Cobalt Digital Inc 9253 Bedienungsanleitung

9253 Manual V1.2

1/30/2014

9253

Dual 1 x 4 AES/EBU Distribution Amplifier-75 Ohm with SRC

User Manual

CDI Part number: 9253

V1.2

9253 •

••

•Dual 1 x 4 AES/EBU Distribution Amplifier-75 Ohm with SRC, User Manual

•Cobalt Digital Part Number: 9253

•Document Version: 1.2 (Jan 2014)

•Printed in the USA.

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

obligation.

Contents of this publication may not be reproduced in any form without the written permission

of Cobalt Digital Inc. 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 Cobalt Digital Inc. Cobalt

Digital Inc. assumes no responsibility or liability for errors or inaccuracies that may appear in

this manual.

Trademarks

•is a registered trademark of Ross Video Limited.

•is a registered trademark of Cobalt Digital Inc.

•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.

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.

Symbol Meanings

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.

Warning

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.

Caution

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.

Notice

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.

ESD

Susceptibility

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

Refer to the frame manual for important safety instructions regarding the

proper installation and safe operation of the frame as well as it’s component

products.

Warning

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 servicing this area.

Warning

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 Cobalt

Digital Inc. 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 àla 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 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. This product is 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, Cobalt Digital Inc. 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.

Introduction

This chapter contains the following sections:

•Overview

•Functional Block Diagram

•Features

•Documentation Terms

Overview

The 9253 is a Dual AES/EBU distribution amplifier designed for broadcast use. It can provide

four copies of each incoming signal. It may also be used to provide up to eight outputs that

are sample rate converted.

The 9253 supports audio sampling frequencies from 30kHz to 192 kHz. Cable equalization

and reclocking techniques enable the 9253 to recover the incoming digital audio signal

reliably.

The 9253 is housed in the HPF-9000 or similar 20-slot frames.

Functional Block Diagram

1-1

1-3

AES

OUTPUTS

1-2

1-4

CABLE EQ RECLOCK

2-1

2-3

AES

OUTPUTS

2-2

2-4

TALLIES

LOCK

NOLOCK

COM

ERROR

CAN BUS

12345 678

CONTROL

DIP SWITCHES

TERMINATION

ADDRESS

CAN ADDRESS

TONE SRC

CABLE EQ RECLOCK

TONE

LOCK

NO LOCK

CH 1 CH 2

REF 1

REF 2

INPUTS

Figure 1. Simplified Block Diagram of the 9253 Functions

Features

The following features make the 9253 the best solution for digital audio distribution.

•Cable equalization and data reclocking on the incoming AES/EBU signal

•Supports audio sampling frequencies from 30kHz to 192 kHz

•5 year warranty

•Fits HPF-9000 and similar series 20-slot frames

Documentation Terms

The following terms are used throughout this guide:

•“Frame”refers to the HPF-9000 or similar 20-slot frame that houses the 9253

card.

•“Operator”and “User”refer to the person who uses the 9253.

•“Board”, and “Card”refer to the 9253 card itself, including all components

and switches.

Installation and Setup

This chapter contains the following sections:

•Static Discharge

•Unpacking

•Rear Module Options

•Board Installation

Static Discharge

Whenever handling the 9253 and other related equipment, please observe all static discharge

precautions as described in the following note:

ESD

Susceptibility

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 9253 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 Cobalt Digital Inc. directly.

Rear Module Installation

If you are installing the card into a slot with no rear module, you should have ordered and received an

appropriate 9253 rear module. You will need to install it in your frame before you can connect cables.

Use the following steps to install a rear module in the frame:

1. On the rear of the frame, locate the card frame slot.

2. As shown in Figure 2, seat the bottom of the rear module in the seating slot at the

base of the frame’s back plane.

Figure 2. Rear Module Installation

3. Align the top hole of the RM-9253-A with the screw hole on the top edge of the

frame back plane.

4. Using a Phillips driver and the supplied screw, fasten the rear module to the frame

back plane. Do not over tighten.

All modules are installed using the same method above.

The following section contains a drawing of the RM-9253-A module.

Rear Module Options

All connections are 75 Ohms. Rear module RM20-9253-A uses BNC type connectors. Rear

modules RM20-9253-A/S, RM20-9253-B/S-DIN and RM20-9253-B/S-HDBNC are “split”rear

modules that accommodate 2 cards per rear module in adjacent slots. The –B/S module is

available with DIN 1.0/2.3 or HD-BNC connectors.

RM20-9253-A RM20-9253-A/S RM20-9253-B/S

Figure 2. 9253 Rear Modules

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