Ross ADA-8504 User Manual

Ross Video Limited

ADA-8504

Dual Reclocking AES Distribution Amplifier

User Manual

Ross Part Number: 8504D-004
Issue: 03

ADA-8504 • Dual Reclocking AES Distribution Amplifier User Manual

• Ross Part Number: 8504D-004

• Document Issue: 03

• Release Date: December 21, 2005. Printed in Canada.

The information contained in this User Manual is subject to change without notice or obligation.

Copyright

© 2005 Ross Video Limited. All rights reserved.

Contents of this publication may not be reproduced in any form without the written permission of Ross
Video Limited. Reproduction or reverse engineering of copyrighted software is prohibited.

Notice

The material in this manual is furnished for informational use only. It is subject to change without
notice and should not be construed as a commitment by Ross Video Limited. Ross Video Limited
assumes no responsibility or liability for errors or inaccuracies that may appear in this manual.

Trademarks

• is a registered trademark of Ross Video Limited.



• Ross, ROSS, ROSS

• All other product names and any registered and unregistered trademarks mentioned in

this manual are used for identification purposes only and remain the exclusive property
of their respective owners.

, and MLE are registered trademarks of Ross Video Limited.

Important Regulatory and Safety Notices

Before using this product and any associated equipment, refer to the “Important Safety Instructions”
listed below so as to avoid personnel injury and to prevent product damage.

Products may require specific equipment, and /or installation procedures be carried out to satisfy
certain regulatory compliance requirements. Notices have been included in this publication to call
attention to these Specific requirements.

Symbol Meanings

Warning

Caution

Notice

ESD

Susceptibility

This symbol on the equipment refers you to important operating and maintenance
(servicing) instructions within the Product Manual Documentation. Failure to heed
this information may present a major risk of damage or injury to persons or
equipment.

The symbol with the word “Warning” within the equipment manual indicates a
potentially hazardous situation, which if not avoided, could result in death or serious
injury.

The symbol with the word “Caution” within the equipment manual indicates a
potentially hazardous situation, which if not avoided, may result in minor or
moderate injury. It may also be used to alert against unsafe practices.

The symbol with the word “Notice” within the equipment manual indicates a
situation, which if not avoided, may result in major or minor equipment damage or a
situation which could place the equipment in a non-compliant operating state.

This symbol is used to alert the user that an electrical or electronic device or
assembly is susceptible to damage from an ESD event.

Important Safety Instructions

Caution

Warning

Warning

This product is intended to be a component product of the RossGear 8000 series
frame. Refer to the RossGear 8000 series frame User Manual for important safety
instructions regarding the proper installation and safe operation of the frame as well
as it’s component products.

Certain parts of this equipment namely the power supply area still present a safety
hazard, with the power switch in the OFF position. To avoid electrical shock,
disconnect all A/C power cords from the chassis' rear appliance connectors before

ervicing this area. s

Service barriers within this product are intended to protect the operator and service
personnel from hazardous voltages. For continued safety, replace all barriers after
any servicing.

This product contains safety critical parts, which if incorrectly replaced may present
a risk of fire or electrical shock. Components contained within the product’s power
supplies and power supply area, are not intended to be customer serviced and should
be returned to the factory for repair.

To reduce the risk of fire, replacement fuses must be the same type and rating.

Only use attachments/accessories specified by the manufacturer.

EMC Notices

US FCC Part 15

This equipment has been tested and found to comply with the limits for a class A Digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. 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.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
users will be required to correct the interference at their own expense.

Notice

Changes or modifications to this equipment not expressly approved by Ross Video
Ltd. could void the user’s authority to operate this equipment.

CANADA

This Class “A” digital apparatus complies with Canadian ICES-003.

Cet appareil numerique de classe “A” est conforme à la norme NMB-003 du Canada.

EUROPE

This equipment is in compliance with the essential requirements and other relevant provisions of CE
Directive 93/68/EEC.

INTERNATIONAL

This equipment has been tested to CISPR 22:1997 along with amendments A1:2000 and A2:2002 and
found to comply with the limits for a Class A Digital device.

Notice

This is a Class A product. In domestic environments this product may cause radio
interference in which case the user may have to take adequate measures.

