Crown DBC NETWORK BRIDGE 137769-3 Operation Manual

Crown network hardware user manual
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DBC Network Bridge

Operation Manual

Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your
local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.
This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible
situation which may arise during installation, operation or maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have
occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice: Crown, Crown Audio, IQ, IQ System, and Amcron are registered trademarks of Crown International. DBC, IQwic
and TCP/IQ are trademarks of Crown International. Other trademarks are the property of their respective owners.
®
Some models may be exported under the name Amcron.
®
©2008 by Crown Audio
Inc., 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000
137769-3
2/08

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Summary of Contents for Crown DBC NETWORK BRIDGE 137769-3

  • Page 1: Operation Manual

    To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com. Trademark Notice: Crown, Crown Audio, IQ, IQ System, and Amcron are registered trademarks of Crown International. DBC, IQwic and TCP/IQ are trademarks of Crown International. Other trademarks are the property of their respective owners.
  • Page 2: Important Safety Instructions

    Important Safety Instructions Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with a dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instruc- tions.
  • Page 3: Declaration Of Conformity

    DBC Network Bridge Crown International, Inc. ISSUED BY: Crown International, Inc. 1718 W. Mishawaka Road Elkhart, Indiana 46517 U.S.A. European Representative's Name and Address: Nick Owen 35, Bassets Field Thornhill Cardiff. South Glamorgen CF14 9UG United Kingdom Equipment Type: Digital B-Chain...
  • Page 4: Getting Started With The Dbc Network Bridge

    DBC™ Network Bridge and its operation. IMPORTANT: Unplug power cord from AC outlet before wiring. 1.1 Hardware Installation You will need: • Crown power amplifiers with USP3-CN PIP modules installed, or Crown I-Tech CobraNet- version power amplifiers • A computer running IQwic software •...
  • Page 5 DBC Network Bridge Getting Started With the DBC Network Bridge Table 1 DBC DB25F DIGITAL AES/EBU PINOUTS FUNCTION AES1 (L/R)+ AES3 (Ls/Rs)+ Operation Manual FUNCTION AES1 (L/R)– AES3 (Ls/Rs)– AES4 (Bsl/Bsr)– AES4 (Bsl/Bsr)+ AES2 (C/SW)– AES2 (C/SW)+ Table 2 DBC DB25F ANALOG PINOUTS FUNCTION FUNCTION L–...
  • Page 6: Communicating With The Dbc Network Bridge

    4. When done, skip to Step 4 on page 11. 1.2.2 Introduction The DBC Network Bridge connects directly to Crown IQ networks with TCP/IQ protocol. This permits extensive amp and speaker diagnostics and control by computer. The DSP functions in the DBC Network Bridge are controlled and monitored by a computer running IQwic software.
  • Page 7: Tcp/Iq Setup

    DBC Network Bridge Getting Started With the DBC Network Bridge 1.2.4 TCP/IQ Setup This example is based on a stand-alone system using switches and routers. The screen captures were done in Windows 2000; your exact configuration may vary. If your computer uses a network for other applications, please check with your Information Technology Department before making any changes.
  • Page 8 Getting Started With the DBC Network Bridge 1B. Once the Properties window opens (Figure 1.5), click on Internet Protocol (TCP/IP). Figure 1.5 Internal Properties Window The Internet Protocol (TCP/IQ) Properties window appears (Figure 1.6). Dis- able Virtual Private Network or other encryption settings. See Section 1.2.5, TCP/IQ Addressing Worksheet, on the next page.
  • Page 9: Tcp/Iq Addressing Worksheet

