RTS DSI 2008 Manuel D’Utilisation
13
Call Signal Connections for other 4-wire Communications Systems
4-wire Call Send and Call Enable/Inhibit
The DSI 2008 accepts a switch-contact input from the 4-wire system and then generates a call signal output to the 2-wire
system. The DSI 2008 also accepts an optional switch contact input to enable or inhibit call signaling between the 4-wire and
2-wire systems. Figure 6 shows the typical connections.
system. The DSI 2008 also accepts an optional switch contact input to enable or inhibit call signaling between the 4-wire and
2-wire systems. Figure 6 shows the typical connections.
GPI OUTPUT NUMBERS
a
a. Dependent on UIO-256 DIP Switch SW1 Settings for Input/Output Range as summarized in the UIO-256 manual.
RELAY CONTACT PIN NUMBERS
UIO-256
FRAME #1
UIO-256
FRAME #2
UIO-256
FRAME #3
UIO-256
FRAME #4
NORMAL
CLOSED
(NC)
CONTACT
COMMON
CONTACT
CONTACT
NORMAL
OPEN (NO)
CONTACT
1
17
33
49
38
13
40
2
18
34
50
39
14
15
3
19
35
51
41
16
43
4
20
36
52
42
17
18
5
21
37
53
44
19
46
6
22
38
51
45
20
21
7
23
39
55
41
22
49
8
24
40
56
48
23
24
9
25
41
57
26
1
28
10
26
42
58
27
2
3
11
27
43
59
29
4
31
12
28
44
60
30
5
6
13
29
45
61
32
7
34
14
30
46
62
33
8
9
15
31
47
63
35
10
37
16
32
48
64
36
11
12
FIGURE 6.
Typical call send and call enable/inhibit connections for a 4-wire intercom system.