Maintenance/User Serviceable Parts

Routine maintenance to this RossGear product is not required. This product contains no user
serviceable parts. If the module does not appear to be working properly, please contact Technical
Support using the numbers listed under the “Contact Us” section on the last page of this manual. All
RossGear products are covered by a generous 5-year warranty and will be repaired without charge for
materials or labor within this period. See the “Warranty and Repair Policy” section in this manual for
details.

Environmental Information

The equipment that you purchased required the extraction and use of natural resources for its
production. It may contain hazardous substances that could impact health and the environment.

To avoid the potential release of those substances into the environment and to diminish the need for
the extraction of natural resources, Ross Video encourages you to use the appropriate take-back
systems. These systems will reuse or recycle most of the materials from your end-of-life equipment in
an environmentally friendly and health conscious manner.

The crossed-out wheeled bin symbol invites you to use these systems.

If you need more information on the collection, reuse, and recycling systems, please contact your local
or regional waste administration.

You can also contact Ross Video for more information on the environmental performances of our
products.

Contents

Introduction 1-1

In This Chapter .......................................................................................................................1-1

A Word of Thanks....................................................................................................1-1

Overview ..................................................................................................................1-2

Functional Block Diagram .......................................................................................1-2

Features ....................................................................................................................1-3

Documentation Terms ..............................................................................................1-3

Installation and Setup 2-1

In This Chapter .......................................................................................................................2-1

Static Discharge........................................................................................................2-1

Unpacking ................................................................................................................2-1

Channel Mode Setup ................................................................................................2-2

Fault Report Jumper Setup .......................................................................................2-2

Board Installation .....................................................................................................2-3

BNC Labels ..............................................................................................................2-3

Cable Connections....................................................................................................2-3

Dual Configuration Input and Output Cables...........................................................2-4

Single Configuration Input and Output Cables ........................................................2-4

LEDs.........................................................................................................................2-4

SMPTE 269M Fault Reporting 3-1

In This Chapter .......................................................................................................................3-1

Overview ..................................................................................................................3-1

Jumper Setup ............................................................................................................3-2

Frame Connections...................................................................................................3-2

Details.......................................................................................................................3-2

Specifications 4-1

In This Chapter .......................................................................................................................4-1

Technical Specifications...........................................................................................4-2

Service Information 5-1

In This Chapter .......................................................................................................................5-1

Troubleshooting Checklist .......................................................................................5-1

Warranty and Repair Policy .....................................................................................5-2

Ordering Information 6-1

In This Chapter .......................................................................................................................6-1

ADA-8504 and Related Products .............................................................................6-1

ADA-8504 User Manual (Iss. 03) Contents • i

ii • Contents ADA-8504 User Manual (Iss. 03)

Introduction

In This Chapter

This chapter contains the following information sections:

• A Word of Thanks

• Overview

• Functional Block Diagram

• Features

• Documentation Terms

A Word of Thanks

Congratulations on choosing the Ross Video ADA-8504 Dual Reclocking AES Distribution
Amplifier. The ADA-8504 is part of a full line of Digital Products within the RossGear Terminal

Equipment family of products, backed by Ross Video’s experience in engineering and design expertise
since 1974.

You will be pleased at how easily your new ADA-8504 fits into your overall working environment.
Equally pleasing is the product quality, reliability and functionality. Thank you for joining the group
of worldwide satisfied Ross Video customers!

Should you have a question pertaining to the installation or operation of your ADA-8504, please
contact us at the numbers listed on the back cover of this manual. Our technical support staff is always
available for consultation, training, or service.

ADA-8504 User Manual (Iss. 03) Introduction • 1-1

Overview

The RossGear ADA-8504 Dual Reclocking AES Distribution Amplifier is a program stream digital
audio reclocking distribution amplifier specifically designed for use in 75-ohm coaxial (SMPTE 276M
or AES-3id) systems. By moving an on-board jumper, the ADA-8503 can be set as a single
distribution amplifier; or as a dual amplifier. The single configuration provides one input and eight
outputs, while the dual configuration provides the first amplifier with one input and four outputs, and
the second amplifier with one input and three outputs. The ADA-8504 reclocks incoming data at 32,

44.1, 48, 88.2, and 96kHz sampling rates and provides automatic cable equalization for lengths beyond
610m (2000 ft.)

