Pag. 14
Technical Book
MDS
MDS
V
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J1
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REF.2420
Central Unit 2 Panels
REF.2421
Central Unit 10 Panels
SB
6
2
SA
CT
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-
V
M
P1
M
SA
SB
6
2
-
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CT
V
M
D1
D2
2
6
CT
V
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G
B
G
A
32
SW1
1
ON
A
B
SW1
ON
321
ON
PANEL 1
SWITCHERS
PIN_PADSTACKPIN_PADSTACKPIN_PADSTACKPIN_PADSTACKPIN_PADSTACKPIN_PADSTACK
PANEL 0
INPUT
DECODERS
+-
MDS - BASE MODULE
EXTENSION INTERFACE
SW1-
SW1-
3
2
1
ON
SW1
3
2
1
ON
SW1
3
2
1
ON
SW1
3
2
1
ON
SW1
3
2
1
ON
SW1
3
2
1
ON
SW1
MDS Digital Central Unit
The Central Unit is the main core of the MDS DIGITAL system. The Outdoor Panels are connected to the
terminals provided for that purpose (see figure below for details).
Choose the model of Central Unit depending on the quantity of Audio/Video panels to install (unit for 2
panels REF.2420 and unit for 10 panels REF.2421).
I
The meaning of LEDs and use of jumpers and microswitches are explained below.
Configuration microswitches (see table below)
J0 (see table on the next page)
J1 (see table on
next page)
J2 (see table on the next page)
PANEL 0
connector
PANEL 1
connector
DECODER BUS
Supply input
Extension socket
INTERFACE SOCKET
PANEL 0 connector
PANEL 1 connector
PANEL 2 to 9 connectors
PANEL 0 connector
PANEL 1 connector
Keypad access code ns ont allowed
(except from guard units)
Keypad access code is allowed
PC TEST mode.
PROGRAMMING DECODER mode
Data transmission between Panels
and Decoders is disabled
Normal mode
Digital Controller system Audio or Video standard system