User manual

Installation and User Manual ADPRO FastTrace-R by Xtralis
32 Doc 13972_03
Table 5: Audio Switcher Connections
3.3.2 Audio Screw Terminal Connector
The audio screw terminals may be used for connection of certain audio devices, such as
microphones and low power speakers. Connections and ratings of the connector block are:
Figure 35: Audio Connector Pinouts
Pin Function Signal Pin Specifications
Serial Link for Channel
Number selection
Serial Clock 14 Open drain output
32 V maximum
100 mA maximum
On impedance <15 ohm
Serial Data 7
Serial Strobe 15
not used 8
Audio Signals Audio Out (+) 1 Output impedance >600 ohm
Nominal output level = 315 mVrms
Audio In (+) 2 Input impedance >6K ohm
Nominal level = 10 mVrms to 400 mVrms
Audio Common 9 Audio Signal common
Spare not used 13
Access/Secure Acc/Sec Input 5
Spare not used 6
General Alarm Relay Common 4
Contact Rating 1 A at 32 VDC
N/O 12
N/C 11
Ground Ground 10
N/C 3
'AUDIO'
9-pin DECA Connector
123 45678 9
GND GND GND
OUT IN SPKR + SPKR - MIC + MIC -
P73 audio pinouts conn.cdr