The ADA-8504 fits into Ross 8000A series digital frames, the DFR-8110A (2RU) and the DFR­8104A (1RU), and provides system builders with the ability to easily distribute digital audio within a

facility. The ADA-8503 also fits Leitch

The ADA-8504 has been designed with the capability to report a variety of AES signal errors
including No Lock, Coding, Parity, CRC, and Validity. These errors are indicated on a card edge
LED. In addition, there is SMPTE 269M Fault Reporting output to the back of the Ross frame.

A reclocking amplifier is the preferred method of distribution for long coaxial runs to reduce jitter in
the data stream. ADA-8504 performs reclocking in a two-stage process that develops a stable, low
jitter output.

*

6800 series frames.

The ADA-8504 is part of a growing line of RossGear AES solutions that includes distribution,
conversion, and monitoring products. Designed and manufactured to meet the highest quality
broadcast industry standards, the RossGear ADA-8504 is an ideal, flexible, and cost effective solution
for digital audio distribution requirements where reclocking is required.

Functional Block Diagram

*

Leitch is a trademark of Leitch Technology Corporation

1-2 • Introduction ADA-8504 User Manual (Iss. 03)

Figure 1. Simplified Block Diagram of ADA-8504 Functions

Features

The following features make the ADA-8504 Dual Reclocking AES Distribution Amplifier a great
choice for your AES reclocking distribution requirements:

• Support for any sampling rate in the 31kHz to 100 kHz range
including 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz

• Conformity to AES-3id 1995

• Reclocking of input signal(s) to reduce output jitter and noise

• Can be configured as either a single or a dual channel DA

• Terminating inputs 75Ω

• Auto equalization for greater than 610m (2000 ft.) of Belden 8281 cable

• Ten card capacity in the Ross DFR-8110A (2RU) digital rack frame

• Four card capacity in the Ross DFR-8104A (1RU) digital rack frame

• Fits Leitch 6800 series frames

• Visual indication of signal presence

• Visual indication of an error condition

• SMPTE 269M Fault Reporting

• 5-year transferable warranty

Documentation Terms

The following terms are used throughout this guide:

• “Frame” refers to the DFR-8104A and DFR-8110A frames that house the ADA-
8504 card.

• All references to the DFR-8104A and DFR-8110A also include the
DFR-8104A-C and DFR-8110A-C versions with the cooling fan option. See the

respective User Manuals for details.

• “Operator” and “User” both refer to the person who uses the ADA-8504.

• “Board”, “Card”, and “Module” all refer to the ADA-8504 board itself, including

all components and switches.

• “System” and “Video system” refers to the mix of interconnected production and
terminal equipment in which the ADA-8504 operates.

ADA-8504 User Manual (Iss. 03) Introduction • 1-3

1-4 • Introduction ADA-8504 User Manual (Iss. 03)

Installation and Setup

In This Chapter

This chapter contains the following information sections:

• Static Discharge

• Unpacking

• Channel Mode Setup

• Fault Report Jumper Setup

• Board Installation

• BNC Labels

• Cable Connections

ESD

Susceptibility

• Dual Configuration Input and Output Cables

• Single Configuration Input and Output Cables

• LEDs

Static Discharge

Whenever handling the ADA-8504 and other related equipment, please observe all static discharge
precautions as described in the following note:

Static discharge can cause serious damage to sensitive

semiconductor devices. Avoid handling circuit boards in high
static environments such as carpeted areas, and when wearing
synthetic fiber clothing. Always exercise proper grounding
precautions when working on circuit boards and related
equipment.

Unpacking

Unpack each ADA-8504 you received from the shipping container, and check the contents against the
packing list to ensure that all items are included. If any items are missing or damaged, contact your
sales representative or Ross Video directly.

ADA-8504 User Manual (Iss. 03) Installation and Setup • 2-1

Fault Report

JP4

Figure 2. Jumper Locations

Input Select

JP5

BNC 7 Select

JP6

Channel Mode Setup

JP5 and JP6 configure the function of the card to operate as a single or dual channel amplifier. Use

Figure 2, the card labeling, and the following discussion to set up the card.

Dual Channel

Set JP5 and JP6 as follows:

• JP5 — IN2 (default setting).

