Front Panel Controls; Rear Panel Connectors - ASL INTERCOM PS 19 AM User Manual

5.0

FRONT PANEL CONTROLS

1 PGM VOLUME control knob
This knob is for adjusting the listen level of the
PGM input signal.
2 VOLUME control knob
This knob is for adjusting the listen level of the
intercom signal.
3 TALK button
By pushing this button the signal of the headset
microphone is sent to the intercom party line.
When the TALK button is switched On, its large
green LED is lit.
Momentary switching:
When the TALK button is pushed and held, the
microphone signal is sent to the intercom channel
until the button is released.
6.0

REAR PANEL CONNECTORS

7 PGM connector
This XLR-3 connector is for feeding PGM signals
into the PS 19 AM. The input is electronically
balanced and accepts audio levels between -18
dBu and +22 dBu when line level is selected or
between -38 dBu and +2 dBu when mic level is
selected. See also line/mic selector (#13)
Pin assignment:
Pin 1: 0V/ground
Pin 2: signal (+)
Pin 3: signal (-)
8 LINE connector
This XLR-3 connector is for connecting the PS 19
AM to the intercom party line.
Pin assignment:
Pin 1: 0V / ground shield
Pin 2: +30V DC power wire
Pin 3: audio wire
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User Manual PS 19 AM / Issue 2011 © ASL Intercom BV
Latched switching:
When the TALK button is pushed shortly it is
electronically latched and the microphone signal
is sent to the intercom channel.
When pushed again, the TALK button switches
Off.
Mic Mute when latched On:
After a so-called Mic Mute signal has been
received from a Pro Series master station or
power supply, the connection between
microphone and intercom channel is interrupted.
By pushing the TALK button, the connection is
restored and one can talk to the intercom channel
again.
4 CALL button
With a momentary push of the CALL button, a
Call signal is sent to all stations connected to the
intercom party line. The Call LED's of this
beltpack and of all stations on the party line start
flashing. By pushing the Call button for 2 seconds
the Call Buzzers are activated, provided the
buzzers are not muted by a Buzzer Mute signal
received from a Pro Series master station or
power supply.
After the CALL button is released the LED's
continue to flash for a further 2 seconds.
5. Call LED (red)
6. Talk LED (green)
9 HEADSET connector
This XLR-4 connector is for connecting a headset
to the beltpack. The impedance of the headset
can must be minimum 200 ohms; in case of 2
cans in parallel, the impedance of each can must
be minimum 400 ohms.
Pin assignment:
Pin 1: shield mic. (GND)
Pin 2: mic. (+)
Pin 3: phones (+)
Pin 4: phones (–)