Revision B 120 Series Maternal/Fetal Monitor 4-81
2015590-001
Theory of Operation: Isolated Power Supply Board
Table 4-29. Power Connector J2
Pin Number Signal Name Signal Description
1 +15VISO2 Isolated +15 Vdc (2)
2 +15VISO2 Isolated +15 Vdc (2)
3 ISOGND2 Return for Outputs (2)
4 ISOGND2 Return for Outputs (2)
5 –15VISO2 Isolated –15 Vdc (2)
6 –15VISO2 Isolated –15 Vdc (2)
7 No Connection —
8 No Connection —
9 +15VISO Isolated +15 Vdc (1)
10 +15VISO Isolated +15 Vdc (1)
11 ISOGND Return for Outputs (1)
12 ISOGND Return for Outputs (1)
13 –15VISO Isolated –15 Vdc (1)
14 –15VISO Isolated –15Vdc (1)
15 No Connection —
16 +15MSPO2 MSpO
2 +15 Vdc
17 No Connection —
18 GNDMSPO2 Return for Maternal SpO
2 ±15 Vdc
19 No Connection —
20 –15MSPO2 MSpO
2 –15 Vdc
21 No Connection —
22 No Connection —
23 GNDISOL Return for Isolated +5 Vdc
24 +5ISOL Isolated +5 Vdc
25 GNDISOL Return for Isolated +5 Vdc
26 +5VISOL Isolated +5 Vdc
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