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User Manual PS 6379 / May 2011 © ASL Intercom BV
9.0 REAR PANEL CONTROLS & CONNECTORS / INTERNAL CONTROLS
28 EXTENDED STATION LINK connector
The ‘extended station’ function has been
discontinued.
29 NEAR STATION LINK connector
The ‘near station’ function has been discontinued.
30 STAGE ANNOUNCE / RELAY connector
The Outputs in this connector offer a contact when
the headset or gooseneck microphone is switched on
and a contact when an external DC power supply is
used. The Inputs allow for remotely activating the “All
Mic Mute” button, the ”All Buzzer Mute” button and
the “Talk To All” button. Furthermore there are
contacts for Stage Announce Relay.
Pin assignment:
Pin 1: GND
Pin 2: Mic On (output, active = low)
Pin 3: External PSU active (output, active = low)
Pin 4: Stage Announce Relay common contact
Pin 5: All Mic Mute (input, active = low)
Pin 6: All Buzzer Mute (input, active = low, latching)
Pin 7: Talk to All (input, active = low)
Pin 8: Relay contact „normally closed‟
Pin 9: Relay contact „normally open‟
(Pin 8 or 9 in conjunction with Pin 4)
31 LINE connectors (two for each channel)
These 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
32 SYSTEM LINK connector (per channel)
This is an XLR-3 input for the intercom cable of
another ASL party line Intercom system which has its
own power supply. If any or all of the channels of the
PS 6379 are to be connected to another intercom
system, then these connectors accept the
communication signals from the other system without
impedance problems and without using line power
from the other intercom system. For more
information, see #23
33 LIFT / GROUND switches
With these switches pin 1 of the XLR-3 connectors of
either the AUX input, the Program input or the IFB
Aux input is lifted from ground when in „Lift‟ position.
34 AUX INPUT connector
This XLR-3 female connector is an electronically
balanced input for line level audio signals. The input
is for receiving an auxiliary (AUX) audio signal, which
can be routed to any intercom channel (see #17 and
section 10.1) or to any IFB channel (see #27 and
section 11.0, the dip switches of block E). The AUX
signal can also be routed to the STAGE ANNOUNCE
output by changing the position of a dip switch (See
section 11.0, dip switch No 4 in block F).
Pin assignment:
Pin1. 0V / ground
Pin 2. Signal +
Pin 3. Signal -
35 PROGRAM INPUT connector
This XLR-3 female connector is an electronically
balanced input for line level audio signals. The input
is for receiving a program (PGM) audio signal, which
is routed to the loudspeaker and the headset
connector of the PS 6379 only. The PGM volume can
be adjusted by knob #13. To achieve that the PGM
signal is automatically dimmed to zero as soon as a
TALK button is pushed, the position of a certain dip
switch has to be changed (See section 11.0, dip
switch No 6 in block A)
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