Crestron CNXBRMO Operation Manual

Crestron CNXBRMO Operation Manual

Bridging/mono interface

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Crestron CNXBRMO
Bridging/Mono Interface
Operations Guide

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Summary of Contents for Crestron CNXBRMO

  • Page 1 Crestron CNXBRMO Bridging/Mono Interface Operations Guide...
  • Page 2 This document was prepared and written by the Technical Documentation department at: Crestron Electronics, Inc. 15 Volvo Drive Rockleigh, NJ 07647 1-888-CRESTRON All brand names, product names and trademarks are the property of their respective owners. ©2006 Crestron Electronics, Inc.
  • Page 3: Table Of Contents

    Crestron CNXBRMO Contents Bridging/Mono Interface: CNXBRMO Introduction ... 1 Features and Functions ... 1 Applications... 1 Internal Block Diagram ... 2 Specifications ... 2 Physical Description... 3 Industry Compliance ... 6 Setup ... 7 Network Wiring... 7 Hardware Hookup ... 7 Problem Solving ...
  • Page 5: Bridging/Mono Interface: Cnxbrmo

    (two with inverted polarity) from a single stereo source Applications The CNXBRMO accepts the stereo signal from a single room output and splits that signal into two stereo outputs, one with normal polarity and the other with inverted polarity. These two outputs connect to the inputs of two adjacent stereo channels on the CNAMPX amplifier.
  • Page 6: Internal Block Diagram

    Bridging/Mono Interface Internal Block Diagram The following diagram represents the signal routing abilities of the CNXBRMO. For more information refer to “Hardware Hookup” on page Internal Block Diagram of the CNXBRMO Specifications Specifications for the CNXBRMO are listed in the following table.
  • Page 7: Physical Description

    Crestron CNXBRMO Physical Description This section provides information on the connections, controls and indicators available on your CNXBRMO. CNXBRMO Physical View Operations Guide – DOC. 8158A Bridging/Mono Interface Bridging/Mono Interface: CNXBRMO • 3...
  • Page 8 Bridging/Mono Interface CNXBRMO Overall Dimensions 2.54 in (6.45 cm) 1.26 in (3.19 cm) 4 • Bridging/Mono Interface: CNXBRMO Crestron CNXBRMO 5.75 in (14.61 cm) 5.25 in (13.34 cm) Operations Guide – DOC. 8158A 0.75 in (1.91 cm) 0.75 in (1.91 cm)
  • Page 9 CNX-BIPAD8 to accept left and right line-level audio. Input impedance: 10 kΩ; Maximum input level: 2.5 Volts RMS. GROUND (1) 6-32 screw, chassis ground lug. 1, 2 (1) 6-pin RJ-11 female; connects to Cresnet control network Bridging/Mono Interface: CNXBRMO • 5 Bridging/Mono Interface DESCRIPTION...
  • Page 10: Industry Compliance

    Bridging/Mono Interface 1. Crestron provides a two-foot cable assembly with the unit, part number 15717, for network connection. 2. Use Creston’s six-conductor modular cable when connecting to the NET port. Standard telephone cables are wired in a crisscross fashion and are not compatible with Crestron equipment.
  • Page 11: Setup

    Crestron CNAMPX-16X60 (or CNAMPX-12X60) amplifier to provide over 200 watts of power to each speaker. Set the Stereo/Mono switch on the CNXBRMO to create a stereo or mono bridge. Refer to the illustrations on pages 9 & 10 for proper connections. Apply power to the audio distribution system last.
  • Page 12 Bridging/Mono Interface NOTE: When bridging, no more than two CNXBRMO units should be connected to a single CNAMPX-16X60 (or CNAMPX-12X60). When implementing a two CNXBRMO bridge, Crestron recommends connecting one to ROOM INPUTS 1 & 2 and connecting the other to ROOM INPUTS 7 &...
  • Page 13 Crestron CNXBRMO Bridging/Mono Interface Bridging/Mono Interface: CNXBRMO • 9 Operations Guide – DOC. 8158A...
  • Page 14 Bridging/Mono Interface Crestron CNXBRMO 10 • Bridging/Mono Interface: CNXBRMO Operations Guide – DOC. 8158A...
  • Page 15 Crestron CNXBRMO All Summed Mono To use a single CNXBRMO to provide four mono output signals (two with normal polarity and two with inverted polarity) from a single stereo source, simply set the Stereo/Mono switch on the CNXBRMO to Mono and make the connections shown in the illustration on the next page.
  • Page 16 Bridging/Mono Interface Crestron CNXBRMO 12 • Bridging/Mono Interface: CNXBRMO Operations Guide – DOC. 8158A...
  • Page 17: Problem Solving

    Crestron CNXBRMO Problem Solving Troubleshooting The following table provides corrective action for possible trouble situations. If further assistance is required, please contact a Crestron customer service representative. CNXBRMO Troubleshooting TROUBLE PWR LED does not illuminate. Hum on audio. Operations Guide – DOC. 8158A...
  • Page 18: Check Network Wiring

    For example, a Cresnet run using 18 AWG Crestron Certified Wire and drawing 20 watts should not have a length of run more than 333 feet. If Cresnet HP is used for the same run, its length could extend to 1250 feet.
  • Page 19: Reference Documents

    Crestron website (http://www.crestron.com/) for a listing of Crestron worldwide offices. You can also log onto the online help section of the Crestron website to ask questions about Crestron products. First-time users will need to establish a user account to fully benefit from all available features.
  • Page 20 These updates are solely electronic and serve as intermediary supplements prior to the release of a complete technical documentation revision. Check the Crestron website periodically for manual update availability and its relevance. Updates are identified as an “Addendum” in the Download column.
  • Page 21: Return And Warranty Policies

    Purchasers should inquire of the dealer regarding the nature and extent of the dealer's warranty, if any. CRESTRON shall not be liable to honor the terms of this warranty if the product has been used in any application other than that for which it was intended or if it has been subjected to misuse, accidental damage, modification or improper installation procedures.
  • Page 22 Bridging/Mono Interface Crestron CNXBRMO This page is intentionally left blank. 18 • Bridging/Mono Interface: CNXBRMO Operations Guide – DOC. 8158A...
  • Page 23 Crestron CNXBRMO This page is intentionally left blank. This page is intentionally left blank. This page is intentionally left blank. Operations Guide – DOC. 8158A Bridging/Mono Interface Bridging/Mono Interface: CNXBRMO • 19...
  • Page 24 Crestron Electronics, Inc. Operations Guide – DOC. 8158A 15 Volvo Drive Rockleigh, NJ 07647 (2002179) Tel: 888.CRESTRON 07.06 Fax: 201.767.7576 Specifications subject to www.crestron.com change without notice.

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