GE Corometrics 126

4-60 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Theory of Operation: UA/FECG Board
Table 4-23. MECG Board Connector J5
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 MECG1EN* MECG Mode Enable
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 +5VISOL +5 V Isolated Power Supply
16 No Connection —
Table 4-24. MECG Board Connector J6
PIN NUMBER SIGNAL NAME SIGNAL DESCRIPTION
1 MECG1 MECG Analog
2 50/60HZ MECG 50/60 Hz Filter Control Bit
3 +15V +15 V Supply
4 +15V +15 V Supply
5 –15V –15 V Supply
6 –15V –15 V Supply
7 AGND Analog Ground
8 AGND Analog Ground