Crown DBC NETWORK BRIDGE 137769-3 User manual
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
DBC Network Bridge
137769-3
2/08
Operation Manual
DBC Network Bridge
page 2
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with a dry cloth.
7) Do not block any ventilation openings. Install
in accordance with the manufacturer’s instruc-
tions.
8) Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce
heat.
9) Do not defeat the safety purpose of the polar-
ized or grounding-type plug. A polarized plug
has two blades with one wider than the other.
A grounding-type plug has two blades and a
third grounding prong. The wide blade or the
third prong is provided for your safety. If the
provided plug does not fit into your outlet,
consult an electrician for replacement of the
obsolete outlet.
10) Protect the power cord from being walked on
or pinched, particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.
11) Only use attachments/accessories specified
by the manufacturer.
12) Use only with a cart, stand, tripod, bracket, or
table specified by the manufacturer, or sold
with the apparatus. When a cart is used, use
caution when moving the cart/apparatus com-
bination to avoid injury from tip-over.
13) Unplug this apparatus during lightning storms
or when unused for long periods of time.
14) Refer all servicing to qualified service person-
nel. Servicing is required when the apparatus
has been damaged in any way, such as power-
supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally,
or has been dropped.
15) WARNING: TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS APPARATUS TO RAIN OR MOISTURE.
16) DO NOT EXPOSE TO DRIPPING OR SPLASH-
ING. DO NOT PLACE OBJECTS FILLED WITH
LIQUID, SUCH AS VASES,ON THIS APPARA-
TUS.
TO PREVENT ELECTRIC SHOCK DO NOT REMOVE
TOP OR BOTTOM COVERS. NO USER SERVICE-
ABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
À PRÉVENIR LE CHOC ÉLECTRIQUE N’ENLEVEZ
PAS LES COUVERCLES. IL N’Y A PAS DES PAR-
TIES SERVICEABLE À L’INTÉRIEUR. TOUS REPA-
RATIONS DOIT ETRE FAIRE PAR PERSONNEL
QUALIFIÉ SEULMENT.
TO COMPLETELY DISCONNECT THIS EQUIPMENT
FROM THE AC MAINS, DISCONNECT THE POWER
SUPPLY CORD PLUG FROM THE AC RECEPTA-
CLE. THE MAINS PLUG OF THE POWER SUPPLY
CORD SHALL REMAIN READILY OPERABLE.
WATCH FOR THESE SYMBOLS:
The lightning bolt triangle is used to alert the user
to the risk of electric shock.
The exclamation point triangle is used to alert the
user to important operating or maintenance instruc-
tions.
Important Safety Instructions
FCC COMPLIANCE NOTICE
This device complies with part 15 of the FCC rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
CAUTION: Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTE: 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 are designed to 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 instruction manual, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or televi-
sion reception, which can be determined by turning the equipment off and on, the user is
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.
DBC Network Bridge
Operation Manual page 3
DECLARATION of CONFORMITY
Crown International, Inc.
Sue Whitfield
574-294-8289
European Representative's Name and Address:
Nick Owen
35, Bassets Field
Thornhill
Cardiff. South Glamorgen
CF14 9UG United Kingdom
Equipment Type: Digital B-Chain
Family Name: IQ System Component
Model Names: DBC Network Bridge
EMC Standards:
EN 55103-1:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 1: Emissions
EN 55103-1:1997 Magnetic Field Emissions-Annex A @ 10 cm
EN 61000-3-2:2001 Limits for Harmonic Current Emissions (equipment input current less than or equal to 16 A per phase)
EN 61000-3-3:2002 Limitation of Voltage Fluctuations and Flicker in Low-Voltage Supply Systems Rated Current less than or equal to16A
EN 55022:2003 Limits and Methods of Measurement of Radio Disturbance Characteristics of ITE: Radiated, Class B Limits; Conducted, Class A
EN 55103-2:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 2: Immunity
EN 61000-4-2:2001 Electrostatic Discharge Immunity (Environment E2-Criteria B, 4k V Contact, 8k V Air Discharge)
EN 61000-4-3:2001 Radiated, Radio-Frequency, Electromagnetic Immunity (Environment E2, criteria A)
EN 61000-4-4:2001 Electrical Fast Transient/Burst Immunity (Criteria B)
EN 61000-4-5:2001 Surge Immunity (Criteria B)
EN 61000-4-6:2003 Immunity to Conducted Disturbances Induced by Radio-Frequency Fields (Criteria A)
EN 61000-4-11:2001 Voltage Dips, Short Interruptions and Voltage Variation
Safety Standard:
IEC 60065: 2002 7th Ed. Safety Requirements - Audio Video and Similar Electronic Apparatus
I certify that the product identified above conforms to the requirements of the EMC Council Directive 89/336/EEC as amended by 92/31/EEC, and the Low Voltage Directive 73/23/EES as amended by 93/68/EEC.
Signed
Title: Senior Vice President of Manufacturing
Date of Issue: Dec. 1, 2004
ISSUED BY: Crown International, Inc.
