Miranda DENSITE series Bedienungsanleitung

DENSITÉ series

DCO-1741 / DCO-1781

2/4 AES Changeover

Guide to Installation and Operation

M879-9900-100

16 Sep 2008

Miranda Technologies Inc.

3499 Douglas-B.-Floreani

St-Laurent, Québec, Canada H4S 1Y6

Tel. 514-333-1772

Fax. 514-333-9828

www.miranda.com

GUIDE TO INSTALLATION AND OPERATION

2 | DCO-1741/1781

Safety Compliance Information

Safety Compliance

This equipment complies with:

- CSA C22.2 No. 60950-1-03 / Safety of Information Technology Equipment, Including Electrical Business Equipment.

- UL 60950-1 (1st Edition) / Safety of Information Technology Equipment, Including Electrical Business Equipment.

- IEC 60950-1 (1st Edition) / Safety of Information Technology Equipment, Including Electrical Business Equipment.

CAUTION

These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not

perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all

servicing to qualified service personnel. Servicing should be done in a static-free environment.

Electromagnetic Compatibility

- This equipment has been tested for verification of compliance with FCC Part 15, Subpart B, class A requirements for

Digital Devices.

- This equipment complies with the requirements of:

EN 55022 Class A, Electromagnetic Emissions,

EN 61000-3-2 & -3-3, Disturbance in Supply Systems

EN 61000-4-2, -3, -4, -5, -6, -8 & -11 Electromagnetic Immunity

How to contact us:

For technical assistance, please contact the Miranda Technical support centre nearest you:

Americas

Telephone:

+1-800-224-7882

e-mail:

[email protected]

Asia

Telephone:

+852-2539-6987

e-mail:

[email protected]

Europe, Middle East, Africa, UK

Telephone:

+44 (0) 1491 820222

e-mail:

[email protected]

China

Telephone:

+86-10-5873-1814

e-mail:

asiatech@miranda.com

France (only)

Telephone:

+33 (0) 1 55 86 87 88

e-mail:

[email protected]

Visit our web site at www.miranda.com

GUIDE TO INSTALLATION AND OPERATION

DCO-1741/1781 | 3

Table of Contents

1DCO-1741/DCO-1781 2/4 AES Changeover..............................................................................5

1.1 Introduction ......................................................................................................................................... 5

1.2 Features .............................................................................................................................................. 5

1.3 Applications......................................................................................................................................... 6

1.4 Block Diagram..................................................................................................................................... 8

1.5 Front Card-edge Interface................................................................................................................... 8

2Installation ..................................................................................................................................9

2.1 Unpacking ........................................................................................................................................... 9

2.2 Installation in the Densité frame.......................................................................................................... 9

2.3 Rear Panels ........................................................................................................................................ 9

2.4 Connections ........................................................................................................................................ 9

2.5 Using the GPI interface..................................................................................................................... 11

3Operation ..................................................................................................................................12

3.1 Control options.................................................................................................................................. 12

3.2 Card-Edge Status LED...................................................................................................................... 12

3.3 Local control using the Densité frame control panel......................................................................... 13

3.3.1 Overview .............................................................................................................................. 13

3.3.2 Menu for local control........................................................................................................... 13

3.4 Remote control using iControl........................................................................................................... 14

3.4.1 The iControl graphic interface window................................................................................. 14

3.4.2 The Switch panel.................................................................................................................. 16

3.4.3 The Alarms panel................................................................................................................. 19

3.4.4 The Reference panel ........................................................................................................... 27

3.4.5 The Status panel.................................................................................................................. 28

3.4.6 The Test Signals panel ........................................................................................................ 28

3.4.7 The C-Link panel.................................................................................................................. 29

3.4.8 The RALM panel .................................................................................................................. 30

3.4.9 The Rear Type panel ........................................................................................................... 31

3.4.10 The Factory / Presets panel................................................................................................. 32

3.4.11 The Options panel................................................................................................................ 35

3.4.12 The Info panel ...................................................................................................................... 36

3.4.13 The Alarm Config panel ....................................................................................................... 37

4Specifications...........................................................................................................................40

ANNEX – Local Control Panel User Interface..............................................................................42

GUIDE TO INSTALLATION AND OPERATION

4 | DCO-1741/1781

GUIDE TO INSTALLATION AND OPERATION

DCO-1741/1781 | 5

1 DCO-1741/DCO-1781 2/4 AES Changeover

1.1 Introduction

The DCO-1741/1781 is a 2/4 AES changeover. The switch is performed electronically by an internal router.

