System Description Party Line Telephone System PLTS
BCPT1010.SD.E2.doc, Version 1.0
BlueCom AG, 1.3.1999
8
3 Functional Description
3.1 Block Diagram
L M H
1-2
1-3
1-4
14
16
1
3
5
7
27
25
Output 1
Input 1
L M H
2-1
2-3
2-4
17
19
4
6
11
13
31
29
Output 2
Input 2
L M H
3-1
3-2
3-4
20
22
7
9
15
17
35
33
Output 3
Input 3
L M H
4-1
4-2
4-3
23
25
10
12
19
21
41
39
Output 4
Input 4
24V 48V
DC-
Supply
9
37
-30V
-15V
0V
LED GN
J3KA
X..
V9CT
3
4
1
2
7
8
5
6
11
12
9
10
15
16
13
14
-24/48V
0V
17
18
19
20
