D14128.02—NOVEMBER 2008
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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.