ATR833A / P/N 833A-(xxx)-(1xx)
Operation and Installation
33
Dokument-Nr.: 01.1411.010.71e / Revision: 3.00
4.7 Wiring
4.7.1 Conductor Cross Section
Power Supply (Power, GND):
AWG18 (0.96 mm²)
Signals:
AWG22 (0.38 mm²)
The conductors used must be approved for aircraft installation.
4.7.2 Connector – Pin Allocation
SSATR2
25-pin connector at
the ATR833A
View from
aircraft’s side
Pin Names
Functionality
1
LSP(+)
LSP+
Output external Loudspeaker Positive
2
HEAD(+)
HSP+
Output Headset-Speaker Positive
3
HEAD(−)
HSP−
Output Headset-Speaker Negative
4
EXT-NF
Input external Audio-Signal
5
MIC-R-DYN
MRD+ Input dynamic Microphone
(Glider/Gooseneck) Copilot/Right
6
MIC-L-GND
MLS−
MLD−
Ground for Microphones Pilot/Left
7
INTERCOM
ICS
Intercom Activation Switch (connect to
ground for activation of intercom)
