
Mi 2453
Gb - 5 -
Installation and connection
The Switchboard is ready for the installation on a desk.
Fix the junction box to the wall with screws and expansion
plugs or to a wall box (
Ø
=60mm) and make the connection
according to the installation diagram.
To fix the switchboard to the wall it is necessary to dis
-
mount the plastic table adaptors and use the same metal
wall brackets. Do not use the junction box with the white
connection cable and make the connections directly to the
terminal board of the switchboard. Check for the correct-
ness of the wiring.
Power-ON the system by connecting the power supplies to
the mains.
Programming
For a correct operation of a digital system “DUO”, it is nec-
essary to program all the devices present in the installation.
Switchboard
is programmed from factory with the ad-
dress
201
. If it is necessary address can be changed
following the instructions reported on the chapter “PDX
Address”.
In all the
internal stations
a button, pressing which you
will call the switchboard, must be programmed with the
same address of switchboard (according to the previous
example 201); for programming please follow the proce-
dure indicated in the technical manual which comes with
the product.
Program all the
door stations
to set them for the pres-
ence of the switchboard.
Terminal board
LI / LI
Duo line input
LO / LO
Duo line output
A / A
Auxiliary power input
(12-15Vdc - 0.5A)
C
Common contact of internal relay
NC
Normally open contact of internal
relay
NO
Normally closed contact of internal
relay
V
video output for an auxiliary monitor
(unbalanced 75
W
)
M
Video output ground
GN
Negative input for a local call
A1
Positive input for a local call
LO
LO
GN
C
A1
NC
NO
LI
LI
A
V
A
M
Technical data
Power supply directly from the line
Operating current:
Max: 0.5A
Stand by:
0.04A
OFF (night):
0.02A
Permanent memory for programming data
LCD Display:
matrix points 64x128
LED’s: 8
Alphanumerical keypad:
15 buttons
Service buttons:
7
Internal relay:
1
Maximum load contacts relay: 12Vac/12÷24Vdc - 1A
Operating temperature:
0° ÷ +50°C
Maximum admissible humidity: 90%RH
Attention
.
All the
devices
connected to a
DUO system, with the presence of a
switch-
board
, must have a software release 400 or
higher.