4-68 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Theory of Operation: MECG Board
Table 4-25. FECG/UA Connector P5
Pin Number Signal Name Signal Description
1 +15VISOL +15 V Isolated Power Supply
2 –15VISOL –15 V Isolated Power Supply
3 AGND Analog Ground
4 PACEMAKER DET/ Pacemaker Detection Signal
5 LEADSOFF* Leads Off Detection Signal
6 SEL1 MECG Lead Select Bit 1
7 SEL2 MECG Lead Select Bit 2
8 PACEMAKER ON Pacemaker Enable Line
9 +15ISOL +15 V Isolated Power Supply
10 –15VISOL –15 V Isolated Power Supply
11 AGND Analog Ground
12 No Connection —
13 TEST PULSE MECG Test Waveform
14 BOARD INSTALLED* MECG Board Installed
15 No Connection —
16 No Connection —
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