User Guide
Audio Converter
BUC 202
Two Channel Balanced and
Unbalanced Audio Converter
68-2351-01 Rev. A 03 14
Safety Instructions • English
WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated dangerous voltage within the product’s enclosure that may present a risk of electric shock.
ATTENTION: This symbol, , when used on the product, is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment.
For information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the Extron Safety and Regulatory Compliance Guide, part number 68-290-01, on the Extron website, www.extron.com.
Instructions de sécurité • Français
avertissement : Ce pictogramme, , lorsqu’il est utilisé sur le produit, signale à l’utilisateur la présence à l’intérieur du boîtier du produit d’une tension électrique dangereuse susceptible de provoquer un choc électrique.
attention : Ce pictogramme, , lorsqu’il est utilisé sur le produit, signale à l’utilisateur des instructions d’utilisation ou de maintenance importantes qui se trouvent dans la documentation fournie avec le matériel.
Pour en savoir plus sur les règles de sécurité, la conformité à la réglementation, la compatibilité EMI/EMF, l’accessibilité, et autres sujets connexes, lisez les informations de sécurité et de conformité Extron, réf. 68-290-01, sur le site Extron, www.extron.com.
Sicherheitsanweisungen • Deutsch
warnung: Dieses Symbol auf dem Produkt soll den Benutzer darauf aufmerksam machen, dass im Inneren des Gehäuses dieses Produktes gefährliche Spannungen herrschen, die nicht isoliert sind und die einen elektrischen Schlag verursachen können.
Vorsicht: Dieses Symbol auf dem Produkt soll dem Benutzer in der im Lieferumfang enthaltenen Dokumentation besonders wichtige Hinweise zur Bedienung und Wartung (Instandhaltung) geben.
Weitere Informationen über die Sicherheitsrichtlinien, Produkthandhabung, EMI/EMF-Kompatibilität, Zugänglichkeit und verwandte Themen finden Sie in den Extron-Richtlinien für Sicherheit und Handhabung (Artikelnummer 68-290-01) auf der Extron-Website, www.extron.com.
Instrucciones de seguridad • Español
ADVERTENCIA: Este símbolo, , cuando se utiliza en el producto, avisa al usuario de la presencia de voltaje peligroso sin aislar dentro del producto, lo que puede representar un riesgo de descarga eléctrica.
ATENCIÓN: Este símbolo, , cuando se utiliza en el producto, avisa al usuario de la presencia de importantes instrucciones de uso y mantenimiento recogidas en la documentación proporcionada con el equipo.
Para obtener información sobre directrices de seguridad, cumplimiento de normativas, compatibilidad electromagnética, accesibilidad y temas
relacionados, consulte la Guía de cumplimiento de normativas y seguridad de Extron, referencia 68-290-01, en el sitio Web de Extron,www.extron.com.
Инструкция по технике безопасности • Русский
ПРЕДУПРЕЖДЕНИЕ: Данный символ, , если указан на продукте, предупреждает пользователя о наличии неизолированного опасного напряжения внутри корпуса продукта, которое может привести к поражению электрическим током.
ВНИМАНИЕ: Данный символ, , если указан на продукте, предупреждает пользователя о наличии важных инструкций по эксплуатации и обслуживанию в руководстве, прилагаемом к данному оборудованию.
Для получения информации о правилах техники безопасности, соблюдении нормативных требований, электромагнитной совместимости (ЭМП/ЭДС), возможности доступа и других вопросах см. руководство по безопасности и соблюдению нормативных требований Extron на сайте Extron: www.extron.com, номер по каталогу - 68-290-01.
Chinese Simplified
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Japanese
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FCC Class B Notice
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. There is no guarantee that interference will not occur. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, you are encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
NOTE: For more information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the “Extron Safety and Regulatory Compliance Guide” on the Extron website.