    DBC Network Bridge Getting Started With the DBC Network Bridge 1.2.5 TCP/IQ Addressing Worksheet Table 3 is an example of valid TCP/IP addresses on a stand-alone network. If the TCP/IQ network is going to be shared with other people, check with the Network Administrator for their addressing scheme.
  • Page 10 Getting Started With the DBC Network Bridge 2. Select IQ Systems > IQwic > TCPIQ Utility (Figure 1.7). This launches the TCPIQ Utility on the master computer. Figure 1.7 Selecting IQ Systems > IQwic > TCPIQ Utility 2A. The master computer should discover the TCP/IQ products (Figure 1.8). If not, please re-read Section 1.2.4 on addressing rules.
  • Page 11 DBC Network Bridge Getting Started With the DBC Network Bridge 4. The Component Discovery screen appears and displays the mes- sage, “Searching for TCP/IQ components” (Figure 1.11). Figure 1.11 The Discovery Screen Operation Manual 5. The IQwic toolbar and Workspace appear. An icon of the DBC Net- work Bridge appears in the Workspace (Figure 1.12) Figure 1.12 The IQwic Toolbar (Top) and Workspace (Bottom)
  • Page 12 Getting Started With the DBC Network Bridge 8. The processing functions appear. Click on the Unit Presets tab at the top. The Unit Presets window appears (Figure 1.14). 9. At the bottom right, select Preset 32, Standard Cinema. Then select Recall this Preset. Your system is running and ready to configure.
  • Page 13: Table Of Contents

    5.3 Advanced Form Firmware Features...54 5.4 Technical Description ...69 6 Troubleshooting ... 70 7 Specifications ... 73 8 Appendix A: TCP/IQ Network Basics... 75 9 Service... 80 10 Warranty ... 81 Crown Audio Factory Service Information Form ... 83 page 13...
  • Page 14: Welcome

    (Dolby , DTS ), Cinema Servers, or Alterna- tive Content Media Players; and bridges (routes) them to a Crown DBC network. Figure 2.1 is a sample application drawing. This network is Crown’s proprietary “Single- Click” solution that provides system control, monitoring, diagnostics, and digital audio transport.
  • Page 15: Sample Application Diagram

    DBC Network Bridge Fa u lt T h e r m a l C lip -1 0 Powe r S ig n a l -2 0 B r i d g e D a ta R e a d y Operation Manual Fa u lt T h e r...
  • Page 16: Setup

    If damage is found, notify the transportation company immediately. Only you can initiate a claim for shipping damage. Crown will be happy to help as needed. Save the shipping carton as evidence of damage for the shipper’s inspection.
  • Page 17: Wiring

    DBC Network Bridge 3 Setup 3.3 Wiring Chapter 1 describes how to make connections to the DBC Network Bridge. The information below describes the connections in detail. 3.3.1 Analog, Digital and Auxiliary Inputs Analog Line Input: DB25 female connector accepts eight balanced ana- log line-level analog inputs.
  • Page 18: Balanced Input Wiring

    3 Setup 3.3.2 Balanced Input Wiring Balanced sources should be wired as shown below. Notice that the shield is not connected to the chassis ground of the source if the source is also connected to the AC ground (that is, it has a grounded AC plug).
  • Page 19: Unbalanced Monitor Output Wiring

    DBC Network Bridge 3 Setup 3.3.5 Unbalanced Monitor Output Wiring Figure 3.6 Unbalanced Monitor Output Connections Operation Manual 3.3.6 CobraNet Connections The CobraNet network carries up to 32 channels of audio bidirectionally via a single cable. Connect the DBC Network Bridge to the CobraNet net- work using RJ45-terminated standard CAT 5 cable from the PRIMARY con- nector on the rear of the unit.
  • Page 20: Operation

    4 Operation 4.1 Front Panel Controls and Indicators A. LCD Display LCD digital display shows information about the currently selected IQ address, inputs, presets, scenes, and firmware information. B. Input Display An eight-segment LED display matrix shows input signal presence for all eight analog or digital inputs. C.
  • Page 21: Back Panel Controls And Connectors

    DBC Network Bridge 4 Operation 4.2 Back Panel Controls and Connectors J. IEC AC Power Inlet Accepts an IEC AC power cord. The DBC Network Bridge has a universal power supply, and may be operated on AC line voltages from 100 VAC to 240 VAC at 50 Hz or 60 Hz.
  • Page 22: Navigating The Lcd Control Screen

    Select button to store the setting. Internal errors are automatically displayed on the LCD Control Screen. If an error is displayed, call Tech Support at Crown and provide them the error number. Operation examples and the Menu Tree are on the next page.
  • Page 23: Operation Examples

