User manual

Installation
ADPRO FastTrace, Issue 5 1 - 21
Audio Connector
Table 1-6 - Local Audio signals 9-pin DECA connector
Figure 1-10 - Audio Connector Pinouts
Pin Function Signal Pin Specifications
Line Level Audio Output 0
1 Unbalanced, impedance 600 ohm
Nominal voltage level = 315mVrms
Common
20V
Input
3 Unbalanced, impedance >6K ohm
Nominal level = 10mVrms to 400mVrms
Ground
4
Local Speaker Speaker (+)
Speaker (-)
5
6
Balanced, impedance = 8 ohm
Nominal output power = 1W
Total harmonic distortion < 5%
Ground
7
Local Microphone Microphone (+)
Microphone (-)
8
9
Differential impedance > 3K ohm
Single ended impedance > 6K ohm
Nominal signal level is
100uV rms to 10mV rms