Campbell AeroX Audio 105 User manual

03/2023
Copyright © 2023
Campbell Scientific, Inc.

Table of contents
1. Introduction 1
2. Precautions 1
3. Initial inspection 1
4. Specifications 2
4.1 Rear panel 2
4.2 Front panel 4
4.3 Microphone 5
5. Connector pin-outs 6
6. Product description 10
6.1 Power supply 10
6.2 Power-up process 10
6.3 VOL/DATA dial 10
6.4 PTT microphone 11
6.5 Audio outputs 11
6.6 Audio inputs 12
6.7 PTT connector 13
6.8 LIGHTS connector 15
6.9 VOICE MODEM connector 15
6.10 HANDSET connector 15
6.11 USB connector 15
6.12 ETHERNET connector 15
6.13 Redundant connector 16
6.14 Audio electronics 16
7. Troubleshooting 16
7.1 AudioServer software update procedure 16
7.2 Micro-controller firmware update procedure 17
Table of Contents - i

1. Introduction
The AeroX Audio105 is an audio controller that allows digital voice files to be transmitted over
ground to air radios. Furthermore, it allows users to append audio messages to be transmitted
through multiple audio inputs/outputs. Thus, the AeroX Audio105 fulfills the hardware
component of an Automatic Terminal Information Service (ATIS) that produces critical flight
safety information in the form of an audible voice information stream that can be transmitted
over a radio for pilots. The information transmitted are the weather conditions at the airport, as
well as operational information, such as the current runway in use, available approaches, the
state of the runway, and breaking conditions. Other information, such as if the airport has certain
restrictions, can also be broadcasted through this system.
2. Precautions
lREAD AND UNDERSTAND the Safety (p. 20) section at the back of this manual.
lAlthough the AeroX Audio105 is rugged, it should be handled as a precision scientific
instrument.
3. Initial inspection
lUpon receipt of the AeroX Audio105 inspect the packaging and contents for damage. File
damage claims with the shipping company.
lCheck the ships with list to ensure all components are received.
AeroX Audio105 1

4. Specifications
Case material: Aluminum
Mount: 19 in (EIA-310) 2U rack mount
Dimensions
Front panel: 48.3cm (19in) width, 8.9cm (3.5in) height
Case: 43.2cm (17in) width, 8.1cm (3.2in) height, 27.9cm (11in) depth
Weight: 3.5kg (7.7lb)
Power requirements: 80 to 264VAC @ 25W typical, 40W maximum, 50/60Hz
11 to 24VDC @ 25W typical, 40W maximum
Temperature: –20 to +70°C
NOTE:
The display limits operational temperature range to –20 to +70°C, but a heater fitted on
the display back can increase that range. Contact factory for more information.
Humidity: 0 to 100% RH, non-condensing
4.1 Rear panel
AUDIOOUTterminal
(CH1 to CH5): Male 3-pin XLR
600 ohm balanced
Transformer isolated
Separate 3.5mm, 3-pole jack to the right of the XLR
Adjustableaudio
level maximum: +4dBu, 1.23Vrms, 1.74V peak, 3.48V peak-to-peak
AeroX Audio105 2

AUDIOIN: Female 3-pin XLR
600 ohm balanced
Transformer isolated
Separate 3.5mm, 3-pole jack to the right of the XLR
Adjustableaudio
level maximum: +4 dBu, 1.23Vrms, 1.74V peak, 3.48V peak-to-peak
PTT(push-to-talk): 5x Volt free, break before make, normally open / closed relay
contacts (contact rating 50V @ 1A), NOT protected against
overload
+5VDC, 100mA limited output used with relay contacts to
configure pull ups or pull downs.
25-way D plug
Isolatedauxiliary
digital input: 3.5 to 12V
LIGHTSterminalstrip: Four screw terminals
Volt free, break before make, normally open / closed relay
contacts (contact rating 50V @ 1A), NOT protected against
overload
Redundant 9-pin
D connector: Signals between AeroX Audio105s to control redundant
operation
USB port: USB 2.0 compatible type-A socket
ETHERNET port: RJ45 socket LAN
Supports 1000/100/10Mbps Gigabit/Fast Ethernet
115/230VAC/25W-50/50HZ,
Main power inlet: 80 to 264VAC
IEC C14 socket
50/60Hz
40W maximum
On/Off power switch
T2.0A/250V 20mm HRC fuse (same for 115/230VAC operation)
AeroX Audio105 3