ATR833S / P/N 833S-(Cxxx)-(Cxxx)
Operation and Installation
39
Document-Nr.: 01.142.010.71e / Revision:1.03
D-SUB Connector 25 Pin Female
seen from solder side
Pin
Names
Functionality
1
LSP(+)
Output external Loudspeaker Positive
2
HEAD-0 (+)
Output Headset-Speaker Positive
3
GND (HEAD-0)
Output Headset-Speaker Negative
4
EXT-NF
Input external Audio-Signal
5
N/A
Pin 5 is connected with Pin 18 for
compatibility reason with ATR500 und
ATR833S cable harnesses.
6
GND (MIC-0)
Ground Microphone 0
7
INTERCOM
SWITCH
Intercom Activation Switch
(connect to ground for Intercom activation)
8
N/A
Pin 8 is connected with Pin 19 for
compatibility reason with ATR500 und
ATR833S cable harnesses.
9
REMOTE RX
RS232 Receive (for Remote Control)