• JP6 — IN2 (default setting).

Single Channel

Set JP5 and JP6 as follows:

• JP5 — IN1

• JP6 — OUT

Fault Report Jumper Setup

Use Figure 2, the card labeling, and the following discussion to enable or disable SMPTE 269M Fault
Reporting.

Select SMPTE 269M Fault Reporting, ENABLED or DISABLED, via JP4 The default is EN.

See Chapter 3, “SMPTE 269M Fault Reporting” for details on fault reporting.

2-2 • Installation and Setup ADA-8504 User Manual (Iss. 03)

Board Installation

Use the following steps to install the ADA-8504 in a RossGear 8000 series digital distribution frame:

1. Refer to the User Manual of the RossGear 8000 series frame, to ensure that the
frame is properly installed according to instructions. If this module is to be installed
in any compatible frame other than a Ross Video product, refer to the frame
manufacturer’s manual for specific instructions.

2. Please note that heat and power distribution requirements within a frame may dictate
specific slot placement of cards. Cards with many heat-producing components
should be arranged to avoid areas of excess heat build-up, particularly in frames
using convectional cooling.

3. After selecting the desired frame installation slot, hold the ADA-8504 card by the
edges and carefully align the card edges with the slots in the frame. Then fully insert
the card into the frame until the rear connection plug is properly seated.

BNC Labels

The ADA-8504 is supplied with two BNC labels, one for single amplifier configuration and one for
dual amplifier configuration. Affix the supplied BNC label, as per the included instructions, to the
BNC area on the rear of the rack frame.

Cable Connections

This section provides instructions for connecting cables to the ADA-8504 when mounted in RossGear
8000 series Digital Products Frames.

Connect the input and output cables according to the frame rear panel connections diagram in the
following figures. The inputs are internally terminated in 75 ohms. It is not necessary to terminate
unused outputs.

Figure 3. Digital Frame BNC Cable Connections for ADA-8504

ADA-8504 User Manual (Iss. 03) Installation and Setup • 2-3

Dual Configuration Input and Output Cables

AES Inputs

The first AES audio input should be connected to BNC IN on the rear of the frame. The second AES
audio input should be connected to BNC 7 on the rear of the frame. Set JP1 and JP2 appropriately.

AES Outputs

The ADA-8504 provides four AES outputs (BNC 1, 2, 3, and 4) for the first amplifier and three AES
outputs (BNC 5, 6, and 8) for the second amplifier.

Single Configuration Input and Output Cables

AES Input

The AES audio input should be connected to BNC IN on the rear of the frame. Set JP1 and JP2
appropriately.

AES Outputs

The ADA-8503 provides eight AES outputs (BNC 1 through 8).

LEDs

The front edge of the module has four LED indicators, which show the status of each amplifier. They
are described in the following figure and table. The module is operating correctly when the Input
Present LEDs are lit and the Error LEDs are not lit.

DA1 Input Present
DA1 Error

DA2 Input Present
DA2 Error

2-4 • Installation and Setup ADA-8504 User Manual (Iss. 03)

Figure 4. ADA-8504 Status LEDs

Table 1. ADA-8504 Status LED Descriptions

LED Reference Status Description

DA1

or

DA2

Input present
(Green)

Error

(Red)

Indicates presence of an input signal.

One or more of the following problems have been encountered:

1. No Lock – Unable to lock to the incoming signal

2. Coding - Bi-phase coding violation

3. Parity - There is a parity error

4. CRC - Error in the CRC calculation

5. Validity - The integrity of this sample is in question

ADA-8504 User Manual (Iss. 03) Installation and Setup • 2-5

2-6 • Installation and Setup ADA-8504 User Manual (Iss. 03)

SMPTE 269M Fault Reporting

In This Chapter

This chapter contains the following sections:

• Overview

• Jumper Setup

• Frame Connections

• Details

Overview

The SMPTE 269M Fault Reporting system, also known as a SMPTE “alarm”, provides indication if
one or more frame modules encounter a fault or an abnormal condition. The ADA-8504 module
provides a jumper to enable SMPTE-269M fault reporting. The card connects by means of an internal
interface circuit to an auxiliary telco connector on RossGear 8000 series frames. When the frame
connection is interfaced with a customer-designed system of LEDs or audible alarms, faults can be
traced to a specific frame when a card fault occurs within that frame.

