Rear Panel Connectors & Switches - ASL INTERCOM PS 6379 Mk2 User Manual

Headset connector pin assignments :
Pin 1. Shield mic. (GND)
Pin 2. mic. +
Pin 3. phones +
Pin 4. phones -
When a headset is connected, speaker and
gooseneck microphone are disabled automatically.
The speaker can be enabled again by pushing the
SPEAKER on/off button (#18).
The PS 6379 Mk2 can optionally be equipped with
an XLR-6 headset connector for binaural use of
the headset. Internal jumpers determine - for each
channel separately - the routing of the audio to the
headset cans: either to the left can, or to the right
can or to both cans.
(See #43 'Binaural Jumper Settings').
8.0 REAR PANEL CONNECTORS & SWITCHES
32 INTERCOM OUT connectors
(one per channel)
These male XLR-3 connectors are for connecting
the intercom party lines to which remote stations
can be connected, via standard microphone
cable.
Pin assignment:
Pin 1: 0V / ground
Pin 2: +30 V power wire
Pin 3: Audio wire
33 SYSTEM LINK connectors
(one per channel)
These female XLR-3 connectors are inputs for the
intercom cables of another ASL party line
Intercom system which has its own power supply.
For more information, see #10
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User Manual PS 6379 Mk2 / October 2013 © ASL Intercom BV
29 GOOSENECK microphone
This is an electret noise cancelling microphone.
A limiter prevents the mic pre-amp from clipping
when speaking close and/or loud into the
microphone. The microphone is automatically
disabled when a headset is connected to the PS
6379 Mk2. The mic gain can be adjusted by
trimmer #46
30 LOUDSPEAKER
A high quality 16 Ω loudspeaker. The speaker is
automatically disabled if a headset is connected.
It can be switched on again by pushing the
SPEAKER On/Off button( #18).
31 POWER ON/OFF push button
To switch the internal power supply On or Off.
34 AUX INPUT connectors + ground lift
switches
These three XLR-3 female connectors are inputs
for auxiliary (AUX) audio signals.
The inputs are electronically balanced and accept
line level audio signals. For routing these AUX
signals to the intercom channels, see #35.
Pin assignment of all AUX input connectors:
Pin1. 0V / ground
Pin 2. Signal +
Pin 3. Signal -
35 AUX SELECT switch (one per channel)
A 3-position switch to route either AUX 1 or AUX
2 or AUX 3 to the corresponding channel