TANDBERG Codec C90 D14128.02 - Manual (Page 27)

D14128.02—NOVEMBER 2008 27
Codec C90 System Integrator Guide
Contents Introduction Getting Started Interfaces About the API xConfiguration xCommand xStatus Cameras Appendices Contact us Interfaces
Audio hardware information table
Notes:
Default levels are marked with white text 1.
on black
For the dBu value for input clipping level
2.
and absolute max output level, a sine
waveform is assumed
If numbers in dBV are required, dBV value
3.
is 2.2 dB lower than the dBu value.
Example: -10 dBu equals -12.2 dBV
Volume control
Ring tone volume* Audio gain value
0 0
1 -34.5 dB
70 0.0 dB
100 15.0 dB
Audio signal levels, cont...
Volume control 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
Line outputs 1 to 4
Female RCA/phone
Signal
levels Absolute max
output level Nominal
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
* 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
* The ring tone volume which is displayed on screen,
when using the TRC5 remote control, goes from 0 to 20.