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Extron-electronics PPC 25 Installation Manuel d'utilisateur

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PPC 25 Priority Page Sensor • Installation Instructions
68-1437-01
Rev G
12 08
PPC 25 Installation Instructions
PPC 25 Overview
The Extron PPC 25 Sensor and Controller mute classroom audio for the duration of an announcement that is made over a
public address (PA) system.
The sensor connects to a PA speaker lead and detects current flow when a PA announcement is initiated.
A signal from the sensor triggers the PPC 25 Controller’s output relay to close. This relay closure can connect to a PoleVault
®
switcher, a mini power amplifier (MPA), a MediaLink
®
controller (MLC), or any device with a contact closure type of mute
control or a configurable digital input.
The output relay remains closed, muting the classroom audio, until the PA announcement ends. It then opens, dropping the
mute signal and restoring the classroom audio.
If the output relay is connected to a MediaLink controller digital input, use Global Configurator software to configure the
input port, and set the monitoring conditions and actions to drive the desired mute function on the classroom audio device.
For instructions, consult the MLC’s user’s guide.
For a PoleVault System, the output relay must connect only to the PVS 204SA switcher and not the MLC. This arrangement
requires no software configuration.
Included Parts:
Priority Page Controller•
Priority Page Sensor•
UL-compliant junction box with a cable clamp and a lid•
35’ (10.7 m) of sensor cable•
Y-cable for sharing power with another unit•
The PPC 25 Sensor assembly must be installed in a UL-compliant junction box with a cover to meet
the plenum rating requirement. All cables to and from the sensor must also be plenum rated.
N
The PPC 25 works with traditional 25 V or 70 V and 4/8 ohm PA systems. It is not designed for, and may not work
properly with, two-way intercoms, or systems that are IP-based or use digital clocks.
A Typical PPC 25 Installation
POWE
R
CNO
PA
G
IN
G R
E
LA
Y
D
ELA
Y
SEN
SITI
VITY
12V
0.2A
MAX
O
N
1
2
L R
A
U
X
/M
IX
IN
D
O
N
O
T
G
R
O
U
N
D
O
R
S
H
O
R
T
S
P
EA
K
E
R
O
U
T
P
U
T
S
!
1
B
1
A
I
N
P
U
T
S
O
U
T
P
U
T
S
2
B
2
A
3
B
3
A
R
S
-2
3
2
M
L
C
/IR
D
C
V
O
L
4
/8
O
h
m
s
A
M
P
L
IF
IE
D
OU
T
P
U
T
S
V
O
L
/M
U
T
E
T
x
AB C
R
x
IR
1
2
V
1
0
V
P
O
W
E
R
12V
3A
M
A
X
U
S
LISTE
D
17
TT
AUD
IO/
VIDEO
APPARATUS
®
RGB
VIDEO RGB
VIDEO
Ceiling Mounted
Paging Speaker
Paging System
Sensor
ClassroomAdmin Building
To Classroom
Paging Speakers
Relay Output
Remote Vol/Mute
Control
Extron
PPC 25
Priority Page
Controller
Extron
PVS 204SA
Twisted Pair
Switcher
Extron
SI 26
Surface Mount
Speakers
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Résumé du contenu

Page 1 - Included Parts:

1PPC 25 Priority Page Sensor • Installation Instructions68-1437-01Rev G12 08PPC 25 Installation InstructionsPPC 25 OverviewThe Extron PPC 25 Sensor an

Page 2

PPC 25 Priority Page Sensor • Installation Instructions2PPC 25 Installation Instructions, cont’dFront and Rear Views of the PPC 25 Controllera Power

Page 3

3PPC 25 Priority Page Sensor • Installation Instructions4. Remove the outer protective jacket from the speaker cable to expose the two speaker wires

Page 4 - Inside China Only

PPC 25 Priority Page Sensor • Installation Instructions4Extron USA - West Headquarters+800.633.9876Inside USA / Canada Only+1.714.491.1500+1.714.491.1

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