
Digibell Vandal Resistant System
PD-169 Issue 3B Installation Guide Page 33 of 56
Programming flat addresses
The address is the flat number which is entered at the entrance panel in order to call a
resident. These addresses are programmed on each of the Isolator PCB’s by selecting the
positions of the rotary switch SW6 and the 8-way dipswitch SW7. In the simplest scenario
SW6 selects the address of the first phone on the isolator whilst the addresses of the other
seven phones follow in sequence as shown in the table below:
Setting
1
2
3
4
5
6
7
8
<address not set> (factory default)
1 2 3 4 5 6 7 8
5 6 7 8 9 10 11 12
9 10 11 12 13 14 15 16
13 14 15 16 17 18 19 20
17 18 19 20 21 22 23 24
21 22 23 24 25 26 27 28
25 26 27 28 29 30 31 32
29 30 31 32 33 34 35 36
33 34 35 36 37 38 39 40
37 38 39 40 41 42 43 44
41 42 43 44 45 46 47 48
45 46 47 48 49 50 51 52
49 50 51 52 53 54 55 56
53 54 55 56 57 58 59 60
57 58 59 60 61 62 63 64
Basic Addressing
In the most basic numbering scheme each isolator in the system has SW6 set to a different
value to create a continuous range of flat addresses:
E.g. 32-way system numbered 1-32
position
range
First 1 1-8
Second 3 9-16
Third 5 17-24
Fourth 7 25- 32
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