GE Corometrics 126, Руководство по обслуживанию

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4-28 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Theory of Operation: DSP Board
25 AGND Output Analog Ground
26 GNDUS Output Analog Ground
27 –15V Output –15 V Supply
28 AGND Output Analog Ground
29 US2AUDIO Input Ultrasound CH2 Audio
30 No Connection — —
31 FMENVL2 Input Unused
32 FMD2 Input Fetal Movement Detection CH2
33 FMD1 Input Fetal Movement Detection CH1
34 FECG Input FECG Analog
35 FECG 80DB Input FECG 80 dB Analog
36 USTESTIN Input Test Input To A/D
37 US2 ENV Input Ultrasound Envelope CH2
38 FECGRAW Input FECG Raw Analog
39 US1 ENV Input Ultrasound Envelope CH1
40 AGND2 Output Analog Ground
41 No Connection — Isolation Barrier
42 No Connection — Isolation Barrier
43 No Connection — Isolation Barrier
44 No Connection — Isolation Barrier
45 No Connection — Isolation Barrier
46 No Connection — Isolation Barrier
47 GNDI Output Ground Input for Isolated Power Supply
48 GNDI Output Ground Input for Isolated Power Supply
49 +20I Output +20 Volts Input For Isolated Power Supply
50 +20I Output +20 Volts Input For Isolated Power Supply
51 GND Output Digital Ground
52 BD0 I/O Status/Control Bus Data Bit 0
53 BD1 I/O Status/Control Bus Data Bit 1
54 BD2 I/O Status/Control Bus Data Bit 2
Table 4-13. Front End Connector J1 (Continued)
Pin Number Signal Name
Signal Type
(Relative to Main
Motherboard
Signal Description