    DBC Network Bridge 4 Operation 4.3.2 Operation Examples Operation Example 1 How to select Preset 5 using the LCD Control Screen: 1. After power-up, the Preset Screen appears. 2. Press Next until you see Preset 5. 3. Within 2 seconds, press Menu/Select. Operation Example 2 How to select the Digital/Surround Input using the LCD Control Screen:...
  • Page 24: Iqwic Overview

    4 Operation 4.4 IQwic Overview This section describes how to set up the DBC Network Bridge from within IQwic software. It includes an overview of the various processing functions and associated windows. The DBC Network Bridge is configured using IQwic software. This applica- tion enables the setup of all the parameters available to the DSP of the DBC Network Bridge unit.
  • Page 25: Metering

    DBC Network Bridge 4 Operation 4.5 Metering After you have followed the steps in Chapter 1, IQwic is running, and the Input/Output meters window (Figure 4.5) is at the left of the screen. Its features are described below. 1. Output Level Meters Audio level meters are provided for each output channel: Left, Right, Center, Subwoofer, Surround Left, Surround Right, Back Left, and Back Right.
  • Page 26: General Tab

    4 Operation 4.6 General Tab Click on the Expand/Shrink Bar so that the Setup and Processing Func- tions appear. Click on the General tab at the top to view the General win- dow (Figure 4.6). Its features are described below. 1.
  • Page 27: Basic Processing Functions

    DBC Network Bridge 4 Operation 4.7 Basic Processing Functions This section covers the basic processing functions found in the DBC Network Bridge configuration section of IQwic. 4.7.1 Signal Path Tab, Cinema Surround Form Click on the Signal Path tab and the Cinema Surround but- ton at the top to view the Signal Path window (Figure 4.7).
  • Page 28: Input Compressor

    DBC Network Bridge 4 Operation 4.7.2 Input Compressor To open the Input Compressor window (Figure 4.8), select its icon (shown above) in any channel in the Signal Path window. The input compressor provides a means for controlling the dynamic range of input signals.
  • Page 29: Input Delay

    DBC Network Bridge 4 Operation 4.7.3 Input Delay To open the Input Delay window (Figure 4.9), select its icon (shown above) in any channel in the Signal Path window. Signal Delay can be set for each output channel. This delay is especially useful in loudspeaker array alignment, where the crossovers, mix, and other processing is complete and the loud- speaker needs to be aligned to the system.
  • Page 30: Eq Filters

    4 Operation 4.7.4 EQ Filters To access the EQ Filters window (Figure 4.10), click on its icon (shown above) for any channel in the Signal Path window. 1. On/off Enables or disables filtering. 2. Add Button Click this to add a filter. A light green circle appears, indicating the active fil- ter.
  • Page 31 DBC Network Bridge 4 Operation EQ Filters (continued) Please refer to Figure 4.11. 9. Frequency Select Field Another way to select the center frequency of an active filter is to enter its value here, either by typing or by pressing the arrow buttons. 10.
  • Page 32: All Outputs Volume Controls

    4 Operation 4.7.5 All Outputs Volume Controls To open the volume controls for the output channels, click on the All Outputs icon in the Cinema Surround Signal Path window. See Figure 4.12. Here you can adjust the level, muting, and polarity of each channel. The master fader works like this: •...
  • Page 33: Signal Generator

    DBC Network Bridge 4 Operation 4.7.6 Signal Generator Click on the Signal Generator tab to open the Signal Generator win- dow (Figure 4.13). This window provides a variety of test signals that can be applied to each output channel. Output levels and sine-wave frequency are adjustable.
  • Page 34: Cobranet: Explanation

    4 Operation 4.7.7 CobraNet: Explanation In the Signal Path window, Cinema Surround form, is a DBC Network Channel Assign button which opens the CobraNet Output window (described on the next page). If you need to understand how CobraNet works, please read the following section. CobraNet is a technology developed by Peak Audio, Inc.
  • Page 35: Cobranet: Output

