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Extron electronic BUC 202 manual

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Table of contents for the manual

  • Page 1

    User Guide BUC 202 Audio Converter T wo Channel Balanced and Unbalanced Audio Converter 68-2351-01 Rev . A 03 14[...]

  • Page 2

    Safety Instructions  WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated danger ous voltage within the product’ s enclosur e that may present a risk of electric shock.  [...]

  • Page 3

    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 r easonable protection against harmful interference in a r esidential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not instal[...]

  • Page 4

    Contents Introduction .................................................... 1 Features ............................................................. 1 Application Example ........................................... 2 Setup and Operation ...................................... 3 Rear Panel Features and Cabling ........................ 3 Front Panel Fe[...]

  • Page 5

    Intr oduction 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 pr ovides two independent channels of signal matching between unbalanced and balanced audio equipment. T wo rotary switches pr ovid[...]

  • Page 6

    Application Example The illustration below is one example of configuring a system using the BUC 202. Figure 1. BUC 202 Application Example 10 0-24 0V 50 / 60 H z 1.3A MAX 1 2 3 80 H z OFF C H 3 1 2 4/8 L is t e d 17TT AUD I O /VI DE O APPARATUS 3 70V LEVEL REM O T E G REEN - ACTIV E A M BER - STANDBY LIMIT E R/ PROTECT S IGNAL ST ANDB Y TIMER DISAB[...]

  • Page 7

    Setup and Operation The Setup and Operation section describes: • Rear Panel Features and Cabling • Front Panel Featur e • Adjusting the T rim Rear Panel Featur es and Cabling 100-240V 50/60 Hz 0.2A MA X 1 2 1 2 TRIM OUTPUTS BUC 202 15 18 0 21 3 6 9 12 -15 -18 -21 -3 -6 -9 -12 15 18 0 21 3 6 9 12 -15 -18 -21 -3 -6 -9 -12 1 2 INPUTS A [...]

  • Page 8

    C Input connector — This 3.5 mm, 5-pole captive screw connector accepts line level balanced or unbalanced, mono or stereo audio signals (see to the illustrations below for proper wiring). A TTENTION: The length of the exposed wires in the stripping pr ocess is critical. The ideal length is 3/16 inches (5 mm). Any longer and the exposed wires may [...]

  • Page 9

    Fr ont Panel Feature BUC 202 A Figure 6. BUC 202 Front Panel A Power LED — The green lights when the BUC 202 is r eceiving power . Adjusting the T rim The BUC 202 can be wired in four dif ferent configurations: • Balanced input to unbalanced output • Unbalanced input to balanced output • Balanced input to balanced output • Unb[...]

  • Page 10

    Mounting The Mounting section describes: • UL Rack Mounting Guidelines • T abletop Mounting • Rack Rail and Under -Furniture Mounting • Rack Shelf Mounting UL Rack Mounting Guidelines The following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the BUC 202 in a rack. 1. Elevated operating ambient t[...]

  • Page 11

    Rack Rail Mounting 100- 240V 50/6 0 H z 0.2A MAX TRIM 1 2 1 2 TRIM O UTPUT S BU C 202 15 1 8 0 2 1 3 6 9 1 2 - 15 - 18 - 21 - 3 - 6 - 9 - 12 15 18 0 2 1 3 6 9 12 - 1 5 - 18 - 21 - 3 - 6 - 9 - 12 1 2 INP UTS BUC 202 B UC 202 Side of Rac k ZipClip 200 Ba ck of Ra ck Inside of Ra ck Figure 7. BUC 202 Rack Rail Mounting 1. Fasten the ZipClip 200 mounti[...]

  • Page 12

    5. T o remove the BUC 202 fr om the ZipClip 200 mounting clip, press down on the locking tab ( 1 ) while lifting up on the unit ( 2 ). BUC 202 1 2 Under -Furniture Mounting BUC 202 ZipClip 200 2 1 0 0 -2 4 0 V 5 0 /6 0 Hz 0 . 2 A M A X 1 1 2 T RIM O U TP U TS BUC 20 2 15 18 0 21 3 6 9 12 - 1 5 - 18 -2 1 - 3 - 6 -9 - 12 1 5 18 0 2 1 3 6 9 12 - 1 5 -[...]

  • Page 13

    4. T o secure any loose cables and to pr ovide strain relief, attach tie wraps (“zip ties”) around the tie wrap notches on the BUC 202 and thr ough the anchor points on the mounting clip. Tie Wrap 15 9 12 100-240V 50/60 Hz 0.2A MAX 1 2 1 2 TRIM OUTPUTS BUC 202 1 2 INPUTS 15 18 0 21 3 6 9 12 -15 -18 -21 -3 -6 -9 -12 15 18 0 21 3 6 9 12 -15 -18 -[...]

  • Page 14

    Rack Shelf Mounting BUC 202 (2) 4-40 x 3/16" Sc rews RSB 123 Rack Shelf Ra ck Mounte d 2 1 Figure 9. BUC 202 Rack Shelf Mounting 1. Align the threaded holes in the bottom of the BUC 202 with the holes in an Extr on rack shelf ( 1 ). Fasten the unit to the shelf with two 4-40 x 3/16-inch screws. 2. Bolt the rack shelf to the rack ( 2 ). BUC 202[...]

  • Page 15

    Extron Headquarters +1.800.633.9876 (Inside USA/Canada Only) Extron USA - W est Extron USA - East +1.714.491.1500 +1.919.850.1000 +1.714.491.1517 F AX +1.919.850.1001 F AX Extron Europe +800.3987.6673 (Inside Europe Only) +31.33.453.4040 +31.33.453.4050 F AX Extron Asia +65.6383.4400 +65.6383.4664 F AX Extron Japan +81.3.3511.7655 +81.3.3511.7656 F[...]