2 EASY
-
20
-
IN
OUT
S4 MODULE
Call button
Name plate
Call codes
The DT821 automatically assigns the call codes to the connected module’s
buttons. Regardless of the structure of the call button module, the button
numbers are
starting
from the bottom
9
. S4 Module
Connect to main
or last module
S4 Module
address settings
Connect to next
module
04
03
02
01
16
15
14
13
Call Code
Call Code
Call Code
DIP
DIP
DIP
08
07
06
05
20
19
18
17
12
11
10
09
24
23
22
21
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1234
1234
1234
1234
5
5
5
5
6
6
ON
ON
ON
ON
Summary of Contents for 2-wire Series
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