The following diagram illustrates a general arrangement for SMPTE 269M alarm reporting:

Figure 5. SMPTE 269M Alarm Reporting: Internal interface and typical connections

ADA-8504 User Manual (Iss. 03) SMPTE 269M Fault Reporting • 3-1

Jumper Setup

If fault reporting for the ADA-8504 is desired, use jumper JP4 - 269M FAULT REPORT to set up
the card.

1. To access the jumper, remove the card from the frame by pressing down the white
card ejector tab and pulling the card from the frame slot.

2. Observing all static discharge and handling precautions, place the card with the
component side facing up on a clean flat surface.

3. To enable SMPTE fault reporting, set jumper JP4 to EN position.

4. To disable SMPTE fault reporting, set jumper JP4 to DIS position.

Frame Connections

The SMPTE 269M Fault Reporting connection on RossGear 8000 series frames is provided by the
auxiliary telco connector, AUX A, for interfacing with a customer-designed alarm system.

AUX A Connector for SMPTE 269M

Fault Reporting

Figure 6. SMPTE 269M Alarm Reporting Frame Connections

Details

The fault report contacts are closed when the card detects an internal failure or a power loss condition.
The fault report will pulse off for 1 to 2 ms about every 16ms if the input signal is low or missing.

Some internal failures are:

• Failure of the card to initialize

• Failure in the fault reporting circuitry

• Failure to detect a valid input signal to the card

For additional information on alarm system design, refer to the SMPTE document ANSI/SMPTE
269M - 1999.

3-2 • SMPTE 269M Fault Reporting ADA-8504 User Manual (Iss. 03)

Specifications

In This Chapter

This chapter contains the Technical Specifications table.

ADA-8504 User Manual (Iss. 03) Specifications • 4-1

Technical Specifications

Table 2. ADA-8504 - Technical Specifications

Category Parameter Specification

Number of Inputs 1 or 2 (Jumper Configurable)

Standards AES-3id (SMPTE 276M)

Sampling Rates All rates in the 31kHz to 100kHz range

AES Input

AES Output

Environmental

Input Impedance

75Ω

Connector BNC

Input Return Loss >39dB to 6MHz

Equalization >610m (2000 ft.) of Belden 8281

Input Level 1V p-p nominal

Number of Outputs

8 (Single Mode)
4+3 (Dual Mode)

Standards AES-3id (SMPTE 276M)

Output Impedance

75Ω

Output Isolation 48dB

Signal Level 1.0V p-p ±10%

Rise and Fall Time 30ns Typical

Output Jitter <4ns peak @ 48kHz (24.5mUI)

Output Return Loss >46dB to 6MHz

Electrical Path Length 260ns @ 48kHz

Operating Range

5 °C – 40 °C ambient

Power

Specifications are subject to change without notification.

4-2 • Specifications ADA-8504 User Manual (Iss. 03)

Total Consumption 1.9W

Service Information

In This Chapter

This chapter contains the following sections:

• Troubleshooting Checklist

• Warranty and Repair Policy

Troubleshooting Checklist

Routine maintenance to this RossGear product is not required. In the event of problems with your
ADA-8504, the following basic troubleshooting checklist may help identify the source of the problem.
If the module still does not appear to be working properly after checking all possible causes, please
contact your Ross Video products distributor, or the Ross Video Technical Support department at the
numbers listed under the “Contact Us” section at the end of this manual.

1. Visual Review – Performing a quick visual check may reveal many problems, such

as connectors not properly seated or loose cables. Check the module, the frame, and
any associated peripheral equipment for signs of trouble.

2. Power Check – Check the power indicator LED on the distribution frame front

panel for the presence of power. If the power LED is not illuminated, verify that the
power cable is connected to a power source and that power is available at the power
main. Confirm that the power supplies are fully seated in their slots. If the power
LED is still not illuminated, replace the power supply with one that is verified to
work.

3. Reseat the Card in the Frame – Eject the card and reinsert it in the frame.

4. Check Control Settings – Refer to the Installation and Operation sections of the

manual and verify all user-adjustable component settings.

