Chapter 1 - General Description
User Manual
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Operating Network Power Switch in Bypass mode
•
Insert the Hot swappable module into the Network Power Switch unit
•
Lock the sliding module for preventing its accidental opening.
•
Unlock the Manual Bypass Switch with the key provided
•
Connect the Load output to Network Power Switch by changing the switch position to Network Power
Switch output.
•
Depending on the priority switch, Load will get transferred to source-1, if the priority switch is on source1.
•
The Static Switch output position LED will glow
1.6 Potential free contacts
The Network Power Switch status can be checked with the 37 pin D-type connector, located on the rear end. This is a
potential free contact, and gives following indications as shown in Table 1-1 –
Table 1-1
19
18
37
36
35
17
Unsynch
19
34
16
15
14
33
S2 Feed
19
13
32
31
30
12
S2 Healthy
19
29
11
10
9
28
S1 Healthy
19
8
27
26
25
7
S1 Feed
19
24
6
5
4
23
Priority
19
21
3
2
1
20
Overload
Common
NO
NC
Common
NO
NC
Termination available of 37 pin D-type connector
Status
19
18
37
36
35
17
Unsynch
19
34
16
15
14
33
S2 Feed
19
13
32
31
30
12
S2 Healthy
19
29
11
10
9
28
S1 Healthy
19
8
27
26
25
7
S1 Feed
19
24
6
5
4
23
Priority
19
21
3
2
1
20
Overload
Common
NO
NC
Common
NO
NC
Termination available of 37 pin D-type connector
Status
The pin details for this connector is shown in fig 1.6
1
2
19
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
37
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
19
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
37
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Fig 1.6 – Pin details for 37 pin D-type Connector
Page 1-6
(03/04)
