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Figure on previous page shows how to install and the interconection of the system elements.
Follow these steps to achieve a optimal installation:
Step 0: Fixing the elements
When Main Board is supplied with a protection box, fix it following the instructions on the attached
sheet. If there is not box, place the Main Boards on a suitable place.
When you install several Main Boards, place them as closer as possible, to make easier the wiring
among them and Central Unit. It is possible to interconnect up to 4 Mainboards; you can find the wiring
diagram on page 31.
Install the rest of elements (power supply, Central Unit,...) with the appropiate supports. Instructions to
install the Outdoor Pannel is provided wit it.
Step 1: Main Boards interconnection
Once all the elements are fixed, interconnect Main Boards among them and after with Central Unit.
You can connect up to 4 Mainboards.
Diagram bellow shows how to interconnect two Main Boards, wiring for additional Main Boards is the
same.
USE
PRG
PWR
UNIDAD CENTRAL
SISTEMA TELEFONICO
MADE IN SPAIN
TELEPHONE SYSTEM
CENTRAL UNIT
REF. 2578
Hacia otras Placas Base
To other Main Boards
28
CFG NC C
NO
NC
C
NO
CIR. 2
CIR. 1
SWITCHES BOXES
12/35 V
PANEL
DATA
35 V
PTT
+
-
+
-
L
Dt
Ck
E
G
V1 V2 C1 C2
Placa Base
Mainboard
0
0
0
CARD
CARD
CARD
CARD
1
1
1
#0
#1
#2
CN6
2
2
2
V1
3
3
3
V2
4
4
4
C1
5
5
5
C2
6
6
6
7
7
7
8
8
8
ON
9
9
9
OFF
A0 A1
Dt
Ck
E
G
+
12 V
-
POWER
Placa Base
Mainboard
0
0
0
CARD
CARD
CARD
CARD
1
1
1
#0
#1
#2
CN6
2
2
2
V1
3
3
3
V2
4
4
4
C1
5
5
5
C2
6
6
6
7
7
7
8
8
8
ON
9
9
9
OFF
A0 A1
Dt
Ck
E
G
+
12 V
-
POWER
0
0
CARD
1
1
#3
#4
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
0
0
CARD
1
1
#4
#3
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
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