    DBC Network Bridge 4 Operation 4.7.8 CobraNet: Output In the Signal Path window, click on the DBC Network Channel Assign button to open the CobraNet Output window (Figure 4.14). The DBC Network Bridge’s eight CobraNet Outputs can be assigned to be transmitted on Slots in one of four CobraNet Bundles.
  • Page 36: Booth Monitor Source Select

    DBC Network Bridge 4.7.9 Booth Monitor Source Select In the Signal Path window, click on the Booth Monitor Source Select button to open the Booth Monitor Source Select window (Figure 4.15). The controls in this window allow you to adjust the level, muting and polarity of selected output channels that feed your booth monitor speakers.
  • Page 37: Presets

    DBC Network Bridge 4 Operation 4.7.10 Presets Click on the Unit Presets tab to open the Presets window (Figure 4.16). The DBC Network Bridge has the ability to reconfigure itself with a single command. Thirty-two 'Presets' can be stored and recalled via a variety of means including the front panel, a Control Port Input, or a scheduled 'Event'.
  • Page 38: Preset Editor

    4 Operation 4.7.11 Preset Editor To open the Preset Editor window (Figure 4.17), start In the Unit Presets window, right-click on a preset number, and select Edit Presets. Note: Preset 32, Standard Cinema, cannot be edited. 1. Preset Name The name of the currently selected Preset is displayed here. You can give it a new name if desired.
  • Page 39: Scenes

    DBC Network Bridge 4 Operation 4.7.12 Scenes Click on the Unit Scenes tab to open the Scenes window (Figure 4.18). Remember that an object is a software processor in the DBC Bridge. There are times when only a few objects’ settings need to be changed and this is the function of 'Scenes'.
  • Page 40: Scene Editor

    DBC Network Bridge 4 Operation 4.7.13 Scene Editor To open the Scene Editor window (Figure 4.19), click on the Edit button for any channel in the Scene window. 1. Scene Select the Scene to be edited in the ‘Scene’ box at top, or click on one of the 32 buttons located at the right of the screen.
  • Page 41: Events Scheduler

    DBC Network Bridge 4 Operation 4.7.14 Events Scheduler Click on the Unit Events tab to open the Events Scheduler window (Figure 4.20). Different configurations can be triggered at particular times. The DBC Network Bridge has an internal real time clock that can be used to set up a schedule for recalling Presets or Scenes.
  • Page 42 4 Operation One Time Events In the Events Scheduler window, click on the Edit button to the right of any Event number. The One-Time Event window will open (Figure 4.21). An Event can be scheduled to occur only once, and the time of the Event can be programmed by choosing 'once'.
  • Page 43: General Firmware Features

    DBC Network Bridge 4 Operation 4.8.5 Memory Backup 4.8 General Firmware Features The DBC Network Bridge settings are stored in high-endurance flash memory whenever a parame- Note: The following features are accessed via IQwic ter is changed. Changed settings are updated every software unless otherwise stated.
  • Page 44: Advanced Operation

    5 Advanced Operation 5.1 Advanced Operation Table of Contents 5 Advanced Operation ... 44 5.1 Advanced Operation Table of Contents ... 44 5.2 Advanced Processing Functions... 45 5.2.1 CobraNet: Setup ... 45 5.2.2 CobraNet: Input ... 47 5.2.3 CobraNet: Output... 47 5.2.4 Control Port...
  • Page 45: Advanced Functions

    DBC Network Bridge 5 Advanced Operation 5.2 Advanced Functions 5.2.1 CobraNet: Setup To open the CobraNet Setup window, click on the CobraNet tab, then click on the CobraNet Setup tab. The CobraNet Setup window opens (Figure 5.1). The CobraNet Setup tab allows overall control of the DBC Network Bridge’s CobraNet functions.
  • Page 46 DBC Network Bridge 5 Advanced Operation CobraNet: Setup (continued) Please refer to Figure 5.2. 7. IP Address The Internet Protocol address that is assigned by the system integrator. Used as a standard part of Ethernet networking transmission protocols and works much like a zip/postal code for the unit on the network. 8.
  • Page 47: Cobranet: Input

