32 columns 4 main calling station and 1 or 2 secondary for each column
LINE OUT
LINE IN
1
2
3
4
LINE
LINE IN
LINE OUT
column
2Voice
interface
power supply
ID = n
1
2
3
4
LINE
IN0 IN1 IN2 IN3
2Voice
power supply
TC
TC
ID = 0
ID = 1
ID = 2
Main
DS1083-029E
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secondary
ID = n
AUX dip 2 = 0
TC
IN0
2Voice
power supply
door unit
2Voice
interface
power supply
TC
TC
ID = 3
LINE OUT
LINE IN
secondary
ID = n+1
AUX dip 2 = 0
1
2
3
4
TC
LINE
IN0
LINE IN
LINE OUT
column
interface
ID = n+1
LINE OUT
LINE IN
1
2
3
4
LINE
LINE IN
LINE OUT
column
2Voice
interface
power supply
ID = n+2
secondary
ID = n+2
AUX dip 2 = 1
TC
IN1
TC
IN0
secondary
ID = n+2
AUX dip 2 = 0
7