GE Corometrics 126 - Page 425

Revision B 120 Series Maternal/Fetal Monitor C-17
2015590-001
Ultrasound
Audio Buffers
Mode DACs,
Heart Rate
DACs,
and
±10 V Refs
FMD1, FMD2, Markout
Control
Latch
Receive
Buffer
Buffer
Buffer
Telemetry
Input
Protection
Data Bus
Address/Control
To
Main Board
Address Decoder
and
Keyboard
Interface PAL
HP Level Control Decodes
To J102
BUSY/, INVLD/, RST
TMark,Telpr,enables
ECG,TOCO,US TMark,Telpr,enables
ECG,TOCO,US
To
Telemetry
IBF
KBDIN,MARK/,STB/
To
Keyboard
KB Data
Keyboard
Receive
Data Latch
COMMUNICATIONS BOARD
BLOCK DIAGRAM