation

RGB 324/326/340 • Installation and Operation 2-11

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Contents User’s Manual Buffers for Use with the RGB 320 Switching Interface SystemFCC Class a Notice PrecautionsExtron’s Warranty Table of Contents RGB 324/326/340 Table of Contents, cont’dOne IntroductionIntroduction FeaturesAdditional RGB 324 and RGB 340 features Typical installation of buffers with an RGBIntroduction, cont’d Installation and OperationTwo Preparing the site, installing the wall box RGB 324, RGB InstallationInstallation and Operation Overview Installation and Operation InstructionsMounting the RGB Installation and Operation, cont’dFront and rear panel features Front panel features and operationInstallation and Operation, cont’d Opening the RGB 340 enclosure for jumper adjustment Rear panel/circuit board features and jumpersInput connections Connecting shieldsCabling Opening the RGB 340 enclosureUnbalanced output Balanced output Cable wiring diagram connecting an RGB 324/326 to the RGB Cable wiring diagram connecting an RGB 340 to the RGBIf the image is not displayed correctly Pre-installation testing/troubleshootingMounting the buffer to the wall box RGB 324, RGB If the image does not appear or there is no soundMounting the buffer to the wall box Specifications Accessories, and Part NumbersApplication diagram AppendixSpecifications AppendixBB Dimensions and TemplateDimensions Dimensions and TemplateDimensions RGB 326 dimensionsRGB 340 dimensions RGB 324/RGB 326 wall box dimensions Dimensions and Template, cont’dRGB 324/326/340 Dimensions and Template Dimensions and Template, cont’d
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RGB 324, RGB 326, RGB 340 specifications

Extron Electronics is a renowned manufacturer known for its extensive range of innovative products in the realm of audiovisual integration. Among their impressive lineup are the RGB 326, RGB 340, and RGB 324 models, which stand out due to their exceptional features and cutting-edge technologies tailored for high-performance video applications.

The Extron RGB 326 is a versatile, high-resolution RGBHV and video line amplifier designed to enhance the quality of analog video signals. One of its main features is the capability to support resolutions up to 1920x1200, ensuring compatibility with a wide range of display devices. It incorporates advanced circuitry that optimizes signal quality, reducing distortion and maintaining clarity over extended distances. This model also offers multiple outputs, allowing the simultaneous connection of multiple devices, which is ideal for complex installations.

The RGB 340 takes the functionality of video amplification a notch higher with its integrated digital processing capabilities. It provides features like automatic signal detection and adaptive equalization, which ensures optimal signal integrity, regardless of the input source or distance involved. The RGB 340 can also support a variety of input formats, including RGBHV, component video, and composite video, making it an excellent choice for diverse audiovisual setups. Additionally, built-in status LEDs allow users to monitor operational signals and quickly identify any potential issues.

On the other hand, the Extron RGB 324 is a compact yet powerful solution designed specifically for applications requiring a straightforward line amplifier with fewer connections. It boasts a user-friendly interface and a low-profile design, which makes it suitable for installations where space is limited. Like its counterparts, the RGB 324 also maintains high signal fidelity and can handle resolutions up to 1920x1200.

Another significant characteristic shared among these models is the robust build quality that Extron is known for. Designed for durability and reliability, they come with enhanced thermal management, ensuring long-term performance even in demanding environments. Furthermore, all models feature Extron's patented technology for optimal video performance, resulting in high-quality output with minimal signal degradation.

In summary, the Extron RGB 326, RGB 340, and RGB 324 exemplify the brand's commitment to delivering top-tier solutions for video signal management. Their innovative technologies and features make them indispensable tools for audiovisual integrators looking to achieve pristine image quality and reliability in their installations.
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