ATR833A-II / P/N 833-II (Axxx)-(Axxx)
Operation and Installation
Doc.-No. 01.143A.010.71e / Revision 1.00
40
4.7.2 Connector
– Pin Allocation
D-SUB Connector of the ATR833A-II
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
MIC R DYN
Input Microphone Right Dynamic
6
MIC L GND
Input Microphone Left Ground
7
INTERCOM
SWITCH
Intercom Activation Switch
(connect to ground for Intercom activation)
8
MIC L DYN
Input Microphone Left Dynamic
9
DATA-RX
RS232 Receive (for Remote Control)
10
do not connect
Pin 10 is used by adapters for device
identification