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

Headset connector pin assignments :
1. Shield mic. (GND)
2. mic. +
3. phones +
4. phones -
When connecting a headset, 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-5 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
User Manual PS 6379 Mk2 / February 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 loudspeaker driven by a 3 Watt
amplifier. The speaker is automatically disabled
as soon as 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 mains power 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
PAGE 11