Codec C90

System Integrator Guide

Contents

Introduction

Getting Started

InterfacesInterfaces

About the API

xConfiguration

xCommand

xStatus

Cameras

Appendices

Contact us

Audio signal levels, cont...

Line outputs 1 to 4

Female RCA/phone

Signal

Absolute max

Nominal

levels

output level

 

level

 

 

 

 

 

Level

 

 

 

 

setting

 

 

 

 

[dB]

[Vpp]

 

[dBu]

[dBu]

 

 

 

 

 

-18.0

2.2

 

0.0

-18.0

-17.0

2.5

 

1.0

-17.0

-16.0

2.8

 

2.0

-16.0

-15.0

3.1

 

3.0

-15.0

-14.0

3.5

 

4.0

-14.0

-13.0

3.9

 

5.0

-13.0

-12.0

4.4

 

6.0

-12.0

-11.0

4.9

 

7.0

-11.0

-10.0

5.5

 

8.0

-10.0

-9.0

6.2

 

9.0

-9.0

-8.0

6.9

 

10.0

-8.0

-7.0

7.8

 

11.0

-7.0

-6.0

8.7

 

12.0

-6.0

-5.0

9.8

 

13.0

-5.0

-4.0

11.0

 

14.0

-4.0

-3.0

12.3

 

15.0

-3.0

-2.0

13.8

 

16.0

-2.0

-1.0

15.5

 

17.0

-1.0

0.0

17.4

 

18.0

0.0

Audio hardware information table

Hardware Information

 

Mic 1–8 *

Line in 1–8 **

 

Line out 5–6

Line in 1–4

Line out 1–4

 

 

 

 

 

 

 

Signal type

Balanced

Balanced

 

Balanced

Unbalanced

Unbalanced

 

 

 

 

 

 

 

Connector (codec)

XLR-F

XLR-F

 

XLR-M

Female RCA/phono

Female RCA/phono

Input impedance

8100 Ohm (pin 2–3)

10k Ohm (pin 2–3)

10 k Ohm

 

Output impedance

 

 

 

50 Ohm

 

100 Ohm

Max input level when set to Min input level

–18dBu/275mVpp

24dBu/34.7Vpp

 

 

18dBu/17.4Vpp

 

Max input level when set to Max input level

–36dBu/35mVpp

6dBu/4.4Vpp

 

 

0.0dBu/2.2Vpp

 

Max output level when set to Min output level

 

 

 

6dBu/4.4Vpp

 

0dBu/2.2Vpp

Max output level when set to Max output level

 

 

 

24dBu/34.8Vpp

 

18dBu/17.4Vpp

Gain range

 

 

<– 18dB (18 steps of 1dB) –>

 

Phantom power

48 Volt +/- 2%

 

 

 

 

 

Phantom power resistor pin 1

6800 Ohm

 

 

 

 

 

Phantom power resistor pin 2

6800 Ohm

 

 

 

 

 

Max phantom power current (per mic)

14mA

 

 

 

 

 

*This specification is valid for Mic 1–8 inputs if Microphone Level setting is selected

**This specification is valid for Line 1-8 inputs if Line Level setting is selected

Volume control table

Volume control

Ring tone volume*

Audio gain value

 

 

Notes:

1.Default levels are marked with white text on black

2.For the dBu value for input clipping level and absolute max output level, a sine waveform is assumed

3.If numbers in dBV are required, dBV value is 2.2 dB lower than the dBu value. Example: -10 dBu equals -12.2 dBV

0

0

1

-34.5 dB

70

0.0 dB

10015.0 dB

*The ring tone volume which is displayed on screen, when using the TRC5 remote control, goes from 0 to 20.

D14128.02—NOVEMBER 2008

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TANDBERG D14128.02 manual Audio signal levels, Audio hardware information table, Volume control table