Connector Pin Assignments
60 Transceivers 6200 Series DV14307.03 Issue 06 February 2021
Inputs / Outputs (AR62XX, RT62X1)
Microphone Connection – Standard Microphones
Standard microphone(s) low used for STD1,
STD2 and STD3
Standard microphone 2 high
Standard microphone 1 high
Standard microphone 3 high
• The transceiver has three unbalanced inputs STD1, STD2 and STD3.
• Each input has an input impedance of 150 Ω and a nominal sensitivity of 110 mV.
• The sensitivity level is adjustable in the configuration setup independently for each of the
microphones.
• The power supply from pins P1-9, P1-18 and P1-19 for supply of the connected
microphone(s) is > 8 VDC (8.3 V nominal) open circuit with an output impedance of 120 Ω.
Notice:
• The transceiver power supply can support two microphones in parallel on each of the
three standard microphone inputs.
• It is recommended to combine only microphones of the same type / impedance.
• In installations where high interferences were detected, we recommend the use of
sensitivity levels between 27...1500 mV.
• We also recommend to install the jacks generally isolated from car frame in order to
prevent ground loops.
Microphone Connection - Dynamic Microphone
Balanced input for dynamic microphone(s)
Balanced input for dynamic microphone(s)
• Interfacing with dynamic microphones, the transceiver has balanced inputs with an
impedance of 140 Ω and a nominal sensitivity of 1.6 mV.
• The sensitivity level is adjustable in the configuration setup.
• Two dynamic microphones in parallel may be connected (identical technical
characteristics of the microphones are recommended).
Notice:
• In installations where high interferences are detected we recommend the use of sensitivity
levels between 2...20 mV.
• We also recommend to install the jacks generally isolated from car frame in order to
prevent ground loops.
• Use microphone cables with shielded wires.
Speaker Connection
• The speaker output supplies nominal 4 W into 4 Ω.
• The magnetic field of a speaker can affect the magnetic compass (see
"Installation Requirements" page 47).