5. Input Signal Status – Verify that source equipment is operating correctly and that a

valid signal is being supplied.

6. Output Signal Path – Verify that destination equipment is operating correctly and

receiving a valid signal.

7. Module Exchange – Exchanging a suspect module with a module that is known to

be working correctly is an efficient method for localizing problems to individual
modules.

ADA-8504 User Manual (Iss. 03) Service Information • 5-1

Warranty and Repair Policy

The RossGear ADA-8504 is warranted to be free of any defect with respect to performance, quality,
reliability, and workmanship for a period of FIVE (5) years from the date of shipment from our
factory. In the event that your RossGear ADA-8504 proves to be defective in any way during this
warranty period, Ross Video Limited reserves the right to repair or replace this piece of equipment
with a unit of equal or superior performance characteristics.

Should you find that this RossGear ADA-8504 has failed after your warranty period has expired, we
will repair your defective product should suitable replacement components be available. You, the
owner, will bear any labor and/or part costs incurred in the repair or refurbishment of said equipment
beyond the FIVE (5) year warranty period.

In no event shall Ross Video Limited be liable for direct, indirect, special, incidental, or consequential
damages (including loss of profits) incurred by the use of this product. Implied warranties are
expressly limited to the duration of this warranty.

This RossGear ADA-8504 User Manual provides all pertinent information for the safe installation and
operation of your RossGear Product. Ross Video policy dictates that all repairs to the RossGear ADA­8504 are to be conducted only by an authorized Ross Video Limited factory representative. Therefore,
any unauthorized attempt to repair this product, by anyone other than an authorized Ross Video
Limited factory representative, will automatically void the warranty. Please contact Ross Video
Technical Support for more information.

In Case of Problems

Should any problem arise with your RossGear ADA-8504, please contact the Ross Video Technical
Support Department. (Contact information is supplied at the end of this publication.)

A Return Material Authorization number (RMA) will be issued to you, as well as specific shipping
instructions, should you wish our factory to repair your RossGear ADA-8504. If required, a
temporary replacement module will be made available at a nominal charge. Any shipping costs
incurred will be the responsibility of you, the customer. All products shipped to you from Ross Video
Limited will be shipped collect.

The Ross Video Technical Support Department will continue to provide advice on any product
manufactured by Ross Video Limited, beyond the warranty period without charge, for the life of the
equipment.

5-2 • Service Information ADA-8504 User Manual (Iss. 03)

Ordering Information

In This Chapter

This chapter contains ordering information for the ADA-8504 and related products.

ADA-8504 and Related Products

Standard Equipment

• ADA-8504 Dual Reclocking AES Distribution Amplifier

Optional Equipment

• 8504D-004 Dual Reclocking AES Distribution Amplifier User Manual
(additional User Manual)

• DFR-8104A Digital Products Frame and Power Supply (PS-8102)
(1RU, holds 4 modules, includes 1 power supply)

• DFR-8104A-C Digital Products Frame with Cooling Fan Module
and Power Supply (PS-8102)
(1RU, holds 4 modules, includes 1 power supply)

• DFR-8110A Digital Products Frame and Power Supply (PS-8102)
(2RU, holds 10 modules, includes 1 power supply)

• DFR-8110A-C Digital Products Frame with Cooling Fan Module
and Power Supply (PS-8102)
(2RU, holds 10 modules, includes 1 power supply)

Your ADA-8504 Dual Reclocking AES Distribution Amplifier is a part of the RossGear family of
products. Ross Video offers a full line of RossGear terminal equipment including distribution,
conversion, monitoring, synchronizers, encoders, decoders, keyers, switches, as well as analog audio
and video products.

ADA-8504 User Manual (Iss. 03) Ordering Information • 6-1

Notes:

6-2 • Ordering Information ADA-8504 User Manual (Iss. 03)

Notes:

ADA-8504 User Manual (Iss. 03) Ordering Information • 6-3

Contact Us

Contact our friendly and professional support representatives for the following:

• Name and address of your local dealer

• Product information and pricing

• Technical support

• Upcoming trade show information

General Business Office
and Technical Support

PHONE

After-hours Support

Fax

General Information

E-MAIL

Technical Support

Ross Video Limited

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SERVICE

Ross Video Incorporated

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