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Audioaccess PX-600 Installation Manual

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CONTACT CLOSURE
To Door Input
A
1
2
Red
Green
Std Phone Jack
Panasonic Easa-Phone
Model # KX – T30865 Doorphone
PANASONIC DOORPHONE
C
To Door Input
10–24VAC
1
2
3
4
5
6
7
CONTACT
CLOSURE
1
2
3
4
5
6
7
10 – 24
VAC
H 1 / H 2 JUMPER S
DOOR 1
DOOR 2
DIO INPUT
ITY
DOOR 1
H 3 / H 4 JUMPER S
1
2
1
2
INTERNAL JUMPER SETTINGS
To MRX/PX-600 "Audio Page Input"
*
To MRX/PX-600 "Mute"
*
12V DC Power Supply
*
*
Cables and Adapter Supplied
Mono 1/8" Phone Jacks
Audio In 1
Audio In 2
Audio Out
Mute Out
12 VDC
1
3
4
2
Door 2
Door 1
• Microphone Paging
• Paging Output From Phone System
• Other Audio Source
A,B or C
A
UDIOACCESS
PAGE / DOORBELL MODULE
or
3
4
To Door Input
Must Be Polarized Correctly
PANASONIC
Electronic Key
Telephone System
B
DOORBELL
PAGE / DOORBELL
MODULE
INSTALLATION
INSTALLATION
MANUAL
MANUAL
A
UDIOACCESS
CONNECTIONS
CUSTOMIZING THE PDM
The operation of the PDM may be customized in many ways. The
following sections describe some of the most common. Please
contact Technical Support if you have additional questions about
customizing the PDM.
The doorbell chime trigger inputs may be used to simply mute the
MRX/PX-600 (if, for example, you want to be able to hear the existing
doorbell). To accomplish this, simply remove R20. This prevents
the doorbell chimes from being routed to the PDM’s AUDIO OUT.
Similarly, removing R19 will prevent the signals at both AUDIO
INPUTS from being routed to the AUDIO OUT, while still allowing
these signals to mute the MRX/PX-600.
The doorbell chime may be triggered by a TTL compatible (+5 VDC)
signal. Configure the trigger type for a 10-24 VAC input and connect
terminal 1 (or 3) to the TTL signal and terminal 2 (or 4) to the signal’s
return.
The PDM AUDIO INPUTS were designed to work with an audio input
signal with a maximum level of 1 volt peak to peak. If you are using
them with other audio signals, the gain may be too high (audio
clipping will occur) or too low (the level of the doorbell chime and the
page audio are too dissimilar). As supplied by the factory, the gain
on the AUDIO INPUTS is 10, and is set by the two 10k resistors at
R13 and R14, and the 100k resistor at R15. If, for example, you wish
to decrease the gain only on AUDIO INPUT 1, simply increase the
value of R13. Increasing the value to 100k will give unity gain. If you
wish to increase the gain, decrease the value of R13. You should
be aware that this resistor also sets the input impedance for AUDIO
INPUT 1, so be careful how much you decrease the value. No lower
than 2k is a good rule of thumb. If you wish to change the gain only
on AUDIO INPUT 2, change R14 instead. If you wish to change the
gain on both inputs by the same amount, change R15. Here,
increasing R15 will increase the gain, and decreasing R15 will
decrease the gain.
The pitch of the doorbell chimes may be changed by replacing the
82k resistors at R11 (Door 1) and R12 (Door 2). Decreasing the
resistance increases the pitch and vice versa. If you try this, be
aware that the pitch is very sensitive to the value of this resistor.
Small changes will produce dramatic results.
Audioaccess
©
1996
Hayward, CA
Made in USA
505-00027-00
A Harman International Compan
y
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Summary of Contents

Page 1 - PAGE / DOORBELL

CONTACT CLOSURETo Door InputA12RedGreenStd Phone JackPanasonic Easa-PhoneModel # KX – T30865 DoorphonePANASONIC DOORPHONECTo Door Input10–24VAC1234567

Page 2 - PAGE / DOORBELL MODULE

PAGE / DOORBELL MODULENote: If the Panasonic Doorphone is the trigger source, it must beconnected exactly as shown in the diagram. If the connection

More documents for Audio amplifiers Audioaccess PX-600

To view the document Audioaccess PX-600 User Manual
Audioaccess PX-600 User Manual (12 pages)
To view the document Audioaccess PX-600 Service Manual
Audioaccess PX-600 Service Manual (278 pages)
To view the document Audioaccess PX-600 Specifications
Audioaccess PX-600 Specifications (32 pages)
To view the document Audioaccess PX-600 Owner's Manual
Audioaccess PX-600 Owner's Manual (6 pages)

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