Headset Connector X21; Fig. 6.16 Headset Connector X21 - R&S 4200 Series Operating Manual

Interface Description
6.2.16

Headset Connector X21

MDN-S-07-F-S (7 pins)
Entry in column D (direction): O = Output
Entry in column T (type):
Signal description
AF_HEADPHONES+
AF_HEADPHONES−
D_MICROPHONE_IN
D_MICROPHONE_GND
V_MICROPHONE_IN
/PTT_LOCAL
GND
SHIELD
WB X22\WB X22 "Radio".doc
Headphone connector X23\Headphone connector X23 "Name".doc
Fig. 6.16 Headset connector X21.
I = Input
A = Analog D = Digital
D T Range
O A 0 V to 1 V
rms
150 Ω load min.
O A
Volume controllable
via potentiometer
I A 1 mV ± 20 dB
Input impedance
I A
200 Ω
Automatic level
controlled (ALC)
I A 100 mV ± 20 dB
Input Impedance
330 Ω
DC 8 V ± 10 %
Automatic level
controlled (ALC)
I A Contact against GND
= transmit
B P
B P
B = Bi-directional
P = Power
Contact
into X21.1
X21.2
X21.3
X21.8
X21.5
X21.6
X21.7
Connector
shield
6.17
R&S XU 4200
Remarks
Earphones output
Dynamic microphone
Electret microphone
Push-To-Talk input
Return from PTT
Cable shielding
6166.5368.02.01