    DBC Network Bridge 5 Advanced Operation 5.2.2 CobraNet: Input To access the CobraNet Input window, click on the CobraNet tab, then click on the CobraNet Input tab. The CobraNet Input window will open (Figure 5.3). The DBC Network Bridge can accept three Bundles from the CobraNet network and route the audio Slots of those Bundles into the process- ing and mixing of the unit.
  • Page 48: Control Port

    DBC Network Bridge 5 Advanced Operation 5.2.4 Control Port The Control Port provides a means for external monitoring and control of ‘objects’ (software processors) within the DBC Network Bridge. It can be used to turn peripherals on and off, send signals to other system components, receive digital and/or analog signals from other compo- nents, and indicate status of the input gates.
  • Page 49 DBC Network Bridge 5 Advanced Operation Control Port Window: Digital Inputs The Digital Inputs are high or low only. They are current driven and will accept +5V or +10V inputs (+25VDC max), and are well suited for sensing contact closure (Figure 5.6). They switch at approximately +1 VDC.
  • Page 50 5 Advanced Operation Control Port Assignment Dialog (continued) Please refer to Figure 5.8. 5. Add / Remove Buttons Once the desired object has been found in the Controls List (4), highlight it and press the Add button (5). The object will appear in the Object List (6) at the bottom of the window. Highlight a particular object in the bottom window to edit its attributes.
  • Page 51 DBC Network Bridge 5 Advanced Operation Control Port: Condition Logic Setup Window To open the Condition Logic Setup window (Figure 5.9), press the Edit Mapped Conditions button in the Control Port window. 1. Condition Allows up to 64 different binary combinations of pin states. Up to eight inputs are allowed in any state, giving up to 255 different combinations for each of the the 64 configurations.
  • Page 52 DBC Network Bridge 5 Advanced Operation Control Port Window: Digital Outputs Section In the Control Port window, find the Digital Outputs section (Figure 5.10). There are eight digital outputs. Each output may be controlled manually, config- ured to indicate the state of a binary object or, configured to indicate whether a Figure 5.10 Digital Outputs Section of particular Preset is loaded.
  • Page 53 DBC Network Bridge 5 Advanced Operation Control Port Window: Analog Inputs Section (AIN 1-8) Find the Analog Inputs section (Figure 5.13) in the Control Port win- dow. It has a status indicator and level meter for each input channel. The Control Port analog inputs allow a 0 to +10 VDC signal to be input to allow remote control of continuously variable objects such as faders or fil- ter frequencies.
  • Page 54: Advanced Form Firmware Features

    DBC Network Bridge 5 Advanced Operation 5.3 Advanced Form Firmware Features This section explains the advanced signal-path features in the DBC Network Bridge. From the Signal Path tab, click on the Advanced button at the top. This opens the Advanced Form window (Figure 5.16). Its 2 3 4 5 6 7 8 9 11 12 13 14 15...
  • Page 55: Input Path

    DBC Network Bridge 5 Advanced Operation 5.3.1 Input Path Starting from the Signal Path window, you can access the Input Path window (Figure 5.17) for any channel by clicking on either an input-select button or the Input Path icon (shown above) for the channel. 1.
  • Page 56: Input Delay

    DBC Network Bridge 5 Advanced Operation 5.3.2 Input Delay Starting from the Input Path window, you can access the Input Delay win- dow (Figure 5.19) by clicking on its icon (shown above). A delay can be added to any of the Input Processing Sections in order to time- equalize the various input signals.
  • Page 57: Input Gate

    DBC Network Bridge 5 Advanced Operation 5.3.3 Input Gate Starting from the Input Path window, you can access the Input Gate window (Figure 5.20) by clicking on its icon (shown above). The Input Gate feature allows signals above a certain level to pass and attenuates lower level signals. When 'open', the Input Gate passes the input signal un-attenuated.
  • Page 58: Auto Leveler

    5 Advanced Operation 5.3.4 Auto-Leveler Starting from the Input Path window, you can open the Auto-Leveler window (Figure 5.22) by clicking on its icon (shown above). The Auto-leveler works in tandem with the Input Gate to compensate for long-term average input levels that vary over time.
  • Page 59: Automixer