Conventions Used in this Guide
Notifications
The following notifications are used in this guide:
CAUTION: A caution indicates a situation that may result in minor injury.
WARNING: A warning indicates a situation that has the potential to result in death or severe injury.
ATTENTION: Attention indicates a situation that may damage or destroy the product or associated equipment.
Specifications Availability
Product specifications are available on the Extron website, www.extron.com.
Copyright
© 2014 Extron Electronics. All rights reserved.
Trademarks
All trademarks mentioned in this guide are the properties of their respective owners.
The following registered trademarks®, registered service marks(SM), and trademarks(TM) are the property of RGB Systems, Inc. or Extron Electronics:
Registered Trademarks(®)
AVTrac, Cable Cubby, CrossPoint, eBUS, EDID Manager, EDID Minder, Extron, Flat Field, GlobalViewer, Hideaway, Inline, IP Intercom, IP Link, Key Minder, LockIt, MediaLink, PlenumVault, PoleVault, PowerCage, PURE3, Quantum, SoundField, SpeedMount, SpeedSwitch,
System INTEGRATOR, TeamWork, TouchLink, V Lock, VersaTools, VN Matrix, VoiceLift, WallVault, WindoWall, XTP, and XTP Systems
Registered Service Mark(SM) : S3 Service Support Solutions
Trademarks (™)
AAP, AFL (Accu Rate Frame Lock), ADSP (Advanced Digital Sync Processing), Auto Image, CDRS (Class D Ripple Suppression), DDSP (Digital Display Sync Processing), DMI (Dynamic Motion Interpolation), Driver Configurator, DSP Configurator, DSVP (Digital Sync Validation Processing), FastBite, FOXBOX, IP Intercom HelpDesk, MAAP, MicroDigital, ProDSP, QS-FPC (QuickSwitch Front Panel Controller), Scope Trigger, SIS, Simple Instruction Set, Skew Free, SpeedNav, Triple Action Switching, XTRA, ZipCaddy, ZipClip
Introduction..................................................... |
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Features.............................................................. |
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Application Example............................................ |
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Setup and Operation....................................... |
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Rear Panel Features and Cabling........................ |
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Front Panel Feature............................................. |
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Adjusting the Trim............................................... |
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Mounting......................................................... |
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UL Rack Mounting Guidelines............................. |
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Tabletop Mounting.............................................. |
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Rack Rail and Under-Furniture Mounting............. |
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Rack Rail Mounting......................................... |
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Under-Furniture Mounting................................ |
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Rack Shelf Mounting......................................... |
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BUC 202 User Guide • Contents iv
The Extron BUC 202 is a two channel balanced and unbalanced audio converter and audio line driver. It features two balanced or unbalanced inputs and outputs, both on captive screw connectors. The BUC 202 provides two independent channels of signal matching between unbalanced and balanced audio equipment. Two rotary switches provide precise trim adjustment from -21 to +21 dB in clearly-labeled 3 dB steps. In addition to serving as an interface from consumer products to professional AV systems, the BUC 202 is a highquality line driver for sending and receiving audio signals up to 1,000 feet (300 m). The unique 1U, quarter rack width enclosure, together with the included patented ZipClip 200 mounting bracket, offers the versatility to install the BUC 202 in a discreet location, such as on a rack rail, beneath a table, or within a lectern.
•Converts unbalanced audio signals to balanced signals and balanced signals to unbalanced signals
•Active balancing circuitry
•Audio line driver for long distance audio signal transmission
•Independent, variable trim control on each channel with wide, 42 dB adjustment range
•Versatile 1U, quarter rack width enclosure allows installation on a rack rail, beneath a table, or within a lectern
•Patented ZipClip 200 mounting kit included:
•Mounts securely on a variety of surfaces, including rack rails, tables, lecterns, and table legs
•Wire tie slots for proper strain relief and dressing of excess cable
•Quick release tab allows for easy installation and removal
BUC 202 User Guide • Introduction |
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