GT6201
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DV 17001.03 Issue 4 01/2015
Page 13
Electrical Interface
2.4.1
Connectors and Pin Assignment
for GT6201
Antenna Connector (Position 1)
The antenna connector (Figure 2-5, position 1) is a BNC type. The antenna port is designed for
operating with a nominal impedance of 50 Ohm.
Grounding Bolt (Position 2)
The transceiver has a M4 threaded grounding bolt (Figure 2-5, position 2) allowing a low
impedance grounding of the unit, which is essential to avoid damage or malfunction in the case of
indirect lightning, EMI and HIRF conditions.
Figure
2-5: Male P1 and female J1 connectors on
back plate GT6201
P1 Connector
(Position 3)
System Interfaces
for GT6201
The P1 connector (Figure 2-5) 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)