    DBC Network Bridge 5 Advanced Operation 5.3.5 Automixer Automatic mixers allow 'hands-free' mixing that minimizes many of the undesirable effects of using multiple microphones. Applications such as confer- ence rooms, training rooms and boardrooms typi- cally implement many microphones for individual speakers.
  • Page 60 DBC Network Bridge 5 Advanced Operation Automix Controls Starting in the Input Path window, you can open the Automix Controls window (Figure 5.23) by clicking on its icon (shown above). There are four individual Input controls: 1. Priority Assigns a relative priority to each channel. Control range is 1 to 8, where 1 is the highest priority and 8 is the lowest priority.
  • Page 61 DBC Network Bridge 5 Advanced Operation Automix Matrix Access the Automix Matrix (Figure 5.24) by pressing the Auto- mix Matrix button in the Signal Path window. This window is an interactive overview of all the possible automix routings assignments and priorities. There are three main auto- mix functions;...
  • Page 62 DBC Network Bridge 5 Advanced Operation Automixing Group Controls Access the Automixing Group Controls (Figure 5.25) by pressing the Auto-mix Groups button in the Signal Path window. There are two group controls and two group indicators for this feature: 1. Priority Mix Enable Turns Ducking Priority Mix on and off for the automix group.
  • Page 63 DBC Network Bridge 5 Advanced Operation Automixing Group Controls (continued) Please refer to Figure 5.26. Adaptive Gating Adaptive Gating dynamically modifies the Input Gate thresholds in the auto-mix group as a function of the ambient level in the room. The ambient level is computed as the weighted average of the closed mic input levels.
  • Page 64: Solo/Mute

    DBC Network Bridge 5 Advanced Operation 5.3.6 Solo/Mute At the top of the Signal Path window, find the Solo/Mute button. Pressing this button opens the Solo/Mute window (Figure 5.27). It lets you monitor the status of the Input and Output channel mutes and solos. From here, indi- vidual channels can be soloed for preview purposes, and can be muted equally.
  • Page 65: Output Path

    DBC Network Bridge 5 Advanced Operation 5.3.7 Output Path Starting in the Signal Path window, at the end of the Output processing section, you can access the Output Path window (Figure 5.28) by clicking on its icon (shown above). In addition to the output of each of the sixteen Input Processing Sections, the eight CobraNet Inputs are fed to the Matrix Mixer, providing a 24 Input by 10 Output fully independent crosspoint mix as controlled by the Input/Output Matrix.
  • Page 66: Ambient Leveler

    5 Advanced Operation 5.3.8 Ambient Leveler Starting in the Output Path window, you can access the Ambient Leveler window (Figure 5.30) by clicking on its icon (shown above). The Ambient Leveler expands the output channel gain to compensate for a sensed ambient level.
  • Page 67: Output Limiter

    DBC Network Bridge 5 Advanced Operation 5.3.9 Output Limiter Starting in the Output Path window, you can open the Output Limiter win- dow (Figure 5.31) by clicking on its icon (shown above). This function lets you monitor and control the peak output level. It is espe- cially valuable for the protection of amplifiers, loudspeakers and other audio equipment.
  • Page 68: Outputs Button

    DBC Network Bridge 5.3.10 Outputs Button Locate the Outputs button at the top-right of the Advanced Form Signal-Path window. Press this button to view all the output channels’ processing (Figure 5.32). Figure 5.32 Outputs Window page 68 Operation Manual...
  • Page 69: Technical Description

    DBC Network Bridge 5.4 Technical Description Following is a technical description of the operation of the DBC Network Bridge. Please refer to the System Block Diagram (Figure 4.24). Audio Input Section Each audio input signal first passes through a balanced filter designed to eliminate RF interference.
  • Page 70: Troubleshooting