In the event of a power failure, the signal is protected by the relays fitted on the rear module, and this

maintains the integrity of the selected signal at the output. The DCO-17n1* card allows switching as a regular

router, or alternatively the module can perform an audio silent switch between sources using the silent switch

option (software option).

* In this manual, the terminology DCO-17n1 refers to both the DC0-1741 and the DCO-1781. Any text that

applies to only one of them will refer to that product specifically

Input selection can be performed manually or automatically. In automatic mode, the card will perform input

selection based on internal signal analysis with alarm parameters, and the status of the inputs. In manual

mode, channel selection can be undertaken from the Densité Controller, the iControl software, or simply by

using a GPI. A GPI can be connected to an automation system or another device to control input selection.

The GPI outputs give status of the selected source, and this can be used to trigger Tallies.

The module provides audio level metering so that an operator can remotely and effectively monitor the signal

path using Miranda’s iControl facility monitoring and control system.

Finally, the DCO-17n1 cards can work in conjunction with the HCO-1821 (HD/SD/ASI changeover). In

multiple card operation, the DCO-17n1 can operate in “audio follow video” mode where the video and audio

changeovers are seen as a unique 2x1 switching system

1.2 Features

•DCO-1741 has 2 AES on each input

•DCO-1781 has 4 AES on each input

•Electronic switching with relay backup (on rear module)

•Automatic mode using internal signal analysis with alarm parameters

•Manual change over by local frame controller, iControl, iControl Solo, GPI or RCP-100

•Alarm reporting to iControl facility monitoring and control system

•GPI in & out (IN 1, IN2, AUTO, BYPASS)

•Optional silent switch function

•Frame reference input

•Monitoring Switching Bridge (MSB) compatible

•Audio level meter streaming

•Can work with the HCO-1821 video changeover

GUIDE TO INSTALLATION AND OPERATION

6 | DCO-1741/1781

1.3 Applications

Application 1a: Master Control

In this application, the DCO-17n1 is used upstream of the master control switcher. It is switching between the

main audio feed and an audio apology slide. This configuration has been seen several times, particularly in

Europe (France 5…)

Apology

Slide

DCO-17x1

Master

Control

Switcher

HD-SDI

Audio

Router

Video

Router

4 AES

HCO-1821

HD-SDI

Backup Path (2nd Master Control or Bypass chain)

HD-SDI

AIR

Application 1b: Master Control (AC3 encode)

In this variant, the DCO-17n1 is used to switch between main and backup audio to feed the station output

AC3 encoder.

Apology

Slide

DCO-17x1

Master

Control

Switcher

HD-SDI

Audio

Router

Video

Router

4 AES

HCO-1821

HD-SDI

Video Backup

AIR

DCO-17x1

Audio Backup

4 AES

MPEG

Encoder

AC3

Encoder

Demux

GUIDE TO INSTALLATION AND OPERATION

DCO-1741/1781 | 7

Application 2a: Incoming feeds

Some IRDs work with discrete audio. The DCO-17n1 is used to switch between the main and backup audio

feeds. The resulting audio is then muxed with the main video, before feeding the station router.

DCO-17x1

HD/SD

4 AES

Embedder

HD-SDI

Main IRD

4 AES

HCO-1821

HD-SDI

Backup IRD

HD-SDI

4 AES HD-SDI

4 AES

With embedded audio

Main

Station

Router

-PCM

-Dolby E/AC3

Application 2b: Incoming feeds (Dolby E decode)

In this variant, the DCO-17n1 is used to switch between main and backup audio to feed the station input

Dolby E decoder.

DCO-17x1

HD-SDI

Main IRD

4 AES

HCO-1821

HD-SDI

Backup IRD

HD-SDI

4 AES HD-SDI

4 AES

With embedded audio

Main

Station

Router

HD/SD

4 AES

Embedder

Dolby E

Decoder

Video

Delay

Application 3: Audio only

Radio stations can use this card in an audio only environment with the sale functions.

