Becker AR620X - Page 45

Installation
Electrical Interface
DV14307.03 Issue 04 March 2016 Transceiver Family 620X 45
P1 Connector (System Interfaces)
The P1 connector (Figure 2-14 and Figure 2-15, Position 3) is a DSUB male connector with 25 pins
and slide-in fastener.
Pin No.
Pin Name
Direction
Function
P1-1
SPK_HI
OUT
Speaker output signal (hot)
P1-2
HDPH1_A
OUT
Balanced output for headphone(s)1
P1-3
HDPH1_B
OUT
Balanced output for headphone(s)1
P1-4
AF_AUX_IN_HI
IN
Auxiliary audio input (hot)
P1-5
MIKE_DYN_HI
IN
Balanced input for dynamic microphone(s)
P1-6
MIKE_DYN_LO
IN
Balanced input for dynamic microphone(s)
P1-7
/IC
IN
Intercom key input;
ACTIVE state - closed contact to GND
P1-8
MIKE_STD_LO
-
Standard microphone(s) low (ground/return) used for
STD1, STD2 and STD3
P1-9
MIKE_STD2_HI
IN
Standard microphone 2 High (hot)
P1-10
ILL_LO
IN
Illumination low input
P1-11
P_SUPP
IN
Power supply Hot (positive)
P1-12
P_SUPP
IN
Power supply Hot (positive)
P1-13
P_SUPP_GND
-
Power supply ground (return)
P1-14
SPK_LO
-
Speaker ground (return)
P1-15
LINE_OUT
OUT
Linear audio output, unbalanced
P1-16
AGC_OUT
OUT
Receiver AGC output
P1-17
/PTT1
IN
Press To Talk key input1
ACTIVE state - closed contact to GND
P1-18
MIKE_STD1_HI
IN
Standard Microphone 1 High (hot)
P1-19
MIKE_STD3_HI
IN
Standard Microphone 3 High (hot)
P1-20
HDPH2_A
OUT
Balanced Output for headphone(s)2
P1-21
AF_AUX_IN_LO
IN
Auxiliary audio input low (return)
P1-22
HDPH2_B
OUT
Balanced output for headphone(s)2
P1-23
ILL_HI
IN
Illumination high
/PWR_EVAL
OUT
Power on monitor output
P1-25
P_SUPP_GND
-
Power supply ground (return)