Network Flashlink DA-AA Manuel utilisateur

network-electronics.com

Analogue Audio Distribution

Amplier

Rev. 5

Flashlink User Manual

DA-AA

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

Revision history

The latest version is always available in pdf-format on our web-site:

http://www.network-electronics.com/

Current revision of this document is the uppermost in the table below.

Revision Replaces Date Change Description

5 4 2008-01-31 Added Declaration of Conformity.

4 3 2007-10-26 New front page and removed old logo.

3 2 2007-10-05 Added Materials Declaration and EFUP

2 1 29.07.05 Corrected description of connector module.

1 0 10.11.04 Changed page 8, output settings

0 A 25.05.04 Exchanged ANA1 and ANA2 on dip setting

A 21.10.03 Preliminary version

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

Index

1. General......................................................................................................................................................4

2. Specifications............................................................................................................................................5

3. Configuration setup.................................................................................................................................6

OUTPUT CONFIGURATION...................................................................................................................8

Configuration of ANA1 output...................................................................................................................8

Configuration of ANA2 outputs.................................................................................................................8

4. Connector module..................................................................................................................................10

4.1 Mounting the connector module........................................................................................................11

5. Module status.........................................................................................................................................11

5.1 Front Panel - Status Monitoring ........................................................................................................12

6. Interface with GYDA and RS-422 command set................................................................................12

6.1 DA-AA Command table .....................................................................................................................12

General environmental requirements for Network flashlink®equipment...........................................13

Product Warranty .....................................................................................................................................14

Materials declaration and recycling information...................................................................................15

Materials declaration ................................................................................................................................15

Environmentally-friendly use period.......................................................................................................15

Recycling information...............................................................................................................................16

EC Declaration of Conformity .................................................................................................................17

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

1. General

The flashlink ® DA-AA is a dual 4 output analogue Audio Distributor. The DA-AA can be configured as

either a dual 1x4 or a single 1x8 amplifier. The latter configuration is made by connecting the inputs in

parallel or using DIP switch on PCB. The Distribution amplifier has differential inputs and differential

outputs. Overall gain can be set by DIP switches or by potentiometer for high precision gain setting. The

gain range setting is from -12 to +12 dB. The input signal can be mixed to the other channel using a DIP

switch. The Distribution Amplifier handles analogue audio signals from 20Hz to 80 kHz. The DA-AA is

designed for all audio distribution purposes in studio, duplication and Broadcast applications.

Figure 1 – DA-AA – Analogue Audio Distribution Amplifier

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

2. Specifications

Electrical Input:

Number of inputs: 2

Connector: DB15 balanced

Impedance: > 10k ohms

Maximum Input Level: +25 dBu

Common mode rejection: >70dB

Electrical Output:

Number of outputs: 8

Connector: DB25 balanced (Tascam DA88)

Frequency response: 20 Hz - 80 kHz ±0.2dB

Crosstalk: -100 dB

THD+N: > 100dB ref to 20 Hz-20 kHz @ 20dBu

Impedance: 40 ohms nominal. Maximum 55 ohms

Maximum Output Level: +25 dBu

Output voltage balance ratio: >30dB

Output common mode rejection: >50dB

Switched gain tolerance: 0.1dB

Gain: -12 to +12 dB

Features

High quality audio distribution.

•Configurable dual 1x4 or single 1x8 distribution amplifier.

•Left/right swapping capability

•Gain setting for professional and consumer equipment.

•DIP switch gain compensation 10kohms / 600 ohms load

•Precision gain adjustment

•High common mode rejection on both inputs and outputs.

•Inputs and outputs may be used with unbalanced equipment.

•The input signal can be mixed to the other channel or vice versa.

Control Interfaces:

Card edge LEDs for voltage monitoring, RS-422 with open protocol, SNMP Agent and WEB interface

with GYDA controller. Control system for access to setup and module status with BITE (Built-In Test

Equipment) for use with GYDA Control System

Electrical

Power: +5V / 0.1 W,

±15V / 1.9W

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

3. Configuration setup

The DA-AA has two channels, ANA1 and ANA2. DIP switch 1 (ANA1) and 2 (ANA2) sets the

individual channel properties according to table:

12.5dB

Don’t Care On Off

11.5dB

10.9dB

9.9dB

6.0dB

4.2dB

2.7dB

0.0dB

2.7dB

4.2dB

6.0dB

9.9dB

10.9dB

11.5dB

12.5dB

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

Don’t Care On Off

600 ohms load on outputs

10kohms load on outputs

Variable gain by potentiometer for accurate gain

setting -12dB to +12dB

6 7

Circuit diagram for advanced users

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

OUTPUT CONFIGURATION

There are two groups of four outputs, ANA1 and ANA2 output. The two groups are individually

configured using DIP switch 3 and DIP switch 4. The switch sets which of the input that is connected to

the output.

Configuration of ANA1 output

Use dip switch SW4 / ANA1 for setting the outputs ANA1

ANA2 input to ANA1 outputs

Mix ANA1 and ANA2 inputs to ANA1 outputs

ANA1 input to ANA1 outputs

Mix ANA1 and ANA2 inputs to ANA1 outputs

SW4/ANA1

Configuration of ANA2 outputs

Use DIP switch SW3 / ANA2 for setting outputs ANA2

ANA2 input to ANA2 output2

Mix ANA1 and ANA2 inputs to ANA2 outputs

ANA1 input to ANA2 outputs

Mix ANA1 and ANA2 inputs to ANA2 outputs

SW3/ANA2

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

Figure 2 – DA-AA board layout.

DA-AA Rev. 5

DATE: 24 July 2008

Network Electronics AS, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 – Fax: +47 33 48 99 98

E-mail: support@network-electronics.com – Web: http://www.network-electronics.com/

Technical specifications are subject to be changed without notice.

4. Connector module

ANA2 input –

ANA2 input +

ANA1 input –

ANA1 in

ut +

ANA1 output 1 –

ANA1 output 1 +

ANA1 output 2 –

ANA1 output 2 +

ANA1 output 3 –

ANA1 output 3 +

ANA1 output 4 –

ANA1 output 4 +

ANA2 output 1 –

ANA2 output 1 +

ANA2 output 2 –

ANA2 output 2 +

ANA2 output 3 –

ANA2 output 3 +

ANA2 output 4 –

ANA2 output 4 +

Figure 6 - Overview of the ADC-AES-C1 connector module

The DA-AA has a dedicated connector module: ADC-AES-C1. This module is mounted at the rear of the

sub-rack. The module is shown in figure 6. J4 is the input DSUB connector, while J6 is the output

connector. Both connectors are FEMALE.

J4:

Function Pin

Analogue Audio ANA1 positive input (ANA1+) 7

Analogue Audio ANA1 negative input (ANA1-) 15

Analogue Audio ANA2 positive input (ANA2+) 10

Analogue Audio ANA2 negative input (ANA2-) 3

Ground 2, 5, 8, 11

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