GUIDE TO INSTALLATION AND OPERATION

8 | DCO-1741/1781

1.4 Block Diagram

The following block diagram shows the functionality of the DCO-17n1.

Rear

DCO-1781 Card

PCM CLIP

PGM

Silent Switch

Option

Control

SEL-1

SEL-2

+5V,

IN1/IN2,

Bypass

Signal

Validity

Signal

Compare

Card to

Card Link

11SEL

2SEL

GND

DPDT

Latching

Relay

Bypass

AES INPUTS

2/4 AES

GPI Outputs

GPI Inputs

TONE

GENLOCK

MNTR

PGM

Auto

MSB

URS

Auto

+5V

ALM

Term.

Off

Term.

Off Signal

Validity

4x1

MNTR

Select 4

Quad

2x1

Quad

2x1

PGM

Select

ALM

Figure 1-1 Functional block diagram of the DCO-17n1 and its Rear Panel

1.5 Front Card-edge Interface

The front card-edge of the DCO-17n1 incorporates three

elements:

•Status LED (see section 3.2)

•Select Button (see section 3.3)

•C-LINK connector (see section 3.4.7)

Figure 1.2 Front card-edge layout

Select

Status

Status LED

SELECT button

DCO-1781

C-LINK connector

DCO-17n1 Card

GUIDE TO INSTALLATION AND OPERATION

DCO-1741/1781 | 9

2 Installation

2.1 Unpacking

Make sure the following items have been shipped with your DCO-17n1. If any of the following items are

missing, contact your distributor or Miranda Technologies Inc.

•DCO-1741 or DCO-1781 Integrated Receiver and Decoder

•DCO-17n1-75-DRP-R or DCO-17n1-110-DRP-R Rear Panel (see figure 2.1)

2.2 Installation in the Densité frame

The DCO-17n1 and its associated rear connector rear panel must be mounted in a Densité 2 frame. It is not

necessary to switch off the frame’s power when installing or removing the card. See the Densité 2 frame

manual for detailed instructions for installing cards and their associated rear panels.

Extender panels for Densité 2 rear module and card are needed to fit the card in a Densité 3 frame.

2.3 Rear Panels

The DCO-17n1 has multiple inputs and outputs, and making space for all the necessary connectors at the

rear of the frame requires a double-width rear panel.

With the double-width rear panel installed, the DCO-17n1 must be installed in the right-most of the two slots

covered by the panel in order to mate with the panel’s connectors.

If it is placed in the wrong slot, the front panel LED will flash red. Move the card to other slot for correct

operation. No damage will result to the card should this occur.

2.4 Connections

The rear panel connections are as follows:

•PGM 1 & PGM 2 AES Inputs – Signal inputs on a 26-pin connector

•PGM & PVW AES Outputs - Signal outputs on a 26-pin connector

The DCO-17n1-110-DRP-R is AES3 compatible and offers balanced connections for inputs and outputs. An

optional terminal block adaptor exists under the reference Miranda #NSH26M.

The DCO-17n1-75-DRP-R is AES3-id compatible and offers unbalanced connections for inputs and outputs.

An optional break-out cable adaptor exists under the reference Miranda #BOC-DA26-8BNC-1.

GUIDE TO INSTALLATION AND OPERATION

10 | DCO-1741/1781

Figure 2.1 DCO-17n1 Rear Panels

GPI IN and GPI OUT connectors

The rear panel of the DCO-17n1 includes a GPI interface that allows control of the switch process.

When constructing and using an external GPI box, be aware of the following:

1. The DCO-17n1 card monitors the external power supply voltage on the GPI input. If the voltage is less

than 4V (per relay datasheet), an alarm will be raised.

2. When a GPI INPUT is triggered while the card is operating in auto mode, the card changes to manual

mode and switches to the input selected by the GPI.

3. DO NOT TRIGGER BOTH GPI INPUTS AT THE SAME TIME OR ALLOW THE TRIGGER PULSES TO

OVERLAP, AS DAMAGE TO THE RELAY MAY RESULT.

4. A GPI trigger pulse should have a duration of at least 40 ms.

Figure 2.2 GPI trigger pulse timing

GPI IN 1 Min pulse width=40 ms

GPI IN 2

Min pulse width=40 ms

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