ATR833-II / P/N 833-II (Cxxx)-(Cxxx)
Operation and Installation
39
Doc.-No. 01.143.010.71e / Revision 1.01
9
REMOTE RX
RS232 Receive (for Remote Control)
10
do not connect
Pin 10 is used by adapters for device
identification
11
+14 / +28V-PWR
Input Power 12V
12
+14 / +28V-PWR
Input Power 12V
13
BATT (-)
Ground Side of Power Supply
14
GND (MIC-1)
Ground Microphone 1
15
PTT-0
Push-to-Talk 0 (connect to ground for
transmitting)
16
LSP(−)
Output external Loudspeaker Negative
(Not identical to ground!)
17
PTT-1
Push-to-Talk 1 (connect to ground for
transmitting)
18
MIC-1
Input Microphone 1 (in Headset)
19
MIC-0
Input Microphone 0 (in Headset)
20
HEAD 1 (+)
Output 1 Headset-Speaker Positive
21
GND (HEAD 1)
Output 1 Headset-Speaker Negative
22
DATA-TX
RS232 TX (for Remote Control)
23
N/A
do not connect
24
+5VDC OUT
5VDC Power Supply for Remote Control
25
BATT (-)
Ground Side of Power Supply