    • OUTPUT Internal errors are automatically displayed on the LCD Display Screen. If an error is displayed, call Tech Support at Crown and provide them the error number. DBC Network Bridge The unit is not receiving an analog or dig- ital (CobraNet) input signal.
  • Page 71 DBC Network Bridge 6 Troubleshooting CONDITION: IN USE/CONDUCTOR LED does not light, even though the network cable is plugged in. POSSIBLE REASON: • Ethernet link is broken. LINK/ IN USE/ • Network connection is 10 Megabits instead of 100 Megabits. COND CONDITION: LINK/ACTIVITY LED does not light, even though the network cable is plugged in.
  • Page 72 DBC Network Bridge 6 Troubleshooting If the DBC Network Bridge seems to be functioning in unex- pected ways, go to the Signal Path tab and select Advanced. If the unit is set up for Preset 32, Standard Cin- ema Setup, only four icons in each channel should be lit. These icons are input level, input delay, input path filter, and output level (as in Figure 6-1).
  • Page 73: Specifications

    DBC Network Bridge 7 Specifications Audio Dynamic Range > 108 dB (A-weighted, 20 Hz-20 kHz) Digital Sampling 24-bit, 48 kHz Frequency Response ± 0.5 dB, 20 Hz-20 kHz Total Harmonic Distortion < 0.05% THD+N (1 kHz, 0 dBu) Common Mode Rejection 50 dB at 60 Hz (typical) >...
  • Page 74 7 Specifications Power Required AC Mains Universal AC input. Operates from 100 VAC to 240 VAC at 50/60 Hz, 24W nominal. AC Line Connector 15A IEC AC power inlet Mechanical Cooling Convection cooled, no vents, no fans Dimensions 19 in. (48.3 cm) W x 1.75 in. (4.4 cm) H x 16 in. (40.6 cm) D Net Weight 15.3 lbs (6.9 kg) page 74...
  • Page 75: Appendix A: Tcp/Iq Network Basics

    All devices in the network have the same network ID. All devices in a subnet have the same subnet ID. There are many resources available on the Internet for IP and subnet calculation. For a stand-alone system, Crown has provided a worksheet of a tested configuration in Sec- tion 1.2.5.
  • Page 76 8.2 TCP/IQ Network Basics TCP/IQ Tis a network based protocol that has the ability to control and monitor IQ components over a common TCP/IP network. For IQ com- ponents that have CobraNet capability, TCP/IQ has the ability to control and monitor these IQ components over the same Ethernet network used for CobraNet audio, resulting in a single Category-5 connection for control, monitoring, and digital audio.
  • Page 77 DBC Network Bridge Communications between networks is allowed, but requires the use of a special piece of equipment called an IP Router. The router acts as a Gateway to allow this communication to exist. Any data traffic that is to go to the other network is routed through the IP Router.
  • Page 78 PC only. Hubs may be active or switched. In larger Fast Ethernet networks, additional hubs, concentrators, and other network hardware are used to form a larger network, as shown in Figure 8.4. Figure 8.4 Multi-Star Topology...
  • Page 79 DBC Network Bridge Today, commonly available networking cards are 10/100Base-T capable, which allows them to be used on either 10BaseT or 100Base-T networks. Fast Ethernet distance limitations apply to CobraNet installations: 100 meters over Cat-5 copper cable, 2 kilometers over multimode fiber. Pro- prietary Fast Ethernet via single mode fiber solutions can reach even further.
  • Page 80: Service

    For more information, please contact us direct. Complete the Crown Audio Factory Service Information form, in the back of this manual, when returning a Crown A Service Return Authorization (SRA) is required for product to the factory or authorized service center. The product being sent to the factory for repair.
  • Page 81: Warranty

    ITEMS EXCLUDED FROM THIS CROWN WARRANTY This Crown Warranty is in effect only for failure of a new Crown product which occurred within the Warranty Period. It does not cover any product which has been damaged because of any inten- tional misuse, accident, negligence, or loss which is covered under any of your insurance contracts.
  • Page 82 “Crown” in this warranty. ITEMS EXCLUDED FROM THIS CROWN- WARRANTY This Crown Warranty is in effect only for failure of a new Crown product which occurred within the Warranty Period. It does not cover any product...
  • Page 83: Crown Audio Factory Service Information Form

    Billing address of credit card: __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ Operation Manual Crown Audio Factory Service Information Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 PLEASE PRINT CLEARLY Model: ____________________________________________ PRODUCT RETURN INFORMATION Fax #: ________________________________________ State/Prov: ________________________________...
  • Page 84 DBC Network Bridge page 84 Operation Manual...

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