1718 W. Mishawaka Road
Elkhart, Indiana 46517 U.S.A.
Due to line current harmonics, we recommend that you contact your supply authority before connection.
Larry Coburn
FOR COMPLIANCE QUESTIONS ONLY:
Operation Manual
DBC Network Bridge
page 4
1 Getting Started With the DBC Network Bridge
Welcome! This Quick-start guide will get you up and running
in a short time. Then please refer to the rest of the manual for
details on the 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
• A 100Mb network switch
• An Ethernet cable (RJ45 connector on each end) for
use between the computer and network switch
• Two Ethernet cables for use between the DBC Network
Bridge and the network switch. One cable is sufficient,
but two allow redundancy.
• An Ethernet cable between the network switch and
each USP3-CN module (or Ethernet connector)
installed in a Crown power amplifier.
1.1.1 Audio and Network Connections
Please refer to Figures 1.1 and 1.2.
1. Mount the DBC Network Bridge in a standard 19-inch
(48.3-cm) equipment rack or cabinet.
2. Turn off all equipment that will connect to the unit.
3. Connect the AES/EBU digital output signal from your cin-
ema processor, media player, or feature server to the analog
DB25 connector on the back of the DBC Bridge. DB25 wiring
is shown in Table 1 on the next page. Alternatively, connect
the analog output signal from your cinema processor to the
Analog DB25 connector on the back of the DBC Bridge.
DB25 wiring is shown in Table 2 on the next page.
4. See Figure 1.2. Connect any auxiliary mic or line signals
to the female XLR Auxiliary Inputs on the back of the DBC
Network Bridge. Set the MLP switch for Mic, Line, or Phan-
tom-powered mic. Adjust gain potentiometers to optimize
gain structure.
Figure 1.1 System Wiring
!
! !
! !
$"#.%47/2+
!%3$)')4!,!5$)/
!.!,/'!5$)/
%4(%2.%4
30%!+%2,).%
1
1
Power
2 3 4 5 6 7 8 91011 12
234
9101112
5678
13 14 15 16
NETGEAR
$"##ONTROL0#
#4SW)10)0530#.
#4SW)10)0530#.
#4SW)10)0530#.#4SW)10)0530#.#4SW)10)0530#.
%THERNET3WITCH
%THERNET3WITCH
$"#"RIDGE
$"#)NPUT/PTIONS
$OLBY#0 DTS8$
DTS8$0
!%3!%3
!NALOG
!NALOG
!NALOG
3URROUND#HANNELS
3CREEN#HANNELSAND3UBWOOFERS
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
1
1
Power
2 3 4 5 6 7 8 91011 12
234
9101112
5678
13 14 15 16
NETGEAR
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Power
Data
Bridge
Fault
Thermal
-20
Signal
12
Ready
Clip
-10
Figure 1.2 Audio Inputs on the Back Panel of the DBC Bridge
XLR connector wiring:
pin 1: shield
pin 2: signal hot
pin 3: signal cold
DBC Network Bridge
Operation Manual page 5
Ta b l e 1 Ta b l e 2
Getting Started With the DBC Network Bridge
13
25
1
14
13
25
1
14
DBC DB25F DIGITAL AES/EBU PINOUTS DBC DB25F ANALOG PINOUTS
PIN FUNCTION PIN FUNCTION
1 N/C 14 GND
2 N/C 15 AES1 (L/R)–
3 N/C 16 AES3 (Ls/Rs)–
4N/C 17N/C
5 N/C 18 GND
6N/C 19N/C
7 AES1 (L/R)+ 20 N/C
8 AES3 (Ls/Rs)+ 21 AES4 (Bsl/Bsr)–
9 GND 22 AES4 (Bsl/Bsr)+
10 N/C 23 AES2 (C/SW)–
11 GND 24 AES2 (C/SW)+
12 N/C 25 GND
13 N/C
PIN FUNCTION PIN FUNCTION
1 GND 14 L–
2L+ 15GND
3 BSL– 16 BSL+
4 GND 17 C–
5C+ 18GND
6 BSR– 19 BSR+
7 GND 20 R–
8R+ 21N/C
9 GND 22 GND
10 Ls– 23 Ls+
11 Rs– 24 Rs+
12 SW– 25 SW+
13 GND
Operation Manual
DBC Network Bridge
page 6
1.2 Communicating with the DBC Network
Bridge: TCP/IQ™ Networking
1.2.1 The Network Wizard
If you are setting up a dedicated audio network that is not part of
another network, you can use the Network Wizard to set up your
network easily.
1. Open IQwic.
2. Select Setup > Network Wizard.
3. Follow the instructions on the screen.
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.
The computer connects to the DBC Network Bridge on a TCP/IQ
network via a Category 5 cable plugged into the Primary Network
connector on the back of the DBC Network Bridge. The TCP/IQ
format uses off-the-shelf, fast (100 Mb) Ethernet connections.
CobraNet lets you plug in a single cable for both networking and
digital audio -- this is Crown’s Single-Click solution.
Every component in a TCP/IQ network is identified by a unique
address.
1.2.3 TCP/IQ Addressing Rules
In the next section, you will be assigning TCP/IP addresses to
the devices in your network. When you do so, be sure to follow
the addressing rules below. Otherwise, the computer may not
communicate with the devices.
Turn off DHCP (automatic addressing). This will be done in
Instruction 1C, described later.
Assign each device a static (fixed) IP address. An IP address is
made of four numbers separated by periods. Each number can be
zero to 255. The last number can never be a zero or 255. For
example, 126.126.17.1 could be an IP address. 126.126.17.0
would not be a valid IP address.
Make sure that the computer and all the devices have the same
NETWORK IDs in their addresses. This tells the computer that all
those devices are on the same network. Various tools are avail-
able to determine whether devices are on the same network. In
TCP/IQ utility described later, if items are NOT on the same net-
work, they are highlighted in the list.
Make sure that each component has its own TCP/IP address, and
there are no duplicate addresses. The same holds true for IQ
addresses.
Assign a subnet mask. Make it the same for all devices on the
network. If the network you are assembling will interconnect with
other networks, your network is considered to be a subnet within
the larger network. Check with the network administrator to
determine the proper Subnet Mask for your subnet.
If you have a stand-alone network, set the Subnet Mask to
255.255.0.0 for all components, including the computer.
Note: Just because two components have the same subnet mask
does not mean that they are on the same network. As we said, the
subnet mask just tells what part of the TCP/IP address is the Net-
work ID.
Getting Started With the DBC Network Bridge
DBC Network Bridge
Operation Manual page 7
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. Section 1.2.5 includes a helpful worksheet for
assigning addresses.
1. Turn on your computer and the rest of the system equipment. On your computer desk-
top, select Start > Settings > Control Panel > Network Connections (Figure 1.3). Set a static
TCP/IP address and Subnet mask on the master computer. Document the address and
mask.
Figure 1.3 Selecting Settings > Control Panel
1A. Right-click on LAN Connections. Then select Internal > Properties (Figure 1.4).
Figure 1.4
Result of Clicking LAN Connections > Internal
Getting Started With the DBC Network Bridge
Operation Manual
DBC Network Bridge
page 8
1B. Once the Properties window opens (Figure 1.5), click on Internet Protocol (TCP/IP).
Figure 1.5 Internal Properties Window
1C. We recommend that you uncheck “Obtain an IP address automatically”, and check
“Use the following address.” If you decide to set an IP address manually, specify an IP
address. The IP address is four numbers between 1 and 255 separated by periods. For
example, 126.126.0.1.
Select a subnet mask. The subnet mask is four numbers between 1 and 255 separated by
periods. For example, 255.255.0.0.
1D. Click OK and close the Control Panel. At this point, some computer operating systems
will require a restart.
Figure 1.6 Internet Protocol (TCP/IP) Properties Window
Getting Started With the DBC Network Bridge
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. Open
the supplied Excel worksheet called IQ Worksheet.XLS.
255 255 0 0
126 126 0 1
DBC Network Bridge
Operation Manual page 9
EXAMPLE OF AN IQ ADDRESSING WORKSHEET
ADDRESS IQ ADDRESS MODEL DESCRIPTION CHANNEL 1 CHANNEL 2
126.126.0.1 COMPUTER
126.126.0.2 2 I-T8000 #1 RACK ROOM LEFT CLUSTER RIGHT CLUSTER
126.126.0.3
126.126.0.4
126.126.0.5
126.126.0.6
126.126.0.7
126.126.0.8
126.126.0.9
126.126.0.10
126.126.0.11
126.126.0.12
126.126.0.13
126.126.0.14
126.126.0.15
126.126.0.16
126.126.0.17
126.126.0.18
126.126.0.19
126.126.0.20
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. Without getting into all of the networking rules, the table lists
approximately 20 network addresses out of a possible 65,534 addresses on this network.
There are other addresses that are valid; these are just shown as a starting point.
• The Subnet Mask for all components, including the computer, needs to be set to
255.255.0.0.
• Each computer running IQwic software must have a subnet mask of 255.255.0.0. It also
must be assigned one of the addresses listed on the following table.
• A space has been left to the right of all the addresses. This area is for your notes, such as
the IQ address or the component type.
In the CD-ROM that came with your DBC Network Bridge is an Excel spreadsheet that you
can use to keep track of TCP/IQ addresses.
Table 3
Operation Manual
DBC Network Bridge
page 10
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. Also read Chapter 6, Troubleshooting.
Figure 1.8 Example of Discovered Components
2B. Once TCP/IQ Utility has launched, select a single component and click on Set
Address. In the Set Address window (Figure 1.9), set up a TCP/IQ address—it must be
unique. Then set up the same Subnet mask for all of the components as well as the master
computer. Set the IQ address, and select Send Code.
2C. Close the software. Repeat as necessary.
Figure 1.9 Set Address Window
3. Launch the IQwic program. (Figure 1.10).
Figure 1.10 Selecting IQ Systems > IQwic
Getting Started With the DBC Network Bridge
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