MT CAM AG_v1.doc
MT STAR AG
Indice : 1
18/10/2016
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25
ERECA SAS 75 rue d'Orgemont, 95210 SAINT GRATIEN France
Tel +33 1 39 89 76 23 www.ereca.fr
2.3.9 INTERCOM PINOUT
Intercom XLR is 5 pins Female with common pinout. Intercom microphone type can be:
•
Dynamic,
•
Asymmetric dynamic (most common),
•
Electret or Carbon (8 V / 470 Ohms polarization),
•
Fully static with 48V phantom power.
The microphone type selection and gain setting is done on the top of the settings webpage in a zone called
“intercom mic”.
For Dynamic or Fully static microphone pin 1 become the negative input of the mic section, in this case use
pin 3 for shielding. For the other types pin 1 is automatically tied to ground internally.
The output impedance of the earpiece amplifier is 20 Ohms and suitable for 50 to 600 Ohms headsets.
1: Mic input – or Mic Shield,
2: Mic input +,
3: Ground for Earpiece,
4: Ear piece,
5: NC(default) or special use, see note.
Note: Upon request pin 5 can either be shorted internally to pin 4 for stereo headsets
or
routed on the
output of the second headphone amplifier to hear only the second intercom channel on pin 5.
2.3.10 NOBLE AUDIO
A stereo bidirectional channel is available between the two units. At Camera side, the input can be either
line level or with built in mic gains and phantom power. Setting is done on the top of the settings webpage in
a zone called “XLR mic”.
2.3.10.1 CAMERA SIDE PINOUT
Camera XLR are 5 pins models, pinout is as follows.
1: Channel 1 Input +,
2: Channel 1 Input -,
3: Ground,
4: Channel 2 Input -,
5: Channel 2 Input +.
1: Channel 1 ,
2: Channel 1 Output -,
3: Ground,
4: Channel 2 Output -,
5: Channel 2 .