ASL INTERCOM PS 150 Gebruikershandleiding - Pagina 4
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6.0
FRONT PANEL CONTROLS & CONNECTOR
1
POWER indicator
This LED illuminates if 30 V DC power is supplied
via the intercom line to the PS 150
2
RECEIVE volume knob
This knob controls the level of the telephone signal
as it is received by the intercom line
3
SEND volume knob
This knob controls the level of the intercom signal as
it is sent to the telephone line
4
TEST button
By keeping this recessed button pushed with a pin
or pen a test tone generator is activated which adds
a 200Hz tone to the party line. It allows adjusting or
checking the side tone trimmer settings of the
intercom line interface. See section 10.1
5
SIDE TONE LO trimmer (intercom line)
This trimmer controls the input/output separation of
the intercom line. It also compensates for the
impedance of the interconnecting (party line) cable.
See section 10.1
6
SIDE TONE HI trimmer (intercom line)
This trimmer controls the input/output separation in
the high-frequency range. It also compensates for
the capacity of the party line cable. See section 10.1
7.0
REAR PANEL CONNECTORS
11
TELEPHONE LINE connector
This RJ-11 connector is for (transformer balanced)
connecting the telephone line
RJ-11 wiring :
Pin 1:
not existing in RJ-11
Pin 2:
black wire
Pin 3:
red wire
Pin 4:
green wire
Pin 5:
yellow wire
Pin 6:
not existing in RJ-11
Pin 3 & 4 = pair 1
Pin 2 & 5 = pair 2
PAGE 4
User Manual PS 150 / May 2011 © ASL Intercom BV
7
CONNECT button
If this (latching) button is not pushed the telephone
line is switched to the telephone set (phone) which
is connected to #12. If this button is pushed, the
telephone line is connected to the PS 150. See
section 8.0
8
HOLD indicator LED
This LED illuminates if the telephone line is switched
to the PS 150, which is then „on-line‟.
See section 8.0
9
SIDE TONE trimmer (telephone line)
This trimmer controls the input/output separation of
the telephone line. See section 10.2
10
TEST HEADSET connector
To this XLR-4 connector a headset or headphones
can be connected, allowing to listen to the intercom
line during the adjustment of the side tone of the
intercom line interface. See section 10.1
Pin assignment :
Pin 1:
not connected
Pin 2:
not connected
Pin 3:
phones +
Pin 4:
phones (GND)
12
PHONE connector
This connector is for connecting a telephone set
(phone). For pin assignments see #11.
13
INTERCOM LINK connector
14
INTERCOM IN connector
XLR-3 connectors # 13 and #14 are for connecting
the intercom party line (daisy chaining).
Pin assignment :
Pin 1:
0V / ground shield
Pin 2:
+ 30V power wire
Pin 3:
audio wire