GE Corometrics 126

4-58 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Theory of Operation: UA/FECG Board
62 No Connection —
63 No Connection —
64 No Connection —
65 +5V +5 V Supply
66 +5V +5 V Supply
67 +5V +5 V Supply
68 +5V +5 V Supply
69 PACER* Pacemaker Detection Signal
70 No Connection —
71 No Connection —
72 No Connection —
73 +15V +15 V Supply
74 +15V +15 V Supply
75 AGND Analog Ground
76 +15US +15 V Supply
77 +15V +15 V Supply
78 AGND Analog Ground
79 No Connection —
80 +10REF +10 V Reference
81 AGND Analog Ground
82 AGND Analog Ground
83 No Connection —
84 MECG 60DB MECG 60 dB Analog
85 AIN1 Spare MUX Input Channel 1
86 AIN2 Spare MUX Input Channel 2
87 AIN3 Spare MUX Input Channel 3
88 AIN4 Spare MUX Input Channel 4
89 AIN5 Spare MUX Input Channel 5
90 AGND Analog Ground
91 No Connection —
92 No Connection —
Table 4-22. Front End Motherboard Connector J3 (Continued)
Pin